Stamp Duty Land Tax: Oral Contracts and Transitional Provisions Explained

When a post-2003 land transaction may fall outside SDLT because of an earlier oral contract

A land transaction completed after SDLT began may avoid SDLT under transitional rules if it was carried out under a contract made before 10 July 2003, but this is a narrow and difficult argument. The key issues are whether the relevant UK jurisdiction allowed that type of land contract to be oral, whether the transitional conditions are met, and whether the later transaction can be proved to match the earlier agreement.

• In England and Wales, land contracts generally had to be in writing, except for some short leases at market rent, with no premium, and for no more than three years.
• In Scotland, writing was also generally required, with only a limited exception for rights to use or occupy land for a fixed period of up to one year.
• In Northern Ireland, oral contracts for the sale or lease of land can be valid, so the argument is more legally possible there.
• Even if an oral contract was valid, the taxpayer must show it was made before 10 July 2003 and that the later transaction was genuinely in pursuance of that earlier contract.
• Evidence is often the main problem, especially for leases, because it can be hard to prove the exact terms of an oral agreement and whether the final lease matches them.

Scroll down for the full analysis.

When can a post-2003 land transaction fall outside SDLT because of an earlier oral contract?

This page explains a narrow transitional issue from the start of stamp duty land tax. Sometimes a taxpayer argues that a transaction completed after SDLT began should not be charged to SDLT because it was carried out under an oral contract made before 10 July 2003. Whether that argument can work depends heavily on the law of the relevant UK jurisdiction and on whether the later transaction truly matches the earlier agreement.

What this rule is about

SDLT replaced the old stamp duty regime for land transactions. Transitional rules were needed for arrangements made before the new tax took effect. In some cases, a later transaction may stay outside SDLT if it was carried out in pursuance of a contract made before Royal Assent on 10 July 2003, provided the other transitional conditions are met.

The point discussed here is whether that earlier contract can be an oral one. This matters most for leases, because the SDLT charge on rent is different from the old stamp duty treatment. A taxpayer may therefore try to say that a lease granted after SDLT started was really just the implementation of an earlier oral agreement, so SDLT should not apply.

What the official source says

The official material says that a taxpayer may claim that a post-implementation land transaction is outside SDLT because it was effected in pursuance of an oral contract made before 10 July 2003 and either:

• the contract was substantially performed before that date, or
• it was not later varied or assigned.

But the source then explains that, in many cases, the real obstacle is more basic: in some parts of the UK, the law does not generally allow an oral contract for the sale or lease of land at all.

England and Wales

Under section 2(1) of the Law of Property (Miscellaneous Provisions) Act 1989, a contract for the sale or other disposition of an interest in land must be in writing. The source identifies one exception: an agreement for a lease can be oral if all of the following apply:

• the rent is a market rent,
• there is no premium, and
• the term does not exceed three years.

This includes yearly, monthly and weekly tenancies. The source also notes that, in practice, it is unusual to have a separate prior agreement for such a short lease, because the lease itself can be granted orally.

Scotland

Under section 1(2)(a)(i) of the Requirements of Writing (Scotland) Act 1995, a written document is required to constitute a contract creating, transferring, varying or extinguishing an interest in land. The source identifies a limited exception for a tenancy or other right to use or occupy land for a fixed period not exceeding one year. It also notes that periodic tenancies do not exist in Scotland.

Northern Ireland

The source says there is no requirement for a contract for the sale or other disposition of an interest in land to be in writing. An oral contract for the sale or lease of land can therefore be valid. If it is acted on, and especially if the tenant goes into possession, it will generally be enforceable.

However, even in Northern Ireland, a post-implementation transaction is outside SDLT only if it is effected in pursuance of the earlier pre-Royal Assent contract. In practical terms, the later transaction must accord with what was actually agreed before 10 July 2003.

What this means in practice

The key practical question is not simply whether someone says there was an oral agreement. It is whether the law recognised that kind of oral agreement in the first place, and whether the later transaction can genuinely be shown to have been carried out under it.

In England and Wales, and in Scotland, most substantial land contracts must be in writing. That means an argument based on a pre-10 July 2003 oral contract will usually fail unless the case falls within the narrow exceptions for short leases.

In Northern Ireland, the argument is legally more plausible because oral contracts for sale or lease are not barred in the same way. But proof is still a major issue. The taxpayer must be able to show that the completed transaction was the implementation of the earlier oral agreement, not a later or different bargain.

The source stresses that this is especially difficult for leases. Commercial and even many residential leases often contain detailed terms. If the parties really agreed those terms orally before 10 July 2003, there may be little reliable evidence of exactly what was agreed unless there is some contemporaneous note or memorandum. Without that, it may be hard to prove that the later lease was granted in pursuance of that earlier agreement.

How to analyse it

A sensible way to approach the issue is to ask these questions in order:

• What jurisdiction applies: England and Wales, Scotland, or Northern Ireland?
• Was the alleged earlier contract for sale, for a lease, or for some other land interest?
• Did the law of that jurisdiction permit that kind of contract to be made orally?
• If the case concerns a lease, does it fall within the relevant short-lease exception?
• Was the oral contract made before 10 July 2003?
• Was it substantially performed before that date, or was it later left unvaried and unassigned, as required by the transitional rules referred to in the source?
• Can the taxpayer prove the terms of the oral agreement?
• Does the later transaction actually match those earlier agreed terms?

That last point is critical. Saying that there was a broad understanding to grant a lease is not necessarily enough. The later transaction must be shown to have been effected in pursuance of the earlier contract. If the final lease contains materially different terms, that may undermine the argument.

Example

Illustration: suppose a tenant in Northern Ireland says that, before 10 July 2003, the landlord orally agreed to grant a lease, and the formal lease document was signed later after SDLT had begun. The tenant takes possession and starts paying rent. The argument that SDLT does not apply is not automatically right, but it is at least legally possible because oral contracts for leases can be valid there.

The next question would be whether the later written lease was truly granted under that earlier oral agreement. If the rent, term, repair obligations, break rights, or other key terms were only settled later, it may be difficult to show that the final lease was simply carrying out the pre-10 July 2003 contract.

By contrast, in England and Wales, the same argument would usually fail for a longer or more complex lease because the contract would generally have needed to be in writing. It might only be arguable for a short lease at market rent with no premium and a term not exceeding three years.

Why this can be difficult in practice

The main difficulty is evidence. Oral contracts are much harder to prove than written ones. That is particularly true where the transaction is a lease, because leases often involve many detailed terms that parties usually want settled with certainty.

The source also points to a practical mismatch. Some leases can themselves be granted orally, especially very short ones. But if that is so, it would be unusual for there to be a separate earlier oral contract for the lease. So even where oral arrangements are legally possible, the factual pattern needed for the transitional argument may be uncommon.

Another difficulty is that the transitional protection is not triggered merely because discussions happened before 10 July 2003. The later transaction must be in pursuance of an actual earlier contract. If the parties were still negotiating, or if important terms were not fixed until later, the argument becomes much weaker.

Finally, the source is careful not to say that every oral contract in Northern Ireland will succeed for transitional purposes. Validity of the oral contract is only one step. The taxpayer must still show that the completed transaction accords with that earlier contract and satisfies the transitional conditions.

Key takeaways

• An alleged pre-10 July 2003 oral contract only helps if that kind of land contract could legally be made orally in the relevant jurisdiction.
• In England and Wales and in Scotland, oral land contracts are generally ineffective except for narrow short-lease exceptions.
• Even where an oral contract is legally possible, the taxpayer still has to prove its terms and show that the later transaction was genuinely carried out under that earlier agreement.

This page was last updated on 24 March 2026

Useful article? You may find it helpful to read the original guidance here: Stamp Duty Land Tax: Oral Contracts and Transitional Provisions Explained

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