Stamp Duty Land Tax: Higher Rate for Non-Natural Persons, Transitional Provisions Explained

SDLT transitional rules for non-natural persons when the threshold fell to £500,000

These transitional rules decide whether certain non-natural persons buying residential property can still use the old SDLT higher-rate threshold of £2 million after the threshold was reduced to £500,000. The key date is 20 March 2014. A contract made before that date may keep the old threshold, but only if no disqualifying event happened on or after that date.

• The rules apply only to the special SDLT higher-rate charge for certain non-natural persons acquiring residential property.
• The old £2 million threshold is generally preserved where the contract was entered into before 20 March 2014, including where it was substantially performed before that date.
• The protection is lost if, on or after 20 March 2014, there is a contract variation, an assignment of rights, an option or pre-emption exercise, or a sub-sale or similar transaction giving another person the right to call for the conveyance.
• If the protection is lost, the newer £500,000 threshold may apply instead.
• In partnership deemed transaction cases under Schedule 15 FA 2003, the old threshold can still apply if the effective date of the partnership’s acquisition was before 20 March 2014.
• In practice, you must review the full legal history of the deal, not just the completion date, because later changes can affect which threshold applies.

Scroll down for the full analysis.

SDLT higher rate for certain non-natural persons: transitional rules when the threshold fell from £2 million to £500,000

This page explains a narrow but important SDLT transitional rule. It deals with the higher rate charge on residential property bought by certain non-natural persons, and in particular what happens when the value threshold was reduced from £2 million to £500,000. The key question is whether an older contract can keep the old £2 million threshold, or whether later changes mean the newer £500,000 threshold applies instead.

What this rule is about

The source material concerns the special SDLT higher rate charge that can apply to acquisitions of residential property by certain non-natural persons. The page is not setting out the whole regime. It is dealing only with the transitional provisions introduced when the entry threshold for that higher rate was lowered.

Before the change, the higher rate charge was triggered only for transactions above £2 million. The rule then changed so that the threshold became £500,000. Transitional rules were needed to decide which threshold applies where a transaction straddled the changeover date.

The main date is 20 March 2014. Broadly, some transactions linked to contracts made before that date can still use the old £2 million threshold. But that protection is lost if certain later events happen.

What the official source says

The official material says that the old £2 million threshold is preserved in two broad situations:

• where a contract was entered into and substantially performed before 20 March 2014, or
• in any other case, where a contract was entered into before 20 March 2014, unless one of the specified disqualifying events happens on or after that date.

The specified events that prevent the old threshold from being retained are:

• a variation of the contract, or an assignment of rights under the contract, on or after 20 March 2014
• the transaction being effected because an option, right of pre-emption, or similar right is exercised on or after 20 March 2014
• an assignment, sub-sale, or other transaction on or after 20 March 2014 affecting all or part of the subject matter of the contract, so that someone other than the original purchaser becomes entitled to call for a conveyance

The source also deals with a specific deemed land transaction under Schedule 15 to Finance Act 2003, involving a transfer of a partnership interest or a withdrawal of money from a partnership following an acquisition by the partnership. In that case, the old £2 million threshold continues to apply if the effective date of the partnership’s acquisition was before 20 March 2014.

What this means in practice

The practical effect is that simply having an old contract is not always enough. You need to ask not just when the contract was made, but also whether anything happened on or after 20 March 2014 that breaks the transitional protection.

If the contract was entered into before 20 March 2014 and nothing relevant changed afterwards, the transaction may still be tested against the old £2 million threshold. That matters because a residential acquisition by a relevant non-natural person worth more than £500,000 but less than £2 million might fall outside this higher rate charge under the transitional rule.

But if the contract was varied after 20 March 2014, or rights under it were assigned, or the deal proceeded because an option or similar right was exercised after that date, the transaction may lose the benefit of the older threshold. In that case, the newer £500,000 threshold becomes relevant.

This is therefore a timing and transaction-structure question. It is not enough to look only at completion.

How to analyse it

A sensible way to approach the issue is to work through the following questions:

• Is the transaction one that falls within the special higher rate regime for certain non-natural persons acquiring residential property?
• What was the date the contract was entered into?
• Was the contract substantially performed before 20 March 2014?
• If not, was the contract at least entered into before 20 March 2014?
• On or after 20 March 2014, was there any variation of the contract?
• On or after 20 March 2014, was there any assignment of rights under the contract?
• Did the transaction happen because an option, right of pre-emption, or similar right was exercised on or after 20 March 2014?
• Was there any assignment, sub-sale, or other later transaction that meant someone other than the original purchaser became entitled to call for the conveyance?
• If this is a partnership case under the deemed transaction rules, what was the effective date of the partnership’s original acquisition?

The legal analysis turns heavily on those facts. The transitional protection survives only if the case fits within the preservation rule and avoids the listed disqualifying events.

Example

Illustration: a company exchanged contracts to buy a residential property for £1.2 million on 1 February 2014. Completion took place later. If the contract was not varied, no rights were assigned, and there was no option exercise or sub-sale falling within the listed events on or after 20 March 2014, the old £2 million threshold may still apply under the transitional rule.

By contrast, if after 20 March 2014 the buyer’s rights under that contract were assigned to another company, or the contract was varied in a way that falls within the rule, the transaction may cease to benefit from the old threshold and instead be tested against the £500,000 threshold.

This example only illustrates the transitional threshold point. Whether the higher rate charge applies at all still depends on the wider rules for acquisitions by certain non-natural persons.

Why this can be difficult in practice

The source material is concise, but the underlying facts can be messy.

One difficulty is identifying whether something amounts to a variation of the contract for these purposes. Not every post-contract event is necessarily irrelevant, but the source page does not define the full boundaries. The exact legal effect of amendments, side letters, or revised completion arrangements may need careful analysis.

Another difficulty is working out whether a later step is merely administrative or whether it is an assignment, sub-sale, or other transaction that gives a different person the right to call for the conveyance. In property transactions, the chain of contractual rights can matter as much as the final transfer deed.

Option and pre-emption cases can also be fact-sensitive. The transitional rule focuses on when the relevant right was exercised, not just when the original agreement creating that right came into existence.

Partnership cases add another layer, because the source refers to deemed land transactions under Schedule 15 rather than ordinary conveyancing steps. In those cases, the critical date is the effective date of the partnership’s acquisition.

So although the rule looks like a simple date test, it often depends on the detailed legal history of the transaction.

Key takeaways

• The transitional rule preserves the old £2 million threshold for some pre-20 March 2014 contracts.
• That protection can be lost if there is a later variation, assignment, option exercise, sub-sale, or similar event on or after 20 March 2014.
• In partnership deemed transaction cases, the relevant question is whether the partnership’s acquisition had an effective date before 20 March 2014.

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: Higher Rate for Non-Natural Persons, Transitional Provisions Explained

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