Understanding Market Value for Stamp Duty Land Tax Non-Cash Consideration

SDLT market value for non-cash consideration

When land is bought for something other than just cash, SDLT is worked out using the market value of that non-cash consideration. This means the amount the asset could reasonably fetch on the open market, or, for services, what they would reasonably cost if bought on the open market. The buyer must be able to support the figure used, and the valuation excludes VAT.

• SDLT can be charged on non-cash consideration such as assets, works or services given in return for land.
• Market value means the price the item might reasonably be expected to fetch on an open market sale.
• Where services are provided instead of cash, use the amount those services would reasonably cost on the open market, not the provider’s internal cost.
• The purchaser is responsible for the valuation and should keep evidence showing how the figure was reached.
• A formal professional valuation is not always required, but HMRC may check the value used in an enquiry.
• For SDLT market value purposes, VAT is left out even if VAT would apply in the real transaction.

Scroll down for the full analysis.

SDLT market value for non-cash consideration

This page explains how market value is worked out for Stamp Duty Land Tax when the consideration for a land transaction is not simply cash. This matters because SDLT can be charged by reference to the value of what is given in return for the land, and that value may need to be estimated rather than read directly from a purchase price.

What this rule is about

In some land transactions, the buyer does not pay entirely in money. They may transfer another asset, provide services, or satisfy part of the price in some other non-cash form. In those cases, SDLT still needs a taxable amount. The law therefore uses the concept of market value to measure what the non-cash consideration is worth.

The source material is dealing with the meaning of market value for SDLT purposes. It points to the definition in Finance Act 2003 section 118, which in turn relies on definitions used in the capital gains tax legislation.

What the official source says

The official material says that market value means the price the asset might reasonably be expected to fetch on a sale in the open market. That wording comes from the capital gains tax rules adopted for SDLT.

If a valuation is needed, the buyer is responsible for providing it. The material says professional valuation advice should be considered, but a formal professional valuation is not mandatory. Even so, the value entered on the land transaction return may later be checked in an HMRC enquiry.

Where the consideration consists of services, the market value of those services is the amount they might reasonably be expected to cost if bought on the open market.

The source also states that market value does not include VAT, even if VAT would in fact be chargeable on the transfer of the asset. The reason given is that market value is based on a hypothetical open market sale, not the actual transaction as carried out between the parties.

What this means in practice

If part of the price for land is something other than money, you need to ask what that thing would be worth in an open market sale. The focus is not on what the parties privately think it is worth, and not necessarily on what it cost one of them to acquire or provide it.

For example, if a buyer transfers an asset instead of paying cash, the relevant figure is the open market price that asset could reasonably be expected to fetch. If the buyer agrees to carry out works or provide services in return for the land, the relevant figure is what those services would reasonably cost if purchased on the open market.

This can directly affect the SDLT calculation. If the market value of the non-cash consideration is understated, the SDLT return may understate the chargeable consideration. That creates a risk of HMRC challenge.

The source material places the practical burden on the purchaser to support the valuation used. A buyer does not have to obtain a formal valuation report in every case, but they should be able to explain and justify the figure used if asked.

How to analyse it

A sensible way to approach the issue is:

• Identify exactly what is being given as consideration for the land.
• Separate cash consideration from non-cash consideration.
• For each non-cash item, ask what it might reasonably be expected to fetch on an open market sale, or if it is a service, what it would reasonably cost if bought on the open market.
• Check whether the figure used includes VAT. The source says market value does not include VAT.
• Keep enough evidence to show how the figure was reached, especially if no formal valuation was obtained.
• Consider whether the value used is one HMRC might realistically question on an enquiry.

The key discipline is to value the consideration objectively. The legal test is about a hypothetical open market transaction, not the special circumstances or negotiating position of the actual parties.

Example

Suppose a buyer acquires land and, instead of paying part of the price in cash, agrees to provide construction services to the seller. The source material indicates that the value of those services for SDLT purposes is the amount those services might reasonably be expected to cost if purchased on the open market. So the SDLT analysis would focus on the open market cost of those services, not simply the buyer’s internal cost of carrying them out.

Why this can be difficult in practice

Valuation is often the difficult part. The legal definition sounds simple, but applying it can involve judgement. There may be no obvious market comparison, especially where the asset is unusual or the services are bespoke.

The source material also makes clear that a formal valuation is not compulsory. That gives flexibility, but it also means the buyer must decide how much evidence is enough. In straightforward cases, a reasoned estimate may be sufficient. In more contentious or higher-value cases, the absence of professional valuation evidence may make the return harder to defend.

Another point that can trip people up is VAT. In actual transactions, VAT may be payable. But the source says market value for this purpose excludes VAT because the test assumes a hypothetical open market sale rather than reproducing the actual tax treatment of the real transaction.

Key takeaways

• For SDLT, non-cash consideration is valued by reference to market value, meaning the price it might reasonably fetch on an open market sale.
• If the consideration is services, use the amount those services would reasonably cost if bought on the open market.
• The purchaser must support the valuation used, and market value for this purpose excludes VAT.

This page was last updated on 24 March 2026

Useful article? You may find it helpful to read the original guidance here: Understanding Market Value for Stamp Duty Land Tax Non-Cash Consideration

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