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United Kingdom House of Lords Decisions
You are here: BAILII >> Databases >> United Kingdom House of Lords Decisions >> Ashworth Frazer Limited v. Gloucester City Council  UKHL 59 (8th November, 2001)
Cite as:  1 All ER 377,  1 WLR 2180,  UKHL 59,  05 EG 133,  L & TR 2,  46 EG 180,  1 EGLR 15,  46 EGCS 180,  WLR 2180
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Lord Bingham of Cornhill Lord Browne-Wilkinson Lord Hoffmann Lord Scott of Foscote Lord Rodger of Earlsferry
ASHWORTH FRAZER LIMITED
(ORIGINAL RESPONDENTS AND CROSS-APPELLANTS)
GLOUCESTER CITY COUNCIL
(ORIGINAL APPELLANTS AND CROSS RESPONDENTS)
ON 8 NOVEMBER 2001
 UKHL 59
LORD BINGHAM OF CORNHILL
1. There are before the House an appeal by the Gloucester City Council ("the landlord") and a cross-appeal by Ashworth Frazer Limited ("the tenant"). On the issues arising in both the appeal and the cross-appeal I am in complete agreement with the opinion of my noble and learned friend Lord Rodger of Earlsferry, whose account of the facts and background I gratefully adopt.
The landlord's appeal
2. The combined effect of clause 2(viii) of the lease and section 1 of the Landlord and Tenant Act 1988 is in my opinion clear. The tenant covenants not to assign the demised land or any part thereof (other than to a subsidiary of the tenant). But the covenant is not absolute. The tenant may assign with the previous consent in writing of the landlord. The landlord's consent is not to be unreasonably withheld in the case of a respectable and responsible assignee being proposed. Where the tenant makes written application for consent the landlord owes the tenant a duty within a reasonable time to give consent, or give consent subject to notified conditions, or refuse consent for notified reasons. If the reasonableness of any condition imposed by the landlord or the reasonableness of the landlord's withholding of consent is questioned, the landlord must show that the condition or the withholding was reasonable.
3. When a difference is to be resolved between landlord and tenant following the imposition of a condition (an event which need not be separately considered) or a withholding of consent, effect must be given to three overriding principles. The first, as expressed by Balcombe LJ in International Drilling Fluids Ltd v Louisville Investments (Uxbridge) Ltd  Ch 513 at 520 is that
The same principle was earlier expressed by Sargant LJ in Houlder Brothers & Co Ltd v Gibbs  Ch 575 at 587:
While difficult borderline questions are bound to arise, the principle to be applied is clear.
4. Secondly, in any case where the requirements of the first principle are met, the question whether the landlord's conduct was reasonable or unreasonable will be one of fact to be decided by the tribunal of fact. There are many reported cases. In some the landlord's withholding of consent has been held to be reasonable (as, for example, in Pimms Ltd v Tallow Chandlers Company  2 QB 547 and Bickel v Duke of Westminster  QB 517), in others unreasonable (as, for example, in Bates v Donaldson  2 QB 241, Houlder Brothers, above, and International Drilling, above). These cases are of illustrative value. But in each the decision rested on the facts of the particular case and care must be taken not to elevate a decision made on the facts of a particular case into a principle of law. The correct approach was very clearly laid down by Lord Denning MR in Bickel v Duke of Westminster, above, at p 524.
5. Thirdly, the landlord's obligation is to show that his conduct was reasonable, not that it was right or justifiable. As Danckwerts LJ held in Pimms Ltd v Tallow Chandlers Company, above, at p 564:
Subject always to the first principle outlined above, I would respectfully endorse the observation of Viscount Dunedin in Viscount Tredegar v Harwood  AC 72 at 78 that one "should read reasonableness in the general sense". There are few expressions more routinely used by British lawyers than "reasonable", and the expression should be given a broad, common sense meaning in this context as in others.
6. The Court of Appeal held itself to be precluded by Killick v Second Covent Garden Property Co Ltd  1 WLR 658 from holding on the facts of this case that the belief of the landlord, however reasonable, that the proposed assignee intended to use the demised premises for a purpose which would give rise to a breach of the user covenant was of itself a ground for withholding consent to assignment: see (1999) 80 P & CR 11 at 23, per Chadwick LJ. Lord Rodger has fully analysed that decision. I would myself criticise it on three grounds. First, it purported to treat as a question of law what was in truth a question of fact. Secondly, in holding that the landlord's withholding of consent was unreasonable because the outcome which he wished to avoid was not a necessary consequence of the assignment (which was, it seems clear, based on the landlord's contention: see pp 660, 661) the court accepted much too high a test. A reasonable landlord may seek to avoid not only an undesirable outcome which must occur but also one which he reasonably fears may well occur, not least where that involves the prospect of unwelcome litigation. Thirdly, the decision as expressed gave quite inadequate weight to the user covenant in a lease. The lease is, after all, the contract between landlord and tenant, a contract with special characteristics and subject to special rules but a contract all the same. It records what the parties respectively agree to do and not to do. Unless a term is discharged or consensually varied or revoked, a party is ordinarily bound by what he has agreed, even if (with the benefit of hindsight) he regrets his bargain. The contract is, as civil lawyers put it, the law between the parties, and it would rarely be right to hold that a landlord was unreasonable in withholding consent to an assignment which in his reasonable judgment would or might well lead to a breach of covenant. Killick should no longer be treated as authoritative.
7. The reasoning of the deputy judge was in my view correct on this issue. The Court of Appeal's decision was vitiated by its reliance on Killick. I would restore the decision of the judge.
The tenant's cross-appeal
8. The tenant's cross-appeal turns on a short question of construction: are the words "for uses within Use Classes III IV or X of the Town and Country (Use Classes) Order 1963" in clause 2(iii)(a) of the lease to be understood as restricting the uses to which the building development described by the clause might be put? On this question I have the misfortune to disagree with the majority of the House but the consolation of agreeing with the deputy judge, both members of the Court of Appeal and my noble and learned friend Lord Rodger.
9. By clause 2(iii)(a) the tenant covenants to commence and complete a building development. Such building development must among other things be "in conformity with all licences permissions and consents required by bye-laws regulations planning provisions orders and statutes and in conformity with detailed plans elevations sections and specifications as shall previously be approved by the City Architect." Since the landlord is the local planning authority, it thus has full control over the physical design, size, appearance, layout and location of the development. The use classes in the 1963 order do not describe buildings. They describe uses. There can have been no conceivable purpose in making reference to those use classes other than for the purpose of restricting the permitted user to those classes, expressed as they are in terms which will be as readily intelligible at the end of the lease as at the beginning. It is idle to speculate what use might be made of buildings other than those comprised in the development to which clause 2 (iii)(a) applies in the absence of evidence to suggest that the site will accommodate any significant buildings once the building development described in clause 2(iii)(a) has been completed. The inclusion and terms of clause 2(vi) have been fully explained by the landlord's earlier grant of leases to tenants carrying on the miscellaneous activities there specified and its desire to protect those tenants against competition. Clause 2(xiii) does not in my opinion throw light on the construction of clause 2(iii)(a). If the reference to the use classes in clause 2(iii)(a) does not apply to the user of the building development it is entirely otiose.
10. I would for my part dismiss the tenant's cross-appeal.
11. For the reasons given in the speeches to be delivered by my noble and learned friends, Lord Hoffmann and Lord Scott of Foscote that the cross-appeal should be allowed.
12. As to the appeal, I agree with the speeches of all your Lordships that if, contrary to my view, clause 2(iii)(a) of the lease contains a restriction on user, the city council would not necessarily have acted unreasonably in refusing their consent to a proposed assignment on the grounds that the assignee proposed to commit a breach of such restriction.
13. There are two issues in this appeal. The first is whether the use of the premises for metal recycling would be a breach of covenant. The second question is whether a refusal of consent on that ground would be unreasonable.
14. Since the first question turns entirely upon the construction of the language of the lease and raises no question of general public importance, I can be brief in my reasons. I gratefully adopt the recital of the facts and relevant provisions of the lease set out in the speech of my noble and learned friend Lord Rodger of Earlsferry.
15. The provision relied upon as prohibiting the intended use is a phrase in clause 2(iii)(a):
16. The landlord contends that the words "a building development for uses within Use Classes III IV or X" means not, or not only, that the building must be suitable for such uses but that during the term of the lease it may be used only for such uses. But I find it impossible to construe clause 2(iii)(a) as having any application to the use which may be made of the premises. The purpose of the whole of clause 2(iii) is to describe what the tenant has positively covenanted to do. Sub-paragraph (a) describes the buildings he is to erect, (b) the road and cattle grid he is to build, (c) the materials he is to use (d) the use to be made of the earth, clay, gravel and sand displaced by the construction, (e) the disposal of antiquities he may find and (f) the fences to be built and maintained. The subject matter of the whole clause is altogether different from restrictions on the use of the premises. They are contained in clauses 2(v)(vi) and (xi).
17. The argument that a restriction on user has been embedded in the description of the premises to be constructed is based upon the argument that the lease is badly drafted. But that seems to me to beg the question. It is only badly drafted if one assumes that clause 2(iii)(a) was intended to restrict the use of the premises. To slip a rather ambiguous user clause into the middle of a description of the buildings would indeed be poor drafting. On the other hand, if one assumes that the parties intended in orthodox fashion to describe the buildings to be erected in one clause and the restrictions on the use of the premises in another, there is nothing particularly bad about the drafting. Clause 2(iii)(a) may be somewhat prolix or even contain redundant material. But few leases could escape that reproach.
18. The argument from redundancy is that since clause 2(iii)(a) provides that the plans for the buildings must have been approved by the city architect, there was no reason why it should go on to stipulate that they should be suitable for any particular use. The city architect would in any case have had full control over the kind of buildings which could be erected.
19. Even if this were true, I would be more inclined to accept some degree of redundancy rather than assume that the draftsman had muddled up the question of what the tenant had to build within 5 years (which was part of the consideration for the lease) with the question of what use could be made of the premises during its 114 year term. But I am far from satisfied that it is true. We have very little evidence of the factual background against which the lease was executed. The parties may already have had some mutual understanding about the buildings to be erected but we have no idea of how far this had gone. The city architect could not unreasonably withhold approval of the plans. Perhaps the reference to the Use Classes was intended to pre-empt argument over whether it would be reasonable to object to buildings which were not suitable for those uses. These matters are entirely speculative. So I do not think that the argument from redundancy has enough weight to displace an interpretation based on the conventional structure of the clauses.
20. There are other factors which point against 2(iii)(a) containing a user clause. First, it is common ground that it would apply only to the buildings erected pursuant to the covenant. But those buildings did not cover the entire 14.5 acre site. There was room for new ones and no covenant against new buildings. What would be the commercial purpose of prohibiting a use of the old buildings when a new one erected on vacant land could be used for that purpose? Secondly, it seems odd to define permissible user in a 114 year lease by reference to Use Classes in a 1963 statutory instrument. Such a description of the buildings makes perfectly good sense in a covenant which was intended to be spent within 5 years. But was it contemplated that the parties in 2080 would have to research mid-twentieth century planning law to discover the permissible user? Although it is fair to say that this might be necessary if the premises had to be reinstated after a fire under clause 2(xiii).) Thirdly, the covenant is absolute. The landlord is under no obligation to consent to a change, whether this would be reasonable or not. The tenant's only escape is through the very limited jurisdiction of the court to vary such covenants under section 84 of the Law of Property Act 1925. Would the parties have been likely to intend such restrictions to endure for over a century? Fourthly, the landlord was the planning authority. In that capacity, it could prevent any use which was undesirable on planning grounds. This control was supplemented by clause 2(vi), which contained prohibitions to protect existing tenants against competition, which could probably not have been justified on planning grounds. In combination, planning control and clause 2(vi) constitute a rational system for controlling the use of the premises.
21. For these reasons I would allow the tenant's cross-appeal. I also agree that the appeal should be allowed for the reasons given in the opinions of my noble learned friends Lord Bingham of Cornhill and Lord Rodger of Earlsferry.
LORD SCOTT OF FOSCOTE
22. I have had the advantage of reading in draft the opinion of my noble and learned friend, Lord Rodger of Earlsferry and gratefully adopt his recital of the relevant facts. As is made plain in his opinion there are two issues which arise on this appeal. One is a short issue of construction of one of the lessee's covenants in the lease dated 28 April 1969 under which Gloucester City Council demised a site consisting of 14.5 acres of industrial development land to a developer for a term of 114 years from 25 December 1968. Clause 2(iii)(a) of the lease is expressed as a positive covenant requiring the lessee within five years to commence and complete the development of the site by erecting industrial buildings in conformity with plans to be approved by the city architect. The sub-clause describes the required development as "a building development for uses within Use Classes III IV or X of the Town and Country (Use Classes) Order 1963 . . . ". Class III in the 1963 Order was "use as a light industrial building . . . ", Class IV was "use as a general industrial building" and Class X was "use as a wholesale warehouse or repository". The issue of construction is whether clause 2(iii)(a), although in form a positive covenant requiring the lessee to construct a particular type of building development, contains also, by implication, a negative covenant by the lessee not to use the buildings for any use other than a use falling within one or other of the three specified Use Classes. At first instance the deputy judge, Mr Donaldson QC and, on appeal, the Court of Appeal decided that clause 2(iii)(a) did impose this negative user covenant. Had that been the only issue in the case I am sure that leave to appeal to this House would not have been granted. But the second issue raises an important point of general principle.
23. In Killick v Second Covent Garden Property Co Ltd  1 WLR 658, the Court of Appeal agreed that "a landlord may reasonably refuse consent to an assignment if the assignment would necessarily involve a breach of covenant" (Stamp LJ at p 661) but did not agree that, if the proposed assignment went ahead, "there would as a necessary consequence be a breach of the user covenant" and held that, in the circumstances, the landlord had unreasonably withheld consent to the assignment.
24. In the Court of Appeal in the present case Chadwick LJ said, (1999) 80 P&CR 11, 23:
25. The second issue, therefore, is whether, if that is indeed what Killick decided, Killick was rightly decided and, if it was not, whether the council had unreasonably refused its consent to the proposed assignment by Ashworth Frazer Ltd to Mountstar Metal Corporation Ltd. It was this issue that led to leave to appeal to this House being granted.
The second issue
26. On this issue I am in respectful and complete agreement with what Lord Rodger has said in paragraphs 29 to 43 of his opinion. I concur in his conclusions, expressed in paragraph 41, and in his reasons for reaching them. I agree also with the reasons given by my noble and learned friend, Lord Bingham of Cornhill, for reaching the same conclusions. Those conclusions would lead to this appeal being allowed if, but not unless, the first issue, the issue of construction, had been correctly decided in the council's favour. To that issue I now turn.
The construction issue
27. The issue is a short one. It does not involve any point of principle and is not assisted by reference to any authorities. The lease was a building development lease for a term of 114 years. It was a lease which, over the first five years, was going to involve the lessee in the expenditure of a considerable capital sum in carrying out the proposed development. The rent for the first 7 years of the term was nil, a peppercorn; for the period from 1970 to 1989 the yearly rent was £9,425 and thereafter it was to be either the £9, 425 or 8 per cent of the rackrents receivable by the lessee from the developed site, whichever were higher. The relevance of these rental provisions is that they demonstrate that both parties had a commercial interest in the lessee being able to develop the site and sub-let, or assign, the developed plots to the best financial advantage. User restrictions would naturally be important in that they would restrict the types of business that could be carried on on the various plots forming part of the development.
28. It is obvious, and hardly worth saying, that the ability of the lessee to exploit the developed site, or of any sub-lessee or assignee to exploit any of the individual plots, to its best commercial advantage would depend not only on the user covenants in the lease but also on the user permitted under the applicable planning law. It is very usual to find in a lease a tenant's covenant not to use the property in a manner in breach of planning law. In a development lease granted by a private lessor it would be very surprising not to find such a covenant. In this lease, however, there is no such covenant. But this is not surprising. The council, the lessor, was the planning authority. It was able, wearing its planning authority hat, to exercise control over the use to which the various plots on the site could be put. In clause 2(vi), the lease imposed specific user restraints on the lessee. These restraints had nothing to do with planning law but were imposed in order, it seems fairly clear, to protect from competition existing businesses located in the vicinity of the 14.5 acres. In my opinion, a development lessee, taking a 114 year lease in the form of the lease with which your Lordships are concerned, would be entitled to suppose that, provided the user restrictions in clause 2(vi) were observed, the industrial buildings he erected could be used for any use from time to time permitted under the planning law.
29. It is argued that unless the reference in clause 2(iii)(a) is construed so as to impose a negative user covenant, additional to that in clause 2(vi) and restricting the permitted user to user within Use Classes III IV or X, no sensible purpose could be attributed to the reference in the sub-clause to those Use Classes. I am in respectful disagreement both with the premise to this argument and with the conclusion. The Use Classes describe the type of building development that the lessee is to commence and complete within the 5 years. The requirement that the city architect's approval to the lessee's building plans is not to be unreasonably withheld is thereby given a degree of definition that would otherwise be lacking. His refusal to approve plans that did not relate to a development consistent with those uses could not be challenged on unreasonableness grounds. If the references to the three Use Classes had not been included the lessee might have proposed a more profitable development involving uses outside the three Use Classes and then sought to categorise as unreasonable the city architect's refusal to approve the plans. So there is, in my opinion, no cogency in the premise that there was no sensible commercial purpose in the reference to the three Use Classes other than the imposition of an unexpressed negative user covenant. But even if, contrary to my view, the premise had been sound, the conclusion that a negative user covenant should be implied does not, in my opinion, follow. The implied negative covenant is not necessary to give business efficacy to the sub-clause. If the sub-clause is accorded its literal meaning and read simply as a positive covenant to build, it lacks nothing in efficacy. Nor is the proposed implied term one that can be justified by the "Oh of course the parties must have intended it" test. I would, for my part, find it easier to give an "Oh of course" answer if asked whether the parties intended the user restrictions to be confined to those found in sub-clause (vi).
30. In my opinion, however, the strongest argument against the proposed implied term is that to imply into the lease an unexpressed user covenant would be thoroughly unfair to Ashworth Frazer Ltd, the assignee of a part of the developed site, who can reasonably have supposed that the sub-clauses in clause 2 meant what they said, that the building obligations in sub-clause (iii) were spent (unless re-building after a fire became necessary) and that the user restrictions were to be found in sub-clause (vi). If the council wanted additional contractual user restrictions to bolster the planning control that they could anyway exercise they should, in my opinion, have included the restrictions in their lease. They did not do so expressly and, in my opinion, cannot cure their failure by contending for an implied user restriction.
31. In my opinion, for the reasons I have given, the user proposed by Mountstar would not have been in breach of any covenant contained in the lease. Nor would it have been in breach of the planning law. Whether in the circumstances the council's refusal of leave to assign was unreasonable or whether the council can excuse their refusal on the ground that they were proceeding on a genuine and reasonable, although mistaken, view as to the effect of clause 2(iii)(a) is an issue of fact which has yet to be decided.
32. I would allow the council's appeal on the Killick point, allow Ashworth Frazer Ltd's cross-appeal on the construction point and set aside the declarations made by the first instance judge and by the Court of Appeal. I would make a declaration that clause 2(iii)(a) of the lease does not constitute a covenant by the lessee not to use the premises for any use other than those set out in Class III IV and X of the 1963 Order and remit to the Chancery Division the question whether in all the circumstances the council's refusal to consent to the assignment to Mountstar was unreasonable and, if so, what, if any consequences as to damages should follow.
LORD RODGER OF EARLSFERRY
33. By a lease dated 28 April 1969 the Mayor, Aldermen and Citizens of the City of Gloucester, the predecessors of the appellants, Gloucester City Council ("the council"), demised to Mackenzie Hill Ltd 14.5 acres of land at the Cattle Market, St Oswald's Road, Gloucester. The lease was to run for 114 years from 25 December 1968. No premium was payable and until 28 April 1970 the lessee was to pay only a peppercorn rent. From then until 25 December 1989 the lessee was to pay a yearly rent of £9,425, after which the rent was to be determined in accordance with the rent review provisions in clause 4. As the absence of a premium and the low level of the initial rent suggest, the lease was a development lease under which, in terms of sub-clause 2(iii)(a), the lessee required to begin erecting a building development on the demised land within a year and to complete the development within five years. Although it was apparently envisaged that the lessee would sublet the development to various subtenants, this did not happen. Rather, the development was severed. In particular, in 1973 Mackenzie Hill Ltd transferred 0.45 hectares of the property in the lease ("the premises") to Kentron Plastics Ltd. Part of the premises is occupied by a building erected in terms of the lessee's obligation under sub-clause 2(iii)(a). On 24 March 1993 Kentron Plastics transferred the premises to Ashworth Frazer Ltd ("the respondents").
34. By clause 2(viii) the lessee covenants with the council
35. At some time before November 1996 Mountstar Metal Corporation Ltd ("Mountstar"), who were not, of course, tenants under the lease, applied to the council as planning authority for planning permission to use the premises, described as "the former Kentron Plastics site", for metal recycling. The council refused that application in November 1996 but on 26 February 1997 Mountstar submitted an amended application and on 13 May 1997 the council granted planning permission for the "use of land and building for metal recycling and erection of boundary fencing and storage bay enclosures". To judge from the correspondence between Mountstar's agents and the planning department, while the two applications were being considered, the council's planning officials, at least, must have been given a considerable amount of information about Mountstar's proposed operations on the premises.
36. Two months later, on 16 July 1997, solicitors acting on behalf of the respondents, as lessee, wrote to the council saying:
Counsel referred to only one other letter dealing with the matter at this time. It is from Mr David Hook, the council's senior surveyor and valuer, to the solicitors and is dated 16 September 1997. Mr Hook refers to a previous letter dated 12 September and continues:
In the present proceedings against the council the respondents seek a declaration that the council are not entitled to refuse their consent to the assignment, a second declaration that the respondents are entitled to assign the lease to Mountstar without the further consent of the council and damages. It is agreed that Mountstar are a respectable and responsible company.
37. Before this House and the Court of Appeal there were two main issues in dispute between the parties. As Mr Hook made clear in his letter, the council refused to approve the respondents' application for consent to assign the lease of the premises to Mountstar because they considered that Mountstar's proposed use was "contrary to the existing User Clause". It is common ground that Mr Hook was referring to sub-clause 2(iii)(a):
The council contend that this covenant includes a negative covenant that the buildings erected in terms of this obligation will not be used for uses falling outside Use Classes III, IV or X of the Town and Country Planning (Use Classes) Order 1963. For their part the respondents submit that the sub-clause simply imposes an obligation to erect buildings of a certain kind and contains no negative covenant restricting their use. The only restrictions on use, they contend, are to be found in clause 2(v) and (vi). On the basis of their own preferred interpretation of sub-clause 2(iii)(a), however, the council refused consent to the respondents' application to assign the lease to Mountstar because they considered that Mountstar's proposed use of the premises for recycling scrap metal was not one of the uses permitted under sub-clause 2(iii)(a) and so would be in breach of the covenant in that sub-clause. The respondents contend that, in terms of clause 2(viii), it was unreasonable of the council to withhold consent on this ground alone.
38. Mr David Donaldson QC, sitting as a deputy judge, found in favour of the council on the interpretation of the covenant in sub-clause 2(iii)(a). He also made a declaration that, even if the user proposed by Mountstar would constitute a breach of the lease, that does not of itself render unreasonable the council's objection to the proposed assignment to Mountstar. The respondents appealed and the decision of the Court of Appeal is reported as Ashworth Frazer Ltd v Gloucester City Council (2000) 80 P & CR 11. The Court of Appeal (Waller and Chadwick LJJ) agreed with the deputy judge on the interpretation point and therefore left undisturbed his first declaration that the only uses permitted by the lease are those set out in the relevant Use Classes and subject to the user restrictions in clause 2(vi). As Chadwick LJ noted at pp 24 - 25, the particular point on which the deputy judge had focused in the second of his declarations was not argued before the Court of Appeal where the contention for the respondents was simply that, if the only objection to the use proposed by Mountstar is that it would, or might, be a breach of the lease, it is unreasonable for the council to refuse consent to an assignment to Mountstar on that ground alone. In those circumstances, since it had not been challenged, the Court of Appeal were content to leave the deputy judge's second declaration standing. But on the consent point, as argued before them, the Court of Appeal held in favour of the respondents. They therefore allowed the appeal and added a third declaration to the effect that, if the only objection to the use proposed by the prospective assignee is that it would, or might, be a breach of the lease, it is unreasonable for the landlord to refuse consent to an assignment on that ground alone. The council have appealed against the order of the Court of Appeal in respect of this third declaration while the respondents have cross-appealed in respect of the deputy judge's first declaration which the Court of Appeal left undisturbed. The point in the second of the deputy judge's declarations was not reopened before this House.
39. The council accept that, if the respondents succeed in their cross-appeal, the council will have to give consent to the assignment since the only ground on which they refused consent was that the proposed use would be in breach of sub-clause 2(iii)(a). On the other hand Mr Pymont emphasised that this concession did not imply any further concession that, in refusing consent on the basis of their interpretation of the sub-clause, the council had acted unreasonably for the purposes of the respondents' claim for damages for breach of duty under section 4 of the Landlord and Tenant Act 1988.
40. I turn to the point of interpretation raised in the cross-appeal since, logically, it arises first.
Interpretation of Sub-Clause 2(iii)(a)
41. No-one could pretend that the lease is well drafted. It comes as no surprise to find that the rent review clause was indeed the subject of earlier proceedings between the same parties in the Court of Appeal and that the judges were divided as to the proper interpretation: Ashworth Frazer Ltd v Gloucester City Council (1997) 26 EG 150. History repeats itself, for it is my misfortune to find that I indeed differ from the majority of your Lordships as to the interpretation of the terms now in question. Because of the drafting, there is a risk that, whatever interpretation is adopted of a particular provision, there may be unsatisfactory aspects when the terms of the lease as a whole are considered. I therefore prefer to begin by concentrating on the terms of sub-clause 2(iii)(a) before considering how the sub-clause fits into the overall scheme of the lease.
42. Sub-clause 2(iii)(a) embodies what is perhaps the principal obligation of the lessee, to complete within five years "the erection on the demised land fit for immediate occupation and use a building development for uses within Use Classes III IV or X together with all necessary roads amenity areas cattle grids fences drains and sewers ". If stripped down in this way the covenant is remarkably vague since it does not spell out the scale of the building development. It does not specify, for instance, how many buildings are to be constructed or how they are to be laid out on the demised land. But, of course - even though there is no evidence on the point - it can safely be said that the developers could hardly have entered into the lease unless these matters had been explored with the council so that the developers knew what their financial and other obligations under the lease would be. The sub-clause contains provisions which would in practice have resulted in these matters being clarified. First, it envisages that the development will be "in conformity with all licences permissions and consents required by bye-laws regulations planning provisions orders and statutes". In other words it must comply with all the public law requirements that apply to it. Since the council were also the local planning authority, they would be responsible, with that hat, for considering any planning applications relating to the development. And, obviously, the finalised detailed planning consent would deal with various aspects not only of the siting of the buildings making up the development but also of the design, including the height and appearance, of those buildings. The sub-clause next envisages that the development will be built to detailed plans approved by the city architect. And again that provision would mean that, through their architect, the council would have control over the design, including the detailed design, of the buildings to be erected. Taken together, these provisions would in my view constitute a more than sufficient mechanism for specifying the form of the building development that was to be erected.
43. The contention for the respondents is, however, that when the parties agreed that the development was to be fit for immediate occupation and use "for uses within Use Classes III IV or X of the Town and Country (Use Classes) Order 1963" they were simply concerned to give some (further) indication of the type of building to be erected, rather than to specify the uses to which the buildings were to be put after completion. In other words the parties were doing no more than agreeing that the buildings comprising the development were to be of a form that would be suitable for the uses permitted under those Use Classes. So, once the buildings were up, any lessee or sublessee could immediately proceed to use them for any purpose whatever, provided only that they could obtain the necessary planning and other consents.
44. Confining myself, for the moment, to the terms of sub-clause (iii)(a), in agreement with the deputy judge and the Court of Appeal, I find the respondents' construction unpersuasive. The covenant is concerned with the development as a whole: the lessee's obligation is to complete a building development which will be fit for immediate occupation and use for the uses in the relevant Use Classes. Given the provisions which the covenant already contains about planning permission and the city architect's consent, it is hard to see why the parties should have considered it necessary to insert yet another provision dealing with the design of the buildings. But, even supposing that they had wished to do so, a requirement that the development was to be fit "for uses" in these Use Classes would add nothing, so far as design was concerned, to the immediately preceding provisions in the same sub-clause. At best, therefore, it would be superfluous. This is only to be expected because, under the planning system, Use Classes are concerned with the use, not with the form of buildings. Their whole purpose is indeed to describe a range within which the use of premises can be changed without the need to make a fresh application for planning permission. The descriptions are couched accordingly. In the 1963 Order Class III was "use as a light industrial building for any purpose", Class IV "use as a general industrial building for any purpose" and Class X "use as a wholesale warehouse or repository for any purpose". Under the lease these broad descriptions would indicate satisfactorily the uses to which the buildings in the development were to be put. But in themselves they would tell the parties nothing about the form of the buildings to be erected and certainly nothing that would add to what would be specified by the council planning officials and the city architect. The respondents' construction therefore robs the words in question of all real practical effect. For that very reason I regard it as unsatisfactory.
45. Looking at the covenant in sub-clause 2(iii)(a) in isolation, therefore, I prefer what I regard as, in any event, the more natural construction of the wording. On that approach the words "fit for immediate occupation and use for uses within Use Classes III IV or X" are intended to set out the uses to which the building development - which is ex hypothesi designed to meet the council's planning requirements and based on plans approved by the city architect - is to be put. The buildings can be used for light industry or general industry or as warehouses or repositories - and, therefore, for no other purpose. While Mr Pymont did not argue that the words in sub-clause (iii)(a) imposed a positive covenant on the lessee to occupy the buildings for the specified uses, he did submit that the covenant against other uses was an express covenant. In my view, however, any covenant against other uses must be derived by implication from the positive specification of the uses for which the development is to be fit.
46. So far I have proceeded simply on the basis of the words in sub-clause 2(iii)(a). But the sub-clause has, of course, to be considered within the wider context of the lease as a whole. As Mr Lewison QC emphasised, sub-clause (iii)(a) is found in that part of clause 2 which is concerned with the lessee's obligations in relation to the erection of the building development "together with all necessary roads amenity areas cattle grids fences drains and sewers" - taken together, they are called "the works". The remaining sub-clauses of clause 2(iii) all deal with matters, of a somewhat physical nature, which may arise while the works are being carried out within the five-year period allowed for their completion. The only exception is the obligation in sub-clause (f) "as soon as practicable to erect construct and thereafter maintain on the boundaries of the demised land good and sufficient stock proof fences in all respects to the reasonable satisfaction of the city architect" where the obligation to "maintain" the fences would continue beyond the five year period. Even allowing for that limited exception, clause 2(iii) as a whole is concerned with the lessee's obligations to carry out the development within the five-year period.
47. If the developers completed the development within five years by constructing the various buildings as specified in the planning and other consents and in the plans approved by the city architect, then they would have complied with the covenant in sub-clause 2(iii)(a). It is apparent, however, that the parties recognised that buildings other than those to be built under sub-clause 2(iii)(a) might be erected on the demised land. This emerges, for instance, from clause 2(ix) with its obligation to repair and keep in good tenantable repair "the demised land and every part thereof and all additions thereto and all other buildings now or hereafter to be erected thereon" (emphasis added), as well as from the differing words to the same effect to be found in clause 2(x), (xi) and (xii). Similarly, by clause 2(xiii) the lessee undertakes inter alia
48. Although it is impossible on the evidence to tell what scope there would actually have been for further building, the fact that the parties specifically envisage that the lessee may erect other buildings at some future date has two related consequences for the construction of the lease. First, since those other buildings will not be erected in terms of the lessee's obligation under sub-clause 2(iii)(a), the provisions of that sub-clause will not apply to them. As Mr Pymont accepted, this means that, even on his construction, the lessee may erect buildings on the demised land that will not be subject to any user restriction contained in sub-clause (iii)(a). Secondly and conversely, the covenants of general application in the other sub-clauses of clause 2 will apply not only to the buildings erected under sub-clause 2(iii)(a) but to any other building that the lessee may put up on the demised land. Indeed, clause 2(v), for instance, has an even wider effect since the lessee's obligation not to create or permit a nuisance must apply to things done anywhere on the demised land and not simply to operations carried out in any buildings erected on it.
49. Among the covenants which apply to all buildings, whether forming part of the original development or built later, is clause 2(xiii) which deals with the situation where a building is burned down or damaged by fire. It is to be rebuilt and reinstated under the surveillance of the city architect and "in all respects in accordance with the provisions of clause 2(iii) of this Lease as if those requirements had mutatis mutandis been herein repeated in full". While it is difficult to work out precisely what the parties intended should happen in some situations, it seems clear that, in the case of a building which had been constructed as part of the original development, it would have to be rebuilt so as to be fit for immediate occupation and use for uses within the Use Classes specified in sub-clause (iii)(a). Like the Court of Appeal, I find it hard to see why that obligation should have been imposed on the lessee if, before the fire, the building could have been used for any purpose whatever. While I would not attach great weight to it, that consideration tends to confirm the interpretation of sub-clause (iii)(a) which I prefer.
50. Mr Lewison argued, however, that this interpretation was incompatible with the overall structure of the lease. His first and more general submission was that you would not expect to find a continuing restriction on the use of the premises in sub-clause 2(iii)(a) which deals with the lessee's obligation to build and complete the development within five years. As a general observation that may well be true. But, in any given case, the content of the obligations to be found in any part of a lease depends on what the draftsman has provided. In this case it depends on the wording of sub-clause 2(iii)(a). For the reasons that I have given, I consider that, despite its position, the wording of that provision is apt to impose a continuing restriction on the use of the premises.
51. Mr Lewison went on to reinforce his general submission by pointing out that the lease does in fact contain express provisions which impose restrictions on the use of the premises. These are to be found in clause 2(v) and (vi):
He argued that these provisions constituted the only restrictions on the permissible use of the premises and that, where the parties had dealt with the matter expressly, a court should be slow to read an implied use restriction into sub-clause 2(iii)(a), especially when the lease made perfectly good business sense without it. In particular, it seemed unlikely that, when drawing up a lease to run for 114 years, the parties would have wanted to limit the possible use of the premises by reference to Use Classes which might have been appropriate in planning terms in 1969 but which, as the city developed and commerce changed, would almost inevitably become outmoded long before the lease expired.
52. The argument - that the parties would have been unlikely to include a negative user covenant in sub-clause (iii)(a), when they had inserted specific provisions restricting use in clause 2(vi) - would obviously be extremely powerful if the only buildings to which clause 2(vi) could apply were buildings erected under sub-clause (iii)(a). The argument appears to me to lose all or much of its force, however, once it is realised that the restrictions in clause 2(vi) apply more widely. There is nothing particularly surprising in the idea that the parties may have agreed a special restriction on the use of the buildings comprising the original development. The purpose may have been, for instance, to encourage the growth of industry as the core of the development. However that may be, a special restriction of this kind is quite consistent with the imposition of other restrictions that will apply to all the buildings erected on the demised land - whether comprising the original development or not. In these circumstances I do not regard the existence of the non-user provisions in clause 2(vi) as a reason in itself to conclude that no restriction on the use of premises would be found in sub-clause 2(iii)(a).
53. I therefore find nothing in the mere existence of the use restriction in clause 2(vi) which would affect my interpretation of sub-clause 2(iii)(a).
54. The respondents go further, however. They draw attention not merely to the existence of clause 2(vi) but to the express provisions which it contains. It spells out what appear to be a ragbag of uses to which the demised land is not to be put. These include use as a café, restaurant or public house and use for the storage of meat "except as a small part of a cash and carry or wholesale grocers". The argument is that use as a café or restaurant, for instance, would in any event fall outside the scope of Use Classes III, IV or X and so there would have been no need to exclude those uses specifically in clause 2(vi) if sub-clause (iii)(a) had been intended to prevent the buildings being used for any purpose outside those Use Classes. The respondents back this argument up with a slightly different point. Use as a cash and carry, it is said, would not have fallen within any of the relevant Use Classes (LTSS Print and Supply Services Ltd v Hackney London Borough Council  QB 663) and so would not have been permissible if sub-clause (iii)(a) contained a restriction. Therefore, since clause 2(vi) envisages that premises could be used for storing meat as a small part of a cash and carry or wholesale grocers, the parties cannot have intended, by referring to the Use Classes in sub-clause (iii)(a), to prevent the buildings being used as a cash and carry or wholesale grocers. It follows, so runs the argument, that sub-clause (iii)(a) contains no bar on the use of the buildings for a purpose that would fall outside the relevant Use Classes.
55. It may well be, as the council submit, that the somewhat eclectic list of forbidden uses in clause 2(vi) is to be explained by a desire on the part of the council to give a measure of protection to other traders who had already leased premises from the council on land bordering the development. I am also prepared to assume, without deciding and without examining the LTSS case, that use as a cash and carry would not have been use in accordance with any of the relevant Use Classes.
56. Whatever the precise position may be on these matters, the important point remains that clause 2(vi) applies not simply to the original development under sub-clause 2(iii)(a) but to the demised land as a whole. In other words clause 2(vi) applies to any buildings or structures erected during the currency of the lease. The sphere of application of the two provisions is therefore different, with clause 2(vi) being wider. That being so, it is scarcely surprising to find that clause 2(vi) bans various uses which would not have been permitted under any of the relevant Use Classes and which would therefore not have been permitted under sub-clause (iii)(a). The overlap to which the respondents point is not an indication of inconsistency between the two provisions. Nor does it show that sub-clause (iii)(a) contains no restriction on the use of the original development.
57. The respondents' cash and carry argument is also unconvincing. Clause 2(vi) applies inter alia to buildings which are not subject to the restrictions in sub-clause 2(iii)(a). So, other things being equal, those buildings could be used as a cash and carry or wholesale grocers. An exception in clause 2(vi), allowing meat storage as a small part of a cash and carry or wholesale grocers, is therefore not inconsistent with the existence of a use restriction in sub-clause (iii)(a) applying to the original development.
58. In these circumstances I find nothing in the specific terms of clause 2(vi) that is incompatible with the interpretation of sub-clause (iii)(a) which I prefer.
59. Finally, as I have noted, the respondents argued that the restriction on the use of the buildings in the development to uses in accordance with the particular Use Classes would make little sense in a lease of this length. In the absence of evidence it is dangerous to travel beyond the agreed terms and to speculate as to the intentions of those who entered into this lease more than thirty years ago and as to what would have seemed sensible to them at that time. But I have already suggested that the landlord may have wanted to encourage industry in this area of Gloucester. If so, that would not be an outlandish aim, even in the long term, for a landlord which was also the local council. The respondents argued that, if the council had wished to restrict the use of the premises in this or any other way, they could have done so without having a restriction in the lease since they could have taken appropriate steps in their role as the local planning authority. But that argument proves too much. It would, after all, apply equally - or a fortiori - to the respondents' preferred construction of the relevant words in sub-clause (iii)(a) as dealing simply with the form of the development: that matter also could be dealt with by the council as planning authority when giving the permissions that are specifically mentioned in the sub-clause.
60. For all these reasons I agree with the interpretation of sub-clause 2(iii)(a) favoured by the Court of Appeal. I would therefore dismiss the cross-appeal. In that situation it is necessary to consider the council's appeal against the Court of Appeal's declaration that it was unreasonable of them to refuse consent to the respondents' application to assign the lease to Mountstar.
Did the Council Withhold Consent Unreasonably?
61. The covenant in clause 2(viii), providing that the demised land is not to be assigned without the previous consent of the council, "such consent not to be unreasonably withheld in the case of a respectable and responsible assignee", is of a familiar kind. Its purpose is well settled. In Bates v Donaldson  2 QB 241 A L Smith LJ rejected any suggestion that a similar clause had been inserted so as to allow the landlord to regain possession of the premises before the expiry of the lease. He went on, at p 247:
The clause must be interpreted and applied so as to give effect to this purpose. It is equally well settled that, under such a clause,
62. Here the council's refusal of consent relates to the likely use of the premises for a purpose which they consider to be in breach of the non-user covenant in sub-clause 2(iii)(a). The respondents contend that, even so, consent is "unreasonably withheld" in terms of the clause if it is withheld simply because the prospective assignee is likely to wish to use the premises for a purpose that the landlord considers would be in breach of one of the terms of the lease. Mr Lewison outlined the situation in the present case in this way. Mountstar considered that sub-clause 2(iii)(a) did not restrict the use of the premises. If Mountstar were right on that point, then the council accepted that they would have to give consent to the assignment. But even if Mountstar were wrong on that point, there would be an issue as to whether the proposed use was indeed in contravention of the restriction in sub-clause (iii)(a). Finally, if the proposed use did indeed fall foul of the restriction, then an application might be made to the Lands Tribunal to vary the terms of the covenant. All these were legitimate points for Mountstar to take and there was no question of them acting unlawfully in breach of the covenant. In that situation it was unreasonable for the council to withhold consent to the proposed assignment to them.
63. While counsel was, rightly, at pains to place the legal issue within the proper factual context, the respondents' submission does not depend on the facts of the case. Their fundamental contention is that, as a matter of law, the words "unreasonably withheld" in the sub-clause must be interpreted as meaning that the council cannot withhold consent simply on the ground that the prospective assignee is unwilling to comply with the terms of the lease. So, even if it appeared likely that the prospective assignee would actually breach the terms of the lease, it would nevertheless be unreasonable for the landlord to withhold consent. It was by persuading the court to apply this reasoning that the respondents secured victory in the Court of Appeal.
64. Uninstructed by the case law on this matter, I confess that I should have found the respondents' proposition startling. It derives support, however, from the decision of the Court of Appeal in Killick v Second Covent Garden Property Co Ltd  1 WLR 658. The case involved a lease of premises in the City of London. The lease contained a user covenant preventing the premises being used
The underlessee had indeed used the premises for their trade or business as printers but, as Stamp LJ observed, at p 661 A:
In the circumstances the lessee and sublessee applied for the landlord's consent to assign their leases to Primaplex, a company who were not printers and who proposed to apply for planning permission to use the premises as offices and to do the necessary works to convert them for that purpose. The landlords did not give the necessary consent and the lessee and underlessee applied for a declaration that the landlords had unreasonably withheld their consent to the assignments. The judge at the Mayor's and City of London Court made the declaration and the Court of Appeal refused the landlords' appeal.
65. Stamp LJ records that the ground on which the landlords sought to justify their refusal of consent as not being unreasonable was "simply that it will be a necessary consequence that there will be a breach of the user covenant". In advancing that view the landlords interpreted the covenant as absolute while the other parties argued that it was qualified. The critical passage in the judgment of Stamp LJ then follows, at p 661 D - F:
In the present case Chadwick LJ, with whom Waller LJ agreed, considered that the Court of Appeal was bound by the decision in Killick and on that basis they allowed the respondents' appeal and made the third declaration. Chadwick LJ put the matter in this way, at pp 23 - 24:
66. As one part of his argument Mr Pymont submitted that too much had been read into the passage in the judgment of Stamp LJ in Killick. As he pointed out, it appears that, perhaps because of the particular circumstances to which Stamp LJ alluded, counsel for the landlords had chosen to pitch his submission at the highest level: he had contended that a breach of the user covenant would be "a necessary consequence" of an assignment to Primaplex. All that the Court of Appeal decided was that, on the facts, a breach of the covenant was not a necessary consequence and, for that reason, they rejected the landlords' submission. While that is indeed a possible interpretation of the case, it is plain, not least from the decision in the Court of Appeal in the present case, that Killick has been treated as laying down law which has to be applied in interpreting covenants of this kind. In the course of a somewhat chequered career the decision has even won the accolade of being "the refuge of the desperate" (J. Gaunt, "Principle and Pretext: The rules governing landlords' consent" (1987) 284 EG 1371). But that is only an additional reason why, when the point has been fully argued, the House should consider the principle that it has been thought to enshrine.
67. The test of reasonableness is to be found in many areas of the law and the concept has been found useful precisely because it prevents the law becoming unduly rigid. In effect, it allows the law to respond appropriately to different situations as they arise. This has to be remembered when a court is considering whether a landlord has "unreasonably withheld" consent to the assignment of a lease. In this context I would follow Viscount Dunedin's advice in Viscount Tredegar v Harwood  AC 72 at p 78 that one "should read reasonableness in the general sense". I have derived the greatest assistance, however, from the comments of Lord Denning MR in a passage in Bickel v Duke of Westminster  QB 517. The Grosvenor Belgravia Estate had refused to consent to the assignment of the head lease of a house in Burton Mews off Chester Square to a lady who, if she had become tenant under the head lease and had remained so for five years, would have been entitled to buy the freehold from the Estate. Having referred to a number of earlier cases, Lord Denning said this, at p 524 C - G:
That statement of the general approach to be taken was endorsed by Roskill and Lawton LJJ, with whom Megaw LJ concurred, in West Layton Ltd v Ford  QB 593, at p 604 H, 606C-D. I would respectfully adopt it. In International Drilling Ltd v Louisville Investments  Ch 513 Balcombe LJ distilled a number of propositions from the earlier authorities on covenants of this kind but then, under reference to Bickel and West Layton, added, at p 521D:
68. Approaching the matter in this way, I am satisfied that it cannot be said, as a matter of law, that the belief of a landlord, however reasonable, that the proposed assignee intends to use the demised premises for a purpose which would give rise to a breach of a user covenant cannot, of itself, be a reasonable ground for withholding consent to the assignment.
69. I accept that, as Mr Lewison stressed, in proceedings such as the present the court is not concerned with whether or not the terms of the contract are reasonable as between the parties. The court is concerned only with the assignment and with whether or not it is reasonable for the landlord to withhold consent to that assignment. But in determining that matter, as Bickel shows, the correct approach is to consider what the reasonable landlord would do when asked to consent in the particular circumstances. The rule of law derived from Killick introduces a rigidity which makes it impossible to apply that approach. It should, for that very reason, be rejected.
70. Indeed the reasoning in Killick requires the landlord to proceed in a way in which, it appears to me, no reasonable landlord would actually proceed. It is accepted, by analogy with the position where a landlord is asked to consent to a sublease, that a landlord may act reasonably if he refuses consent where the assignment of the lease will necessarily result in a breach of a user covenant: Packaging Centre Ltd v Poland Street Estate Ltd (1961) 178 EG 189 and Granada TV Network Ltd v Great Universal Stores Ltd (1963) 187 EG 391;Killick  1 WLR 658, at pp 661G-662A. And one can easily see that a reasonable landlord faced with such a prospect could well decide to withhold consent. But one can equally easily see that a reasonable landlord, faced with the prospect that the assignment of the lease is likely to result in a breach of a user covenant, could well reach precisely the same decision. After all, a landlord considering whether to accept a tenant in the first place would almost certainly reject a person who would probably, even if not necessarily, use the premises in breach of a covenant in the lease. His decision to do so would be both rational and reasonable. In my view it may be equally rational and reasonable for a landlord to withhold consent to an assignment to a prospective assignee who will probably, even though not necessarily, breach the covenant. In deciding whether to withhold consent to an assignment reasonable landlords need not confine their consideration to what will necessarily happen; like everyone else taking an important decision, they may have regard to what will probably happen.
71. The central plank in the reasoning of the court in Killick seems to be that it would be unreasonable for the landlord to withhold consent because the assignment does not change the legal relationship between the landlord and the tenant. So the landlord would have exactly the same powers to prevent a breach of covenant by the assignee as by the existing tenant. The landlord would therefore be in the same position, neither better nor worse, to enforce the user covenant. As an analysis of the landlord's legal position that is undoubtedly correct. But the reality is that a reasonable landlord could well look at the matter more broadly and see that his position would be significantly altered by the assignment. It is one thing to have a tenant who complies with the user covenant in the lease and against whom there is no need to take steps to enforce the covenant. It is quite another to have a new tenant who does not comply with, or who challenges the interpretation of, the user covenant and against whom the landlord might need to take steps to enforce it or to contest the tenant's interpretation, with all the inconvenience and potential cost involved. It is also a different thing to have a new tenant who intends to apply to the Lands Tribunal under section 84 of the Law of Property Act 1925 to discharge or modify the user covenant. Again the landlord would face the prospect of becoming embroiled in legal proceedings. If they occurred, all or any of these matters would make a huge practical difference to the landlord. So the prospect that one or other of them will probably happen is one which a reasonable landlord must be entitled at least to take into account when asked to consent to the assignment of a lease. It is therefore in my view wholly unrealistic to suggest, as Killick does, that no reasonable landlord, faced with the probability of real changes of these kinds, would withhold consent to an assignment simply because, technically, his legal position and his legal remedies would remain the same. I accordingly reject the central strand of the reasoning on which the decision in Killick depends.
72. Mr Lewison submitted that, if the council were permitted to withhold consent in a case like the present, they would in effect have the power to impose their interpretation of the user covenant and the tenant would have no real interest to pursue the matter. So far as the tenant's interest is concerned, the history of the present proceedings, where the respondents have pursued a point of interpretation all the way to this House, would seem in itself to show that the argument cannot be pressed too far. For the rest, it is simply not the case that the landlord would have power to impose his particular interpretation of a user covenant. On the contrary, a tenant who is faced with a refusal of consent based on a particular interpretation may always apply to the county court for a declaration as to the proper interpretation. If the ruling shows that the landlord's interpretation is wrong, then it would plainly be unreasonable for the landlord to continue to withhold consent on that basis.
73. For these reasons I would reject the supposed rule of law that the Court of Appeal derived from Killick. In so far as Killick is thought to lay down any such rule, it should be overruled. Since the decision of the Court of Appeal to make the third declaration was based solely on an application of Killick, it follows that the council's appeal against that part of the court's order must be allowed.
74. It is important not to exaggerate the effect of overruling Killick. In particular, it does not establish any contrary rule of law that it will always be reasonable for a landlord to withhold consent to an assignment simply on the ground that the proposed assignee intends to use the premises for a purpose which would give rise to a breach of a user covenant. While that will usually be a reasonable ground for withholding consent, there may be circumstances where refusal of consent on this ground alone would be unreasonable. As Lord Denning stressed, it will depend on the circumstances of the particular case.
75. I would add this. In the course of his submissions Mr Lewison referred to the Landlord and Tenant 1988 and in particular to section 1(3) and (6)(c):
Mr Lewison commented on the succinct reply which the council official, Mr Hook, had sent to the respondents' agents on 16 September 1997 and appeared to suggest that it might somehow limit the range of evidence or argument which the council could deploy in seeking to show that it had been reasonable for the council not to give consent on the ground set out in the letter. I would deprecate any such suggestion. As my noble and learned friend Lord Scott pointed out in the course of argument, the degree of detail contained in such a letter is likely to depend to a large extent on what is said by the tenant in the application to which the landlord is responding. In practice a dialogue may develop. Here, to judge from the terms of the letter from the respondents' solicitors on 16 July, the application for consent was brief and contained no elaboration. In those circumstances an equally succinct reply was to be expected. Had the respondents continued the correspondence and elaborated their application in the light of the council's reply, then the council might well have developed their thinking in more detail. Of course, once the landlord has stated in writing the ground on which he refuses consent, he cannot later rely on any other ground. But that does not mean to say that, when seeking to show that it was reasonable for him not to consent on the stated ground, he is confined to what he has said in his letter. Section 1(6)(c) contains no such restriction. And rightly so. Otherwise, instead of being a straightforward practical document, the notice containing the landlord's reasons for withholding consent would soon become a battleground for litigants and an increasingly sophisticated playground for conveyancers. Such cannot have been the intention of Parliament in enacting the legislation.
76. In summary, for the reasons that I have given I would allow the council's appeal and refuse the respondents' cross-appeal.