Understanding Chargeable Consideration and Fees for Stamp Duty Land Tax Transactions

When extra fees count towards SDLT

Extra fees paid alongside a property purchase may have to be included in the amount charged to SDLT if they are really part of what the buyer must pay to get the property. What matters is the true purpose of the fee, not the label used. If the fee is required for the deal to complete, HMRC is likely to treat it as chargeable consideration.

• SDLT is usually charged on the full amount given for the property, not just the stated purchase price.
• An extra fee is likely to count if paying it is a condition of the deal, needed for completion, or only payable if the purchase goes ahead.
• The name of the fee does not decide the tax treatment; HMRC looks at what the buyer is actually paying for.
• Fees for genuinely separate services, such as the buyer’s own solicitor’s fees, are usually not part of chargeable consideration.
• You should consider all agreements and arrangements, including side deals or oral agreements, not just the written sale contract.
• For example, a required £5,000 “transaction fee” linked to a £300,000 purchase would likely be added to the SDLT calculation.

Scroll down for the full analysis.

When extra fees form part of SDLT chargeable consideration

This page explains when a fee paid alongside the purchase of land or property must be counted as part of the amount charged to SDLT. The key question is whether the fee is really part of what is being given for the property, or whether it is payment for something separate. That distinction matters because SDLT is generally charged on the total consideration given for the transaction, not just the stated purchase price.

What this rule is about

SDLT is generally charged on the total amount given, directly or indirectly, for the acquisition of land or property in England and Northern Ireland. That total is called the chargeable consideration.

In practice, some transactions involve more than a simple purchase price. A buyer may be asked to pay an additional fee. The legal issue is whether that fee is part of the price for obtaining the property, or whether it is genuinely payment for a separate service or arrangement.

This is important because labels do not decide the SDLT treatment. Calling something a “fee”, “administration charge” or similar does not prevent it from being chargeable consideration if, in substance, it is part of what the buyer must give in order to get the property.

What the official source says

HMRC’s view is that a fee must be included in chargeable consideration if it is, in reality, given for the property. The manual points to several signs that this may be the case.

A fee is likely to be part of the chargeable consideration if:

• payment of the fee is a condition of the contract,
• completion of the transaction depends on the fee being paid, or
• the fee only becomes payable if the property transaction actually goes ahead.

The source also makes an important point about contracts. For SDLT purposes, a contract does not need to be written down. Any agreement can be enough. So the analysis is not limited to what appears in the formal sale contract.

By contrast, if a fee relates to a separate matter and does not have to be paid in order to secure the property, it is not chargeable consideration. HMRC gives the example of the buyer’s own legal fees. Those fees are paid for legal services to the buyer. They are not paid to obtain the seller’s agreement to transfer the property, and they would usually still be payable even if the purchase fell through.

What this means in practice

The practical question is not “What is this fee called?” but “What is the buyer actually paying for?”

If the buyer must pay the fee to obtain the property, HMRC is likely to treat it as part of the consideration for the land transaction. That means it should be added to the purchase price when working out the SDLT position.

If the fee is truly for something separate, and the buyer is not required to pay it in order to secure the transfer, it may fall outside chargeable consideration.

This often matters where a seller, developer, intermediary or connected person charges an additional amount alongside the stated price. The more closely the fee is tied to the property transfer, the harder it is to argue that it is separate from the consideration.

How to analyse it

A sensible way to analyse the issue is to ask the following questions.

• Who is receiving the fee, and in what capacity?
• What is the fee said to be for?
• Would the buyer still have to pay it if the property transaction did not complete?
• Is payment of the fee required before the seller, developer or other relevant party will complete the transfer?
• Is the fee part of the overall bargain for acquiring the property, even if it is documented separately?
• Does the fee relate to a genuinely separate service provided to the buyer?

Two practical indicators are especially important:

• If the fee only arises if the purchase proceeds, that points towards chargeable consideration.
• If the fee would be payable anyway, even if the purchase falls through, that points towards a separate payment rather than consideration for the property.

You should also look beyond the written sale contract. Side agreements, reservation arrangements, oral agreements and completion conditions may all be relevant.

Example

Illustration: a buyer agrees to buy a flat for a stated price of £300,000. The seller or a connected party also requires the buyer to pay a separate “transaction fee” of £5,000, and the sale will not complete unless that fee is paid. On those facts, HMRC’s view would be that the £5,000 is part of what the buyer is giving for the property, so it should be included in the chargeable consideration.

By contrast, if the buyer separately instructs a solicitor and pays legal fees for advice and conveyancing work, those fees are not paid to secure the seller’s agreement to transfer the property. They are payment for the buyer’s own professional services, and HMRC’s example indicates that they do not form part of the chargeable consideration.

Why this can be difficult in practice

The difficult cases are those where a fee has some commercial explanation but is also closely linked to the property deal. A fee may be described as administration, handling, reservation or documentation charges, but the real issue is whether the buyer had to pay it to obtain the property.

Another difficulty is that the relevant agreement may not be contained in one document. The formal contract may show only the purchase price, while the obligation to pay an extra fee appears elsewhere or is understood between the parties. The source makes clear that this still matters, because an SDLT contract can be any agreement, not just a written one.

The manual gives indicators rather than an exhaustive legal test. In an individual case, the result will depend on the facts. The closer the connection between the fee and the buyer’s ability to complete the purchase, the more likely it is to be treated as chargeable consideration.

Key takeaways

• SDLT is charged on the total consideration given for the property, not just the stated purchase price.
• An extra fee is likely to be chargeable consideration if the buyer must pay it to complete or secure the property transaction.
• A fee for a genuinely separate matter, such as the buyer’s own legal services, is less likely to be part of the SDLT consideration.

This page was last updated on 24 March 2026

Useful article? You may find it helpful to read the original guidance here: Understanding Chargeable Consideration and Fees for Stamp Duty Land Tax Transactions

View all HMRC SDLT Guidance Pages Here