Stamp Duty Land Tax: Contracts and Variations from 10 July 2003 Examples

SDLT on contracts made after 10 July 2003 and substantially performed before completion

For some land contracts made on or after 10 July 2003, early occupation or other substantial performance before the final transfer does not necessarily trigger SDLT at that earlier date. HMRC’s example shows that, under the transitional rules in Finance Act 2003, Schedule 19, paragraph 4(3), the SDLT charge can arise only when the transaction is completed by conveyance.

• The rule applies to contracts entered into on or after 10 July 2003.
• Substantial performance before completion does not automatically set the SDLT charge date.
• In HMRC’s example, a contract made on 1 August 2003 and substantially performed on 1 November 2003 was only chargeable on 1 January 2005, when conveyance completed.
• This affects when the transaction becomes chargeable and when filing and payment obligations arise.
• You should check the transitional provisions carefully and review the transaction dates in order: contract date, substantial performance date, and completion date.
• The result can depend on the exact facts, so small changes to the transaction may lead to a different SDLT outcome.

Scroll down for the full analysis.

When SDLT applies to a post-10 July 2003 contract that was substantially performed before completion

This page explains a transitional SDLT rule for contracts made on or after 10 July 2003. The point matters because, in some cases, a land contract may be acted on before the formal conveyance takes place. The official example shows that this does not always bring the SDLT charge forward to the earlier date. The tax charge may still arise only when the transaction is completed by conveyance.

What this rule is about

SDLT was introduced with transitional rules to deal with contracts made around the start of the regime. One issue is what happens where a contract is entered into after 10 July 2003, is substantially performed before the final transfer, and is only completed later by conveyance.

The legal question is not simply whether the parties have started acting on the contract. It is also whether the transitional provisions treat the transaction as chargeable at that earlier stage, or only when the conveyance is eventually completed.

What the official source says

The HMRC manual gives a short example under Finance Act 2003, Schedule 19, paragraph 4(3):

A contract is entered into on 1 August 2003, substantially performed on 1 November 2003, and completed by conveyance on 1 January 2005. HMRC states that the SDLT charge arises on 1 January 2005.

The important point is that, on these facts, substantial performance in November 2003 does not itself trigger the SDLT charge. The charge arises when the conveyance completes in January 2005.

What this means in practice

If you are looking at a contract made on or after 10 July 2003, you cannot assume that early occupation, payment, or other substantial performance automatically fixes the SDLT charge date at that earlier point for transitional purposes.

On the facts of HMRC’s example, the operative date for the SDLT charge is the completion by conveyance, not the earlier substantial performance date.

That can affect:

• when the transaction becomes chargeable
• which SDLT rules apply at the relevant time
• when filing and payment obligations would be considered to arise

The example is narrow, but it shows that the transitional provisions can displace what a reader might otherwise expect from the general SDLT treatment of substantial performance.

How to analyse it

To analyse this type of case, work through the facts in order:

• When was the contract entered into?
• Was it entered into on or after 10 July 2003?
• Was the contract substantially performed before the formal conveyance?
• When did the conveyance complete?
• Do the transitional rules in Finance Act 2003, Schedule 19, paragraph 4(3) apply to those facts?

The official example shows that where the contract was made on 1 August 2003, substantially performed on 1 November 2003, and completed by conveyance on 1 January 2005, the SDLT charge date is the completion date.

So the key lesson is to check the transitional rule itself, rather than relying only on the general idea that substantial performance can trigger SDLT.

Example

Illustration: a buyer signs a land contract in August 2003. The buyer is allowed into possession in November 2003, so the contract has been substantially performed. The legal title is not transferred until January 2005. Under HMRC’s example, the SDLT charge arises in January 2005, when the conveyance completes.

Why this can be difficult in practice

This area can be confusing because, in SDLT, substantial performance is often important. A reader may therefore expect the tax point to arise as soon as the contract is substantially performed. The transitional provisions can alter that outcome.

The HMRC material here is only an example, not a full statement of all possible cases. The result depends on the specific transitional rule being applied and the exact chronology of the transaction. Small factual differences may matter, especially where there are variations to the contract or other transitional features not covered by this short example.

Key takeaways

• For the facts in HMRC’s example, the SDLT charge arises on completion by conveyance, not on earlier substantial performance.
• A contract made on or after 10 July 2003 must be checked against the transitional provisions, not just the general SDLT rules.
• The timing of contract, substantial performance, and conveyance all matter and should be analysed carefully in sequence.

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: Contracts and Variations from 10 July 2003 Examples

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