Guide on Overlap Relief for Rent in Further Lease Cases

SDLT overlap relief on rent for a further lease

Overlap relief can reduce SDLT on rent where a later lease would otherwise bring the same rental value into charge again after an earlier lease. The key issue is not just whether there are two leases over the same property, but whether rent has already been taken into account for SDLT on the earlier lease and would otherwise be counted again on the further lease.

• SDLT on leases can apply to rent as well as any premium paid.
• Overlap relief is intended to stop the same rent, or the same rental period, being taxed twice.
• The relief is relevant where there is a further lease, such as after a surrender and regrant, a reversionary lease, or certain lease variations.
• You need to identify exactly what rent was already taken into account for SDLT on the earlier lease and compare it with the rent under the later lease.
• The rules are technical and fact-sensitive, so the result depends on the structure, timing, and SDLT treatment of both leases.

Scroll down for the full analysis.

SDLT overlap relief for rent on a further lease

This page explains the SDLT rules on “overlap relief” where a further lease is granted and rent from an earlier lease would otherwise be taxed again. The source material here is a contents page for HMRC’s guidance on that relief. Although the page itself is brief, the topic matters because SDLT on leases can involve tax on rent, and without a relieving rule the same rental value could be brought into charge more than once.

What this rule is about

SDLT on leases does not look only at any premium paid. It can also charge tax by reference to the rent due over the term of the lease. Problems can arise when there is a later lease over the same property, or substantially the same property, and the rent under the later lease overlaps with rent that has already been taken into account for SDLT on an earlier lease.

The purpose of overlap relief is to prevent double counting. In broad terms, it is aimed at cases where rent for a period has already been taxed under one lease and would otherwise be taxed again under a further lease.

What the official source says

The HMRC material provided is a navigation page within the SDLT manual headed “Reliefs and Exemptions: Rent overlap in case of further lease”. It points to HMRC’s detailed pages on:

• overlap relief generally
• how to identify the rent that has been taken into account
• a series of worked examples

That structure shows the key features of the topic:

• there is a specific relief for rent overlap
• the calculation depends on identifying what rent has already been brought into account
• the rule is practical and fact-sensitive enough that examples are needed

On the face of the source, the relief is concerned with a “further lease”. That points to a later lease transaction where there may be an overlap with an earlier lease for SDLT purposes.

What this means in practice

If a tenant takes a new lease after an earlier one, you should not assume SDLT on rent is calculated from scratch with no regard to the earlier transaction. One of the first questions is whether any part of the rent under the new lease relates to a period or interest that has already been reflected in an SDLT rent calculation on the earlier lease.

If so, overlap relief may reduce the amount of rent treated as chargeable on the later lease. The practical effect is to stop the same rental stream being taxed twice merely because the legal arrangement has been replaced, extended, regranted, or otherwise restructured through a further lease.

This matters most where:

• an existing lease is surrendered and replaced
• a reversionary lease is granted before the earlier lease has fully run out
• the parties vary their arrangements in a way that creates a further lease for SDLT purposes
• there are linked timing issues between the end of one lease and the start of another

The exact outcome depends on the underlying facts and on how the rent under both leases is treated under the SDLT lease rules.

How to analyse it

A sensible way to approach the issue is:

• Identify the earlier lease and the further lease.
• Work out whether SDLT on rent was, or should have been, calculated on the earlier lease.
• Identify what rent under the earlier lease was actually taken into account for SDLT purposes.
• Compare that with the rent that would be taken into account on the further lease.
• Ask whether the same rent, or the same rental period, is being counted again.
• If there is overlap, consider how the relieving rule adjusts the rent charge on the later lease.

The reference in the HMRC manual to “rent taken into account” is important. The question is not simply whether two leases exist over the same premises. The key issue is what rental amounts have already entered into the SDLT calculation. That can be a narrower and more technical exercise than just comparing headline rent figures.

Example

Illustration: a tenant is granted a lease and SDLT is calculated on the rent due over the relevant period. Before that arrangement has fully worked through, the parties enter into a further lease of the same premises. If part of the rent under the further lease economically covers a period already reflected in the SDLT calculation for the earlier lease, overlap relief may prevent that same rent from being charged again.

The precise calculation cannot be taken from the contents page alone, but the example shows the main point: the relief is aimed at duplicate SDLT charges on rent, not at reducing SDLT generally whenever there is a second lease.

Why this can be difficult in practice

The source material signals that this area needs multiple worked examples. That usually means the result depends heavily on the facts and on the mechanics of the SDLT lease calculation.

Common difficulties include:

• deciding whether the later arrangement is truly a “further lease” for SDLT purposes
• identifying the exact rental amounts already brought into account on the earlier transaction
• working out whether there is genuine overlap, rather than simply a new rent liability under a new lease
• dealing with lease variations, surrenders and regrants, or reversionary arrangements where the legal form is not straightforward

Another practical point is that HMRC manual guidance helps explain HMRC’s view, but the legal effect ultimately depends on the legislation. Where the facts are unusual, the statutory wording and the detailed computational rules matter.

Key takeaways

• Overlap relief is designed to prevent the same rent being taxed twice when there is a further lease.
• The critical question is what rent has already been taken into account for SDLT on the earlier lease.
• This is a technical, fact-sensitive area, so the exact SDLT result depends on the structure and timing of the leases involved.

This page was last updated on 24 March 2026

Useful article? You may find it helpful to read the original guidance here: Guide on Overlap Relief for Rent in Further Lease Cases

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