Stamp Duty Land Tax: Five-Year Rent Reviews and Scottish Tax Changes

SDLT treatment of leases with five-year rent reviews

For SDLT on leases, tax on the rent depends on whether future rent is known when the lease is granted. A five-year rent review does not automatically create a problem, but if the reviewed rent cannot be worked out at the start, it may be treated as variable or uncertain rent and the SDLT calculation may need to use special rules rather than a simple fixed rent schedule.

• The key question is whether the future rent is ascertainable at the effective date of the lease, not just whether the lease includes review dates.
• If rent after a five-year review depends on open market value or another figure not known at grant, SDLT may need to be calculated under the rules for variable or uncertain rent.
• A lease can still have review dates without creating uncertainty if the drafting gives a clear formula or fixed pattern that makes later rent known from the outset.
• Any SDLT review should consider rent separately from other chargeable consideration, such as a premium paid for the lease.
• The HMRC material is brief and archived, so it should be read alongside the SDLT legislation rather than as a complete statement of the law.
• For Scottish land transactions from April 2015 onwards, SDLT does not apply; LBTT applies instead.

Scroll down for the full analysis.

SDLT and five-year rent reviews: how variable or uncertain rent is treated

This page is about a narrow but important SDLT point for leases: what happens when the rent is variable or uncertain because it is reviewed every five years. This matters because SDLT on leases can depend on the rent payable, and uncertainty about future rent can affect how the tax is calculated.

What this rule is about

For SDLT, leases are taxed partly by reference to the rent payable over the term. Problems arise where the rent is not fixed from the start. A common example is a lease with rent reviews at set intervals, such as every five years. In that situation, the future rent may not be known when the lease is granted.

The source material sits within HMRC’s guidance on variable or uncertain rent. Its focus is not all rent review clauses generally, but specifically five-year rent reviews and how they fit into the SDLT calculation rules for rent.

What the official source says

The official source identifies five-year rent reviews as part of the SDLT rules on variable or uncertain rent. It appears in HMRC’s manual on calculating SDLT for rent under a lease.

The source page itself is archived and very brief. It also notes that, from April 2015, SDLT no longer applies to land transactions in Scotland, which are instead subject to Land and Buildings Transaction Tax.

That means the page is relevant to SDLT transactions, and historically to Scottish transactions before LBTT replaced SDLT there. It should not be read as current guidance for post-April 2015 Scottish land transactions.

What this means in practice

If a lease contains five-year rent reviews, the rent may be treated as variable or uncertain for SDLT purposes if the amount payable after review is not fixed when the lease is granted. The practical issue is how to calculate the tax when later rent figures depend on future review machinery rather than a known schedule written into the lease from the outset.

In practice, the key question is whether the lease gives you a known rent pattern at the effective date of the transaction, or whether part of the rent can only be established later. If it can only be established later, SDLT may need to be calculated using the rules for uncertain or variable rent rather than simply adding up fixed known amounts.

This matters because lease SDLT returns may need to reflect an estimate or statutory treatment of uncertain rent at the outset, and later events may require the position to be revisited depending on the applicable rules in force for that type of uncertainty.

How to analyse it

When looking at a lease with five-year rent reviews, it helps to work through the issue in stages.

• First, identify whether SDLT is the correct tax regime. For Scottish transactions from April 2015 onwards, the relevant tax is LBTT, not SDLT.
• Second, check whether the lease rent is actually fixed from the outset. A lease may contain review dates but still provide a formula that makes the future rent ascertainable.
• Third, if the reviewed rent is not known at grant, ask whether the uncertainty affects the SDLT rent calculation at the effective date.
• Fourth, separate the rent question from other SDLT elements, such as any premium. The rent rules do not replace the need to consider chargeable consideration as a whole.
• Fifth, check whether the lease terms and the timing of reviews could trigger later compliance consequences under the SDLT lease rules.

The main analytical point is that a five-year review clause is not important merely because it exists. What matters is whether it leaves the future rent unknown or variable for SDLT purposes.

Example

A tenant takes a 15-year lease. The rent for the first five years is fixed. After that, the lease says the rent will be reviewed to the open market rental value at year 5 and again at year 10. At the date the lease is granted, nobody knows what the market rent will be at those later dates.

In that situation, the rent after each review point is not fixed at the outset. The SDLT analysis therefore needs to consider the rules for variable or uncertain rent, rather than treating the whole 15-year rent stream as known from day one.

Why this can be difficult in practice

The difficulty is often not the existence of a review clause, but classifying what kind of uncertainty it creates. Some leases state a clear stepped rent. Others use a formula, index, turnover measure, or market review mechanism. The legal and tax treatment can differ depending on whether the future rent is truly uncertain, merely variable under a known formula, or effectively fixed by the drafting.

Another practical difficulty is that HMRC manual material is guidance, not legislation. It is useful for understanding HMRC’s approach, but the legal answer must still come from the SDLT legislation applied to the lease terms.

The source here is also sparse and archived. That means it should be read as part of the wider SDLT framework on lease rent, not as a complete statement of all consequences by itself.

Key takeaways

• A five-year rent review can make lease rent variable or uncertain for SDLT purposes if later rent is not known when the lease is granted.
• The real issue is whether future rent is ascertainable at the outset, not simply whether the lease contains review dates.
• This archived HMRC material relates to SDLT and is not the post-April 2015 regime for Scottish land transactions, which fall under LBTT.

This page was last updated on 24 March 2026

Useful article? You may find it helpful to read the original guidance here: Stamp Duty Land Tax: Five-Year Rent Reviews and Scottish Tax Changes

View all HMRC SDLT Guidance Pages Here