Linked Leases: Single Scheme Calculation for SDLT Archived from April 2015

SDLT on linked leases in a single scheme

Where two or more leases are part of one overall deal, SDLT may need to be worked out using the linked transaction rules rather than by looking at each lease separately. The key issue is whether the leases form part of a single scheme, arrangement or series of transactions. This can change the amount of tax due, so the full factual and commercial background must be reviewed. The guidance is also limited in scope, as Scottish land transactions from April 2015 onwards are generally covered by LBTT instead of SDLT.

• Linked leases cannot always be taxed in isolation if they are part of one connected overall arrangement.
• The test is based on the real substance of the transactions, not just separate documents or different completion dates.
• Warning signs include leases granted at the same time, involving the same or connected parties, or forming part of one commercial plan.
• A proper review should identify all related land transactions and consider whether they are factually and commercially linked.
• The archived HMRC guidance remains relevant for England and Northern Ireland, and for older Scottish transactions before LBTT replaced SDLT.

Scroll down for the full analysis.

SDLT and linked leases in a single scheme: how the tax calculation works

This page is about a narrow SDLT rule for leases that are linked because they form part of a single scheme, arrangement or series of transactions. The source material is brief, but the practical point is important: where leases are linked, you may not be able to look at each lease in isolation when working out SDLT. The linked transaction rules can change how the tax is calculated.

What this rule is about

SDLT contains special rules for linked transactions. These rules are designed to stop transactions that are really connected from being taxed as if they were separate and unrelated.

In the lease context, the issue is whether two or more leases are linked because they are part of a single scheme, arrangement or series of transactions. If they are, the SDLT calculation may need to take the linked nature of the leases into account rather than treating each lease as a standalone deal.

The archived source page sits within HMRC’s SDLT manual on linked leases and single schemes. It also notes that, from April 2015, SDLT no longer applies to land transactions in Scotland. Scottish transactions from that point fall under Land and Buildings Transaction Tax instead.

What the official source says

The official source identifies the topic as the calculation of SDLT where leases are linked and form part of a single scheme. Although the extracted text is only a heading and archive note, the legal significance is that HMRC treats linked leases as a distinct calculation issue within the wider linked transaction rules.

The archive note matters because it limits the current territorial scope of the guidance. SDLT remains relevant for England and Northern Ireland, and for older Scottish transactions before LBTT replaced SDLT there. It is not current guidance for post-April 2015 Scottish land transactions.

What this means in practice

If a person enters into more than one lease, or a lease is granted alongside other connected land transactions, the first question is not just “what are the terms of this lease?” It is also “is this lease linked to something else?”

If the leases are linked as part of a single scheme or arrangement, the SDLT calculation may be affected because the legislation looks at the connected overall position rather than each lease in a vacuum.

In practical terms, this means conveyancers and taxpayers should be cautious where:

• multiple leases are granted at the same time or close together,
• the same parties, or connected parties, are involved,
• the transactions appear commercially interdependent, or
• the documentation suggests one overall development, funding, occupation or restructuring plan.

The fact that there are separate documents, separate units, or separate completion dates does not automatically prevent the transactions from being linked. The real question is whether they form part of a single scheme, arrangement or series.

How to analyse it

A sensible way to approach the issue is:

• Identify all relevant land transactions, not just the lease you are currently reviewing.
• Ask whether there is a factual connection between them beyond coincidence.
• Look for evidence of a single commercial plan, coordinated steps, or mutual dependence.
• Check whether the transactions involve the same buyer or tenant, the same seller or landlord, or connected persons.
• Only then move to the SDLT calculation, taking account of the linked transaction rules if they apply.

This is important because the tax result can differ significantly depending on whether the leases are treated as linked. The calculation point is not just administrative. It can affect the amount of SDLT due.

The archive note also means you should confirm which tax regime applies before relying on SDLT guidance. For Scottish land transactions from April 2015 onwards, the relevant legislation is LBTT, not SDLT.

Example

Illustration: a business agrees, as part of one negotiated package, to take leases of several units on the same development. The leases are documented separately and may complete on different dates, but they were all contemplated as part of one overall deal. In that situation, it would be necessary to consider whether the leases are linked as part of a single scheme or arrangement before calculating SDLT. You would not assume that each lease can automatically be taxed in complete isolation.

Why this can be difficult in practice

The main difficulty is that “single scheme, arrangement or series of transactions” is a factual concept. It depends on the real substance of what has been agreed and carried out, not just the form of the paperwork.

That can make borderline cases difficult. Transactions may be connected in a commercial sense without it being obvious whether they are linked for SDLT purposes. Equally, transactions that happen around the same time are not necessarily linked just because they involve the same property group or business relationship.

The source material provided here is very limited, so it does not set out the full statutory mechanics or examples. In practice, the answer will usually depend on the detailed facts, the transaction documents, and the wider arrangement between the parties.

Key takeaways

• For SDLT, leases may need special treatment if they are linked as part of a single scheme, arrangement or series of transactions.
• You should analyse the overall factual and commercial arrangement, not just each lease document on its own.
• The HMRC page is archived and does not apply to Scottish transactions from April 2015 onwards, which fall under LBTT instead.

This page was last updated on 24 March 2026

Useful article? You may find it helpful to read the original guidance here: Linked Leases: Single Scheme Calculation for SDLT Archived from April 2015

View all HMRC SDLT Guidance Pages Here