Linked leases and stamp duty: when separate leases are treated as one
Linked leases at a glance
Stamp duty can treat several leases as one where they form a linked series or one overall deal. Lease renewals need careful checking.
- Successive linked leases can be treated as one longer lease.
- Fresh, arm’s-length negotiations may point to a separate lease.
- The documents, timeline and rent terms are central evidence.
Scroll down for the full analysis.
Read the original guidance here:
Linked leases and stamp duty: when separate leases are treated as one
Linked leases and stamp duty: when separate leases are treated as one
Under SDLT rules, two leases can count as one for stamp duty land tax (SDLT). That can change how SDLT rules calculate tax on the rent. People often overlook this issue when they renew a lease.
What this rule is about
It is tempting to consider each lease by itself. That approach is not always right. SDLT can link transactions when the same people, or connected people, carry out deals as part of one plan or as a series of dealings. Context matters.
For leases, two different paths exist. One covers leases that run one after another over the same premises. In the other, the parties agree the leases together as one bargain.
Although the distinction may sound technical, it can affect the tax result.
What the official source says
Legislation permits linked transactions when they form a single scheme, arrangement or series. Those transactions must involve the same seller and buyer, or people connected with them.
HMRC’s manual says a short lease and its renewal will often form a series. For example, that may be so where the first lease fixed the rent for the renewal, or says that the same rent will continue.
- Successive leases must cover the same, or substantially the same, premises.
- The parties must make them linked transactions.
- HMRC says the leases normally take effect immediately one after another.
- Landlords may grant the leases at the same time or at different times.
- The special rule treats the series as one lease from the date of the first lease.
- Its term is the total of the terms of all leases in the series.
- Its rent is the rent payable under all those leases.
This is what the law calls the treatment of successive linked leases. Once that rule applies, it generally ignores later leases as separate lease grants. A later linked transaction can still require a further return if it changes the SDLT position.
HMRC also says that, where the parties can show that a renewal resulted from a genuine arm’s-length deal rather than a planned continuation, it will not link the renewal. That distinction matters.
HMRC gives that view in its manual, rather than setting out a separate test in the linked-transactions section of the Act. It is guidance.
- An earlier lease may have ended naturally.
- Neither side may have had a right or duty to renew.
- A new lease may have followed entirely fresh negotiations.
- Those negotiations should be comparable to those for a new tenant.
- You need evidence, not just a statement that the deal was new.
What this means in practice
When the parties make successive linked leases, SDLT considers the whole run of leases rather than each short period alone. This stops a longer occupation being split into smaller leases simply by using renewals.
Another form of linking can apply. Say a landlord and tenant agree leases of two units as one overall deal. If the special successive-lease rule does not apply, the legislation may still combine the rent values of the linked leases for SDLT purposes.
- Check renewals before treating them as stand-alone leases.
- Read the old lease as well as the new one.
- Keep records of negotiations for a claimed fresh start.
- Ask whether the parties are connected.
- Review leases of different properties that the parties agreed in one bargain.
- Work out the rent value for every linked lease before applying the SDLT calculation.
For linked leases with rent, the legislation combines their net present values. A net present value gives rent due over a lease term a statutory value today, so the calculation can account for payments that fall due across the full term. It is a statutory measure. SDLT then uses the combined figure and allocates the tax between the leases.
How to analyse it
Start with the paperwork and the timeline. A document’s label matters less than what the parties agreed and what actually happened.
- List every lease, agreement for lease and lease variation.
- Record the premises, start date, end date, term and rent for each one.
- Ask whether the leases cover the same or substantially the same premises.
- Ask whether one lease starts straight after an earlier one ends.
- Check whether an earlier lease set the rent or terms of a later lease.
- Decide whether there was one plan, one bargain or a series of dealings.
- Check whether the landlord and tenant are the same or connected.
- Consider whether the documents support a genuinely fresh arm’s-length negotiation.
- Check for special cases involving older pre-SDLT leases.
- Check whether the parties substantially performed an agreement for lease before the landlord granted the actual lease.
Do not skip the last two questions. The source says that a later lease may link with an earlier lease from before SDLT began. However, the source does not count the earlier lease for the special successive-lease treatment.
Likewise, where the parties substantially performed an agreement for lease and later entered into the actual lease, the legislation gives that sequence its own statutory treatment. The rules for the agreement generally deal with the actual lease, instead of treating it simply as another successive lease in the series. That treatment controls.
Example
Sam takes a three-year lease of a shop. The lease provides that, if Sam renews it, the rent for the next period will remain at the same level instead of being reset through fresh negotiations. The wording matters. At the end of the three years, Sam takes a further two-year lease of the same shop from the same landlord.
HMRC’s manual indicates that this is likely to be a linked series. Signing two leases does not settle the matter. For the special rule, SDLT instead treats the arrangement as one five-year lease, using rent from both periods.
Now change one fact. The first lease ends with no renewal right. Months later, the landlord markets the shop again and Sam agrees a new lease after fresh talks on rent and terms. That may support the view that the new lease is not linked. The documents and evidence would matter.
Why this can be difficult in practice
Often, the hard question is whether a renewal was truly new. A lease can expire naturally, yet the parties may still have planned its replacement from the start. Equally, the same tenant returning does not automatically prove a pre-planned series.
What actually decides it? The facts around the deal: the lease wording, communications, timing, rent discussions and the relationship between the parties.
- Calling a document a new lease does not make it a new SDLT arrangement.
- An expired earlier lease does not by itself prove that the next lease is separate.
- A renewal clause or pre-set rent can point towards a linked series.
- Connected companies can be treated in the same way as the original parties.
- Leases of separate properties can be linked if the parties agreed them as one bargain.
- A rent increase in the first five years can itself be treated as a new lease in some cases.
That last point has a limit. The source says this rent-increase treatment joins the original lease only where, as a matter of fact, the two are linked.
Key takeaways
- A lease renewal may be linked with the original lease for SDLT.
- Successive linked leases of the same premises are treated as one lease.
- Fresh arm’s-length negotiations need clear evidence.
- Leases agreed as one bargain can be linked even where they cover different properties.
Technical analysis
For advisers, and for anyone who wants to check the law behind this page. You do not need this section to understand the guidance above.
Legislation
- FA 2003 section 108 — when land transactions are linked for SDLT
- FA 2003 Schedule 5 para 2 — calculating SDLT on rent under linked leases
- FA 2003 Schedule 17A para 5 — treatment of successive linked leases as one lease
- FA 2003 Schedule 17A para 12A — agreement for lease treated as a lease
- FA 2003 Schedule 17A para 13 — rent increase treated as a new lease
- FA 2003 Schedule 19 para 7 — excluding pre-SDLT transactions from successive lease treatment
Official guidance
The pages below are HMRC’s guidance. Guidance is not law. It sets out how HMRC reads the legislation, and it is not binding on you, on a tribunal or on a court. Where guidance and the legislation differ, the legislation wins. HMRC can also change or withdraw guidance, and it may not cover your facts.
Where this is not settled
- The line between a genuine new negotiation and a planned renewal can depend on the documents, timing and dealings between the parties.
- The supplied legislation is current only to 17 November 2025. The position for a transaction after that date must be checked against the current legislation.
Evidence you would need
This kind of case is decided on the facts of the individual property. These are the records that usually settle it, and the ones an adviser would ask you for.
- The original lease and every renewal or replacement lease
- Any break, renewal or rent-setting clauses
- Letters, emails and heads of terms showing how the new lease was agreed
- Dates when each lease ended and the next one began
- Details of any connection between the landlord and tenant
- Rent figures and the terms covered by each lease
Explore this with an AI
Readers often want to test their own situation. Copy the prompt below into ChatGPT, Claude or Gemini. It hands the model the actual legislation for this page rather than letting it answer from memory, and tells it to be explicit about what is uncertain. What comes back is information, not advice – check it against the links above.
I am researching UK Stamp Duty Land Tax (SDLT), which applies in England and Northern Ireland. MY QUESTION Linked leases and stamp duty: when separate leases are treated as one [Replace this with your own situation: what you are buying, the price, the dates, who the buyer is, and what you plan to do with the property.] THE LAW THIS TURNS ON - FA 2003 section 108 - when land transactions are linked for SDLT https://www.legislation.gov.uk/ukpga/2003/14/section/108/2025-11-17 - FA 2003 Schedule 5 para 2 - calculating SDLT on rent under linked leases https://www.legislation.gov.uk/ukpga/2003/14/schedule/5/paragraph/2/2025-11-17 - FA 2003 Schedule 17A para 5 - treatment of successive linked leases as one lease https://www.legislation.gov.uk/ukpga/2003/14/schedule/17A/paragraph/5/2025-11-17 - FA 2003 Schedule 17A para 12A - agreement for lease treated as a lease https://www.legislation.gov.uk/ukpga/2003/14/schedule/17A/paragraph/12A/2025-11-17 - FA 2003 Schedule 17A para 13 - rent increase treated as a new lease https://www.legislation.gov.uk/ukpga/2003/14/schedule/17A/paragraph/13/2025-11-17 - FA 2003 Schedule 19 para 7 - excluding pre-SDLT transactions from successive lease treatment https://www.legislation.gov.uk/ukpga/2003/14/schedule/19/paragraph/7/2025-11-17 Guidance page from HMRC on this topic (guidance, not law): https://www.gov.uk/hmrc-internal-manuals/stamp-duty-land-tax-manual/sdltm17035 HOW I WANT YOU TO ANSWER 1. Work from the legislation above. Read it before answering. Guidance from HMRC is its view of the law, not the law, and does not bind a tribunal or a court. 2. Tell me what the rule actually requires, in plain English. 3. Tell me which facts decide the answer, and which facts would change it. 4. Tell me what evidence I would need to support the position. 5. Be explicit about anything unsettled or fact-sensitive. Do not guess. 6. Your training data has a cutoff and SDLT rates and reliefs change at fiscal events. Say so if you are not sure the law is current. POINTS ALREADY KNOWN TO BE UNCERTAIN ON THIS TOPIC - The line between a genuine new negotiation and a planned renewal can depend on the documents, timing and dealings between the parties. - The supplied legislation is current only to 17 November 2025. The position for a transaction after that date must be checked against the current legislation. Do not give me a conclusion you cannot support from the provisions above.
Legislation links show Finance Act 2003 as it stood on 2025-11-17. The law may have changed since, and the rules that apply are those in force on the date of your transaction. The official guidance this page is based on is here.
This page was last updated on 1 September 2026
Useful article? You may find it helpful to read the original guidance here: Linked leases and stamp duty: when separate leases are treated as one
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