Do you pay SDLT on a lease extension if leaseholders only cover legal and administration costs?

Introduction

Lease extensions often raise Stamp Duty Land Tax (SDLT) questions, especially where a freehold company owned by leaseholders extends leases and reduces ground rent. A common concern is whether SDLT is triggered when no premium is charged, but leaseholders contribute towards legal or administration costs.

The short answer is that SDLT usually depends on whether there is chargeable consideration for the land transaction. If there is no premium or other value given for the grant or variation of the lease, SDLT may not arise at all. In some cases, even where there is consideration, no SDLT return or tax is due if the amount is low enough.

The Question

A block of flats is owned through a residents’ freehold structure. The leaseholders collectively control the freehold company. The original leases were granted for 99 years, and the parties now plan to extend them to 999 years by deed of variation while reducing the existing ground rent to a peppercorn.

No premium is being charged for the lease extensions. Instead, each leaseholder is only being asked to pay a contribution towards the legal and administrative costs of carrying out the exercise. The question is whether SDLT is likely to apply in that situation, particularly where the leases have dropped below 80 years and the parties are aware of wider lease extension valuation issues such as marriage value.

Nick’s Explanation

Nick’s core point was that SDLT turns on consideration. In anonymised form, his explanation was:

“The key point is whether any consideration is being given as part of the lease extension. If no money, or anything else of value, is being paid for the lease extension itself, and there is no payment linked to the reduction in ground rent, SDLT does not apply. Legal and admin fees paid by the leaseholders do not count as consideration for SDLT purposes.”

He also noted that if there is any consideration, but it is £40,000 or less, SDLT still does not apply. He further explained that reducing ground rent to a peppercorn does not usually trigger SDLT by itself unless there is a payment specifically given in return for that change.

That reasoning reflects the basic SDLT structure: the tax is charged on chargeable consideration for a land transaction, not on every document affecting land.

The Law

SDLT is charged under the Finance Act 2003. The key provisions are:

• Section 42, which charges SDLT on land transactions
• Section 43, which defines a land transaction
• Section 50, which deals with chargeable consideration
• Schedule 4, which contains rules on chargeable consideration
• Schedule 17A, which sets filing thresholds, including the general £40,000 threshold relevant to notification in many cases

Where a lease is varied or extended, the SDLT treatment depends on the legal effect of the arrangement. Some variations are treated as the grant of a new lease, while others are treated as a variation of the existing lease. In either case, the practical SDLT question usually remains the same: is there chargeable consideration, and if so, how much?

Chargeable consideration is broadly anything of monetary value given, directly or indirectly, for the transaction. That can include:

• a premium
• assumption of debt
• payment in money or money’s worth
• rent, where the rules treat rent as chargeable consideration for lease transactions

But reimbursement of genuine third-party legal and administrative costs is not normally treated as consideration for the acquisition of the land interest itself if it is simply cost-sharing and not part of the price for the lease extension.

Analysis

Step one is to identify what the leaseholders are actually receiving. They are obtaining an extension of their leases and a reduction of ground rent to a peppercorn.

Step two is to identify what they are giving in return. On the facts described, they are not paying a premium to the freeholder for the extra term, and they are not making any separate payment for the ground rent reduction. They are only contributing towards the professional and administrative costs of implementing the project.

Step three is to ask whether those cost contributions are consideration for SDLT purposes. If they are merely reimbursing legal and administration costs, and are not in substance a disguised premium or value transfer to the landlord, they are unlikely to be chargeable consideration.

Step four is to consider the rent position. The variation reduces the ground rent to a peppercorn rather than creating a new rent liability. That does not create SDLT exposure by itself. In lease transactions, rent can form part of chargeable consideration, but here the rent burden is being reduced, not increased.

Step five is to consider whether the under-80-year position changes the SDLT answer. In practice, it does not automatically do so. The 80-year point is important in leasehold valuation because of marriage value in enfranchisement and lease extension calculations, but SDLT is not charged simply because a lease extension has value. SDLT is charged on chargeable consideration actually given for the transaction.

So even if the extension improves mortgageability or saleability, that does not itself create SDLT. A rise in market value is not the same as chargeable consideration.

Step six is to check the £40,000 threshold. If, contrary to the intended structure, any element of the payment were in reality consideration for the lease extension, the next question would be whether the chargeable consideration exceeds £40,000. If it does not, there will generally be no SDLT liability and, depending on the exact structure, often no notification requirement either.

The practical risk point is substance over form. If the “administration fee” is more than a genuine reimbursement of costs and in reality includes a premium or value payment to the freeholder, HMRC could treat that excess as chargeable consideration.

Outcome

On the facts described, the likely outcome is that no SDLT is payable on the lease extensions if:

• no premium is charged for the extension
• no separate payment is made for reducing the ground rent to a peppercorn
• the leaseholders only reimburse genuine legal and administration costs
• there is no other form of money or money’s worth given for the transaction

Even if there were some chargeable consideration, SDLT would generally not arise if the amount did not exceed £40,000.

Practical Steps

If you are assessing a similar lease extension project, it is sensible to work through the following points:

1. Review the documents to see whether the variation is treated in law as a regrant or a variation only.
2. Check whether any payment is described, expressly or indirectly, as a premium for the extension.
3. Separate genuine professional fees from any value payment to the landlord.
4. Make sure the paperwork clearly shows that leaseholders are only meeting implementation costs, if that is the true position.
5. Check whether any rent remains payable and whether the lease transaction rules on rent are engaged.
6. If any amount could arguably be consideration, calculate whether it exceeds £40,000.
7. Keep evidence showing how the fees were calculated and that they reflect actual costs rather than a hidden premium.

Readers should also remember that SDLT is only one part of the tax picture. Lease extensions can raise separate issues in relation to corporation tax, income tax and capital gains tax depending on the ownership structure and the way the transaction is documented.

Conclusion

If a lease extension is granted without a premium and the leaseholders only pay genuine legal and administration costs, SDLT is unlikely to apply. The fact that the lease becomes longer, the ground rent falls to a peppercorn, or the flat becomes easier to sell does not by itself create SDLT. The central question is whether there is chargeable consideration for the land transaction.

Legal References Used

• Finance Act 2003, section 42
• Finance Act 2003, section 43
• Finance Act 2003, section 50
• Finance Act 2003, Schedule 4
• Finance Act 2003, Schedule 17A

This page was last updated on 22 March 2026.

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