Guide on Stamp Duty Land Tax for Leasehold Property Transactions

SDLT on Leasehold Property: Assignments, New Leases, Premiums and Rent

SDLT on leasehold property in England and Northern Ireland depends on whether you are taking over an existing lease or being granted a new one. An assigned lease is usually taxed like a freehold purchase based on the price paid, while a new lease can be taxed on both any premium and the net present value of the rent, with different rules for residential and non-residential property.

• An assignment of an existing lease is generally simpler: SDLT is usually based on the amount paid to acquire the lease, using the normal residential or non-residential rates.
• A new lease may attract SDLT on two separate elements: any premium paid up front and the net present value of the rent over the lease term.
• If the rent is only nominal, such as a peppercorn, SDLT is usually charged only on the premium; if the rent is more than nominal, the rent may also be taxed.
• Residential and non-residential leases are treated differently, and mixed-use property or transactions involving 6 or more dwellings are treated as non-residential.
• Special care is needed where rent is uncertain, VAT applies to rent, the lease term is indefinite, leases are linked, or there is a surrender and regrant, as later recalculations or extra reporting may be required.
• An SDLT return may still be required even if no SDLT is payable, so filing should always be checked separately from the tax calculation.

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SDLT on leasehold property: assigned leases, new leases, premiums and rent

This page explains how Stamp Duty Land Tax (SDLT) applies when you acquire a leasehold property in England or Northern Ireland. The tax treatment is different depending on whether you are taking over an existing lease or being granted a new one. For new leases, SDLT can be charged not only on any premium you pay up front, but also on the rent under the lease. That makes leasehold transactions more complicated than a straightforward freehold purchase.

What this rule is about

Leasehold transactions can be taxed in two different ways.

First, you might buy an existing lease from the current tenant. That is usually called an assignment of a lease. In broad terms, SDLT is then charged in the same way as if you were buying a freehold, by reference to the price paid for the assignment.

Second, you might be granted a brand new lease by the landlord. In that case, SDLT may be charged on two separate elements:

• any premium paid for the grant of the lease
• the value of the rent over the life of the lease, calculated on a present value basis

The rules also distinguish between residential and non-residential property. Mixed-use property and transactions involving 6 or more separate dwellings are treated as non-residential for these purposes.

This matters because the rates, thresholds and calculation method for rent are not the same in every case.

What the official source says

HMRC’s guidance says that SDLT does not apply to land transactions in Scotland from 1 April 2015 or in Wales from 1 April 2018. Those transactions fall instead under LBTT in Scotland and LTT in Wales.

For an assigned lease, the buyer pays SDLT on the lump sum paid to acquire the lease. In most cases, the same SDLT rates and thresholds apply as for a freehold purchase of residential or non-residential property, as appropriate. HMRC also says the SDLT return rules broadly follow the freehold position, including the requirement to file where the sale price is £40,000 or more even if no SDLT is due.

For a new lease, HMRC distinguishes between:

• a premium
• rent

If the lease carries only a nominal rent, such as a peppercorn, SDLT is charged only on the premium. The premium is taxed in the same way as the price for a freehold purchase.

If the lease carries more than a nominal rent, SDLT may be charged on both:

• the premium
• the net present value, or NPV, of the rent

For new residential leases, SDLT on the premium is worked out as if the premium were the freehold purchase price. SDLT on the rent is charged at 1% on the part of the NPV above the residential NPV threshold. HMRC’s guidance states that if the threshold has already been used, for example because of a linked lease, 1% is charged on the whole NPV.

For new non-residential leases, SDLT on the premium is generally charged at non-residential freehold rates. SDLT on the rent is charged by applying the non-residential NPV bands. HMRC’s example shows 0% on the first £150,000 of NPV, 1% on the next slice, and 2% above that.

HMRC also explains several special situations:

• VAT on rent must be included in the NPV calculation
• if rent is uncertain, estimated figures are used initially and must later be revisited
• if the lease term is indefinite or unknown, it is treated as a one-year lease at first and then as continuing year by year; HMRC calls this a growing lease
• special rules apply where an old lease is surrendered and a new lease of the same property is granted to the same tenant

What this means in practice

The first practical question is simple but crucial: are you taking an assignment of an existing lease, or are you being granted a new lease?

If it is an assignment, the SDLT analysis is usually much simpler. You normally look at the amount paid for the assignment and apply the usual residential or non-residential rates.

If it is a new lease, you need to separate the transaction into its economic parts. A lease can involve:

• an up-front capital payment, often called the premium
• ongoing rental payments

Those are taxed separately. A buyer can therefore face SDLT even where the premium is modest, if the rent is high enough over a long enough term.

The NPV point is especially important on commercial leases and on long residential leases with substantial rent. NPV is meant to convert the future stream of rent into a present-day value for SDLT purposes. HMRC provides a calculator for this, and the guidance expects taxpayers to use it.

Another important practical point is filing. A transaction can require an SDLT return even where no SDLT is payable. The filing exceptions for leases are narrower than some buyers expect.

How to analyse it

A sensible way to analyse a lease transaction is to work through these questions in order.

1. Is SDLT the relevant tax?

Check where the property is located. The HMRC guidance makes clear that Scotland and Wales have their own land transaction taxes for the periods stated.

2. Is this an assigned lease or a new lease?

If you are stepping into an existing lease, that is generally an assignment. If the landlord is granting a fresh lease, it is a new lease.

3. Is the property residential or non-residential?

For HMRC’s purposes here, residential property includes:

• a building used or suitable for use as a private home
• a building adapted for such use
• the garden or grounds of a private home

If 6 or more separate properties are bought in one transaction, the guidance says the transaction counts as non-residential.

4. Is there a premium?

If so, work out SDLT on the premium using the rates that would apply to a freehold purchase of property of that type.

5. Is the rent only nominal, or more than nominal?

If the rent is only nominal, SDLT is charged only on the premium. If the rent is more than nominal, you may also need to calculate SDLT on the rent by reference to its NPV.

6. What is the NPV of the rent?

Use HMRC’s lease calculator and make sure you have the relevant dates and rent figures. If VAT is payable on the rent, include it in the calculation.

If the rent changes over time, the first 5 years are particularly important. HMRC says that where the term exceeds 5 years, the calculator uses the highest rent payable in the first 5 years and applies that figure to the remaining years of the term.

7. Is any of the rent uncertain?

If the rent depends on future events, such as business turnover, HMRC says you should estimate it for the initial return. Later, when the actual figures are known or the first 5 years have passed, the NPV must be recalculated.

If the revised NPV is higher, HMRC must be told within 30 days of the review date and any extra SDLT paid. If the original estimate was too high, a refund can be claimed.

8. Is the lease term definite?

If the term is unknown or indefinite, the guidance says to treat it initially as a one-year fixed term, then as two years, and so on as it continues. This can create further filing and payment obligations later.

9. Has there been a surrender and regrant?

If the same tenant gives up one lease early and takes a new lease of the same property, special rules may apply. In some cases only the rent increase during the overlap period is brought into account, rather than the whole rent for that period. HMRC also indicates that overlap relief may be available.

10. Is a return required even if no tax is due?

Do not assume that no SDLT means no filing. HMRC’s guidance sets out specific exceptions, but outside those exceptions a return may still be required.

Example

Illustration: a buyer takes a new 99-year residential lease of a flat. They pay a premium of £275,000 and the NPV of the rent is £260,000.

Under HMRC’s example rates in the guidance current from 23 September 2022:

• the premium is taxed as if it were the purchase price of a residential freehold, producing SDLT of £1,250
• the NPV of the rent exceeds the residential NPV threshold of £250,000 by £10,000
• that excess is taxed at 1%, producing SDLT of £100 on the rent

Total SDLT would therefore be the SDLT on the premium plus the SDLT on the rent.

The key point is that the rent charge is additional. It does not replace the premium calculation.

Why this can be difficult in practice

Leasehold SDLT is often difficult because several separate concepts have to be analysed at once.

One difficulty is that a transaction may look simple commercially but be split into different tax components. A buyer may focus on the premium and overlook the rent calculation.

Another difficulty is uncertainty in the rent terms. Turnover rents, stepped rents, VAT on rent, rent-free periods, and unclear lease terms can all affect the NPV calculation. The HMRC guidance gives a framework, but the figures may still need later revision.

The surrender-and-regrant rules are also easy to misapply. Whether only the rent increase is relevant during the overlap period depends on the circumstances described by HMRC, including when the original lease was granted.

Linked transactions can add another layer of complexity. HMRC’s guidance notes that where the residential NPV threshold has already been used, the 1% charge may apply to the whole NPV on the later lease. That means a lease cannot always be looked at in isolation.

Finally, filing obligations can catch people out. Some leases require a return even where the SDLT liability is nil, while others fall within the stated exceptions. The distinction depends on term length, premium, rent and whether any tax is due.

Key takeaways

• An assigned lease is usually taxed like a freehold purchase of the same type of property, by reference to the price paid for the assignment.
• A new lease may trigger SDLT on both the premium and the NPV of the rent, so both parts must be checked separately.
• Uncertain rent, indefinite terms, linked leases, and surrender-and-regrant situations can change the SDLT result and may require later recalculation or further reporting.

This page was last updated on 24 March 2026

Useful article? You may find it helpful to read the original guidance here: Guide on Stamp Duty Land Tax for Leasehold Property Transactions

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