Stamp duty and pre-completion property transactions
In short
A pre-completion transaction can arise where a later agreement gives another person a right to call for land under an earlier purchase contract.
- The timing of the later agreement matters.
- Its legal effect matters more than its label.
- HMRC guidance is not the law itself.
Scroll down for the full analysis.
Read the original guidance here:
Stamp duty and pre-completion property transactions
A deal can become a pre-completion transaction when you agree to buy land, then give someone else a right to call for the transfer before the first deal has gone far enough. This can matter for stamp duty land tax, often called stamp duty.
What this rule is about
Sometimes the person who signs the first contract does not end up taking the land themselves. Instead, a later agreement gives another person a route to obtain it.
The law has special rules for that situation. The key is not what the parties call their paperwork. It is what the agreements actually do.
What the official source says
HMRC’s manual says that the Schedule 2A conditions need an original contract for a land transaction that will be completed by a conveyance. A conveyance is the legal document that transfers the land.
- There must first be an original contract to buy land.
- That contract must be due to end in a transfer document.
- The original contract must not yet have been substantially performed or completed.
- The buyer under that contract must then make a further agreement.
- That agreement must give another person a right to call for a transfer.
- It may cover all or part.
What this means in practice
Changing plans before completion does not automatically suffice. For this rule to apply, the later deal must give another person the legal right to require transfer of land covered by the first deal.
This is the part people get wrong: a simple wish that someone else should take the property is different from a legal right to call for it.
- Keep the first contract as well as later paperwork.
- Check whether the later document gives a real enforceable right.
- Check whether it covers the whole site or a defined part.
- Record when possession was taken and when money was paid.
How to analyse it
Start with the documents and the dates. Then work through the chain of agreements in order.
- What land does the original contract cover?
- Was it a contract due to end with a transfer?
- Had completion already happened?
- Had the original contract already been substantially performed?
- What does the later agreement require or allow?
- Who can demand the transfer under that agreement?
- Does that right cover all or part of the original land?
Example
Maya signs a contract to buy a plot. Before she takes possession, pays a substantial amount, or completes, she makes a later agreement that lets Ben require the seller to transfer part of that plot to him. On the facts described by HMRC, the later agreement displays the features that HMRC identifies as those of a pre-completion transaction.
Why this can be difficult in practice
Property deals can involve several misleadingly labelled documents. A nomination, side letter, or agreement between buyers may prove more important than its title suggests when the documents are examined together.
Timing can also decide the issue. Under section 44, substantial performance can arise through possession or a substantial payment. The supplied source does not set out the full tax result after that point.
- A later agreement may be signed too late for this rule.
- A document may give a choice, not a right to demand a transfer.
- Only part of the land may be covered.
- Possession and payment records may be incomplete.
Key takeaways
- The original contract must be one due to end in a land transfer.
- The later agreement must come before substantial performance or completion.
- Another person must gain a right to call for all or part of the transfer.
Technical analysis
For advisers, and for anyone who wants to check the law behind this page. You do not need this section to understand the guidance above.
Legislation
- FA 2003 section 44 — contracts completed by conveyance and substantial performance
- FA 2003 Schedule 2A para 1 — pre-completion transactions involving rights under a contract
Official guidance
The pages below are HMRC’s guidance. Guidance is not law. It sets out how HMRC reads the legislation, and it is not binding on you, on a tribunal or on a court. Where guidance and the legislation differ, the legislation wins. HMRC can also change or withdraw guidance, and it may not cover your facts.
Where this is not settled
- The supplied source does not explain every consequence once an arrangement is a pre-completion transaction.
- Whether an agreement gives someone a right to call for a transfer can depend on its wording and the surrounding facts.
Evidence you would need
This kind of case is decided on the facts of the individual property. These are the records that usually settle it, and the ones an adviser would ask you for.
- The original signed contract and its completion terms.
- The later agreement, nomination, assignment or other document.
- Dates of signing, possession, payments and completion.
- Evidence of any right given to another person to require a transfer.
Explore this with an AI
Readers often want to test their own situation. Copy the prompt below into ChatGPT, Claude or Gemini. It hands the model the actual legislation for this page rather than letting it answer from memory, and tells it to be explicit about what is uncertain. What comes back is information, not advice – check it against the links above.
I am researching UK Stamp Duty Land Tax (SDLT), which applies in England and Northern Ireland. MY QUESTION Stamp duty and pre-completion property transactions [Replace this with your own situation: what you are buying, the price, the dates, who the buyer is, and what you plan to do with the property.] THE LAW THIS TURNS ON - FA 2003 section 44 - contracts completed by conveyance and substantial performance https://www.legislation.gov.uk/ukpga/2003/14/section/44/2025-11-17 - FA 2003 Schedule 2A para 1 - pre-completion transactions involving rights under a contract https://www.legislation.gov.uk/ukpga/2003/14/schedule/2A/paragraph/1/2025-11-17 Guidance page from HMRC on this topic (guidance, not law): https://www.gov.uk/hmrc-internal-manuals/stamp-duty-land-tax-manual/sdltm01060 HOW I WANT YOU TO ANSWER 1. Work from the legislation above. Read it before answering. Guidance from HMRC is its view of the law, not the law, and does not bind a tribunal or a court. 2. Tell me what the rule actually requires, in plain English. 3. Tell me which facts decide the answer, and which facts would change it. 4. Tell me what evidence I would need to support the position. 5. Be explicit about anything unsettled or fact-sensitive. Do not guess. 6. Your training data has a cutoff and SDLT rates and reliefs change at fiscal events. Say so if you are not sure the law is current. POINTS ALREADY KNOWN TO BE UNCERTAIN ON THIS TOPIC - The supplied source does not explain every consequence once an arrangement is a pre-completion transaction. - Whether an agreement gives someone a right to call for a transfer can depend on its wording and the surrounding facts. Do not give me a conclusion you cannot support from the provisions above.
Legislation links show Finance Act 2003 as it stood on 2025-11-17. The law may have changed since, and the rules that apply are those in force on the date of your transaction. The official guidance this page is based on is here.
This page was last updated on 31 August 2026
Useful article? You may find it helpful to read the original guidance here: Stamp duty and pre-completion property transactions
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