Understanding Notification Requirements for Land Transactions and Stamp Duty Land Tax

When a gifted property transfer must be notified for SDLT

A transfer of property can still fall within SDLT rules even if it is described as a gift. The main issue is whether the person receiving the property takes on any mortgage or other secured debt, because that debt can count as chargeable consideration and may mean the transfer must be notified to HMRC.

• A pure gift with no payment, no mortgage and no other consideration will usually not be notifiable for SDLT.
• If the recipient takes over all or part of an existing mortgage, the amount of debt taken on is usually the chargeable consideration.
• The relevant figure is normally the debt assumed, not the market value of the property.
• Where only part of a property is transferred, only the matching share of the mortgage may be treated as consideration.
• A transfer can still be notifiable even if no SDLT is actually payable, so tax liability and notification must be checked separately.
• Reliefs, exemptions and higher-rate rules must be considered on the facts, as they do not apply automatically in every gifted transfer.

Scroll down for the full analysis.

When a gifted property transfer must be notified for SDLT

This page explains an issue that often surprises people: a transfer can look like a gift, but still count as a chargeable land transaction for Stamp Duty Land Tax purposes. The key question is whether the person receiving the property is taking on any debt, especially a mortgage. If they are, that assumed debt can be chargeable consideration and may make the transaction notifiable even if no cash is paid.

What this rule is about

SDLT is not limited to straightforward purchases for cash. It can also apply where land is transferred for other forms of consideration. One important example is where the transferee takes over liability for an existing mortgage.

The official material here is dealing with a practical question: if someone gives property to another person, does that transfer need to be notified to HMRC, and is SDLT payable?

The answer depends mainly on whether there is any chargeable consideration. A pure gift with no mortgage and no other consideration will normally not be notifiable. But if the recipient takes on mortgage debt, that debt can be treated as consideration for SDLT.

What the official source says

The source gives three examples.

In the first example, a father gives a property worth £200,000 to his son. There is no mortgage and no money changes hands. HMRC’s view is that there is no chargeable consideration, so the transfer is not notifiable.

In the second example, a mother gives a property worth £200,000 to her daughter. No cash is paid, but there is a mortgage of £180,000 and the daughter takes responsibility for it. HMRC says SDLT is due on the outstanding mortgage amount at the appropriate rate, unless first-time buyers relief applies. The transaction is notifiable.

In the third example, a husband transfers a half share in his only residential property, worth £300,000, into his wife’s name. There is no cash payment, but the property is subject to a £200,000 mortgage. Because only half the property is transferred, HMRC treats half the mortgage debt, £100,000, as being taken over by the wife. HMRC says no SDLT is due because that chargeable consideration does not exceed the relevant threshold, but the transaction is still notifiable. HMRC also states that first-time buyers relief and the higher rates for additional dwellings do not apply to that transaction.

What this means in practice

The practical point is simple but important: do not assume a transfer is outside SDLT just because it is described as a gift.

If the recipient takes the property free of any mortgage, there may be no chargeable consideration at all. In that case, the transfer may fall outside the notification requirement.

If the recipient takes over all or part of a mortgage, that assumed debt is usually the figure to focus on. For SDLT purposes, the relevant consideration is not the market value of the property in these examples. It is the amount of debt being assumed.

This affects two separate questions:

• whether any SDLT is payable
• whether the transaction must be notified to HMRC

A transaction can therefore be notifiable even where no tax is actually due, as shown by the spousal half-share example.

How to analyse it

A sensible way to approach this kind of transfer is to ask the following questions.

• Is there any money being paid for the property?
• Is there an existing mortgage or other secured debt on the property at the effective date of the transaction?
• Is the recipient assuming responsibility for that debt, either wholly or partly?
• If only part of the property is transferred, what share of the debt is being taken on?
• Once that chargeable consideration is identified, does it produce an SDLT liability at the applicable rate?
• Even if no SDLT is payable, does the transaction still have to be notified?

The examples also show that reliefs and special rate rules need to be checked separately. A person may receive a gifted property with a mortgage and still need to consider whether a relief applies. Equally, some reliefs or surcharge rules may not apply in a particular type of transfer, as HMRC notes in the third example.

For part-share transfers, the debt is not automatically taken as the full mortgage balance. The analysis depends on what proportion of the debt the transferee is taking on. In HMRC’s example, a half-share transfer means half the mortgage is treated as the consideration.

Example

Illustration: A parent transfers a flat to an adult child. The flat is worth £250,000. No money is paid. If there is no mortgage, the transfer is a pure gift with no chargeable consideration, so on the HMRC approach shown here it is not notifiable.

If instead there is a mortgage of £150,000 and the child becomes responsible for that debt, the transfer is no longer a pure gift for SDLT purposes. The chargeable consideration is the £150,000 debt assumed, not the full £250,000 value of the flat. You would then consider whether SDLT is due on that amount and whether the transfer must be notified.

Why this can be difficult in practice

The difficult part is often identifying exactly what liability has been assumed.

In some cases, the legal documentation may not make it obvious whether the transferee has formally taken over the mortgage debt, or only acquired an interest in property that remains mortgaged. The SDLT analysis depends on the real legal effect of the arrangement.

Part-share transfers can also be fact-sensitive. HMRC’s example uses a straightforward half-share transfer and attributes half the mortgage to the transferee. In more complicated arrangements, the allocation of debt may require closer analysis of the transfer terms and the mortgage obligations.

Another point of difficulty is that people often focus on whether tax is payable and overlook the separate notification question. HMRC’s third example shows that a return may still be required even where the chargeable consideration is below the level that produces SDLT.

The examples also mention reliefs only briefly. Whether a relief applies, and whether a surcharge or exception is relevant, depends on the detailed statutory conditions. The examples should not be read as creating a general rule beyond the facts given.

Key takeaways

• A property transfer described as a gift can still involve chargeable consideration if the recipient takes on a mortgage.
• For these examples, the relevant consideration is the debt assumed, not the property’s market value.
• A transaction may still be notifiable even when no SDLT is ultimately payable.

This page was last updated on 24 March 2026

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

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