UK Stamp Duty Land Tax Planning for Non-Residents and International Investors

Stamp Duty Land Tax (SDLT) is payable on the purchase of land and property in England and Northern Ireland (Scotland has Land and Buildings Transaction Tax; Wales has Land Transaction Tax). For internationally mobile investors and non-resident purchasers, SDLT is a significant transaction cost — and one that has grown substantially in recent years as successive governments have layered additional surcharges on non-resident and higher-rate buyers.

As of 2026, a non-resident purchaser of a second residential property in England may face an SDLT rate of up to 17% on the portion of the purchase price above £1.5 million. Understanding the rules and the available planning options is essential before committing to a UK property purchase.

Standard SDLT Rates for Residential Property (2026)

SDLT on residential property is charged on a slice system:

First-time buyers benefit from a nil rate on the first £300,000, and 5% on the slice from £300,001 to £500,000, with no relief available at all where the purchase price exceeds £500,000 (and subject to other conditions). The temporary thresholds that briefly set the nil rate at £425,000 with relief available up to £625,000 expired on 31 March 2025, as did the temporary £250,000 standard nil-rate band.

The Higher Rates for Additional Dwellings (HRAD)

Where the purchaser already owns one or more residential properties anywhere in the world (with limited exceptions), the Higher Rates for Additional Dwellings (HRAD) — commonly referred to as the "3% surcharge" though it has effectively been 5% from October 2024 — applies to the entire purchase. As of 2026, HRAD adds 5 percentage points to each SDLT band.

This catches many internationally mobile individuals: owning a property in France, Dubai, or Singapore means that a UK property purchase is a "second property" for HRAD purposes, even if you are not UK-resident.

There are reliefs: if the HRAD property becomes the purchaser's main residence and they sell their previous main residence within three years, the HRAD can be reclaimed. This "replacement of main residence" relief is relevant for expats returning to the UK who buy before selling an overseas home.

The Non-Resident Surcharge

From 1 April 2021, non-residents purchasing residential property in England and Northern Ireland pay an additional 2% SDLT surcharge on top of standard rates (and HRAD where applicable).

A "non-resident" for SDLT purposes is broadly an individual who was not present in the UK for at least 183 days in the 12 months before the transaction. The test is applied differently from the income tax SRT — it is a straightforward day count in the previous 12 months, not the full SRT analysis.

Combined rates for a non-resident additional property purchaser:

• Standard rate + HRAD (5%) + Non-resident surcharge (2%) = rates up to 19% at the top slice

This makes a material difference on high-value purchases. A non-resident buying a £3 million London flat as a second property would pay SDLT of approximately £483,750 at the combined rates (standard £273,750 + 5% HRAD £150,000 + 2% non-resident surcharge £60,000) — compared with approximately £273,750 for a UK-resident buyer purchasing the same property as their only home (first-time buyer relief is not available above £500,000).

Planning Strategies for Non-Resident Purchasers

1. Timing purchases around the non-resident day count

The non-resident surcharge is determined by day count in the 12 months before purchase. An individual who has spent more than 183 days in the UK in the preceding 12 months is not a non-resident for SDLT purposes and avoids the 2% surcharge. For individuals who are moving back to the UK or spending significant time here, timing the purchase to fall after accumulating sufficient UK days can save 2% on the full purchase price.

2. Jointly purchasing with a UK-resident

The non-resident surcharge applies where any purchaser in a joint purchase is non-resident. If only one of two purchasers is non-resident, the surcharge still applies to the entire transaction. This limits the use of joint purchase as a planning tool, but it is worth confirming residence status for both buyers. In a couple where one partner has spent significantly more time in the UK than the other, it is a mistake to assume the "more UK-based" partner's day count protects the purchase — the test looks at each named purchaser individually, and the presence of even one non-resident buyer on the title brings the whole transaction within the surcharge. Where residence status is genuinely close to the 183-day threshold, resolving that question with a proper day count before exchange is more valuable than any structuring around joint ownership.

3. Commercial property — no non-resident surcharge

The non-resident surcharge applies only to residential property. Commercial property (offices, retail, industrial) is subject to standard SDLT rates and does not attract the 2% non-resident surcharge, nor HRAD. For investment-focused buyers, commercial property represents a lower SDLT burden.

4. Mixed-use property

Where a property qualifies as "mixed use" — containing both residential and commercial elements — it is subject to SDLT at non-residential rates (maximum 5%) rather than residential rates. The non-resident surcharge does not apply to non-residential transactions. Farms with cottages, commercial properties with a flat above, or buildings in commercial use (subject to conditions) may qualify as mixed use. HMRC scrutinises mixed-use claims and the criteria must be met genuinely.

5. Multiple Dwellings Relief

Where a purchaser acquires multiple dwellings in a single transaction or linked transactions, Multiple Dwellings Relief (MDR) may be available. MDR divides the total consideration by the number of dwellings and applies SDLT to each notional individual consideration, often resulting in a lower effective rate than treating the portfolio as a single purchase. MDR must be claimed on the return.

Note: the government announced a consultation on MDR in 2024; the position as of 2026 should be verified with current guidance.

6. Corporate Ownership — ATED Interaction

Purchasing through a company avoids personal SDLT exposure in the buyer's name, but corporate purchasers pay the standard residential SDLT rates (with HRAD) and may trigger Annual Tax on Enveloped Dwellings (ATED) — a separate annual charge on high-value residential properties held by companies. The ATED position must be modelled alongside SDLT when considering corporate ownership.

The scale of the ATED charge is central to whether corporate ownership makes sense in the first place, because unlike SDLT it is not a one-off transaction cost but a running annual liability for as long as the property stays in corporate hands. For the 2026/27 charging year, the annual charge starts at £4,600 for a property valued between £500,001 and £1 million, rising to £9,400 for the £1 million to £2 million band and £31,900 for £2 million to £5 million, with correspondingly higher charges above that. Reliefs can reduce the charge to nil where the property is genuinely let commercially or held for development, but they must be actively claimed and maintained rather than assumed. See our full guide to ATED for offshore property structures for the complete rate table and reliefs available.

7. Refund Claims

Where circumstances change after purchase — for example, an individual sells a previous main residence within three years of buying the new property — a refund of HRAD can be claimed from HMRC. The refund claim must be made within 12 months of the sale of the previous main residence or within 12 months of the filing date for the SDLT return (whichever is later).

SDLT on Non-Residential and Commercial Property

For commercial and mixed-use property, the rates are:

No non-resident surcharge and no HRAD applies to non-residential transactions.

SDLT Filing and Payment

SDLT returns must be filed and tax paid within 14 days of completion. The conveyancing solicitor typically handles the return and payment on behalf of the buyer, but the obligation is the buyer's and responsibility for accuracy remains with the purchaser. This matters in practice because the solicitor's role is administrative rather than advisory on questions like non-resident status or HRAD eligibility — a solicitor will generally ask the buyer to confirm residence position and prior property ownership rather than independently establish the facts, so an inaccurate answer to those questions produces an inaccurate return that HMRC can later challenge against the purchaser, not the solicitor who filed it.

HMRC can investigate SDLT returns for up to four years from the return date, or 20 years in cases of fraud. Penalties for incorrect returns can be up to 100% of the SDLT underpaid.

Scotland and Wales

For properties in Scotland, Land and Buildings Transaction Tax (LBTT) applies at different rates and thresholds, with an Additional Dwelling Supplement (ADS) of 6% (as of 2026). Wales has Land Transaction Tax (LTT) with its own rates and a Higher Residential Rates surcharge of 4%. There is no non-resident surcharge in Scotland or Wales specifically, but the ADS and HRR apply to additional property purchases regardless of residence.

How Global Investments Can Help

Global Investments advises international property investors on the SDLT implications of UK property acquisitions, including residence status assessment, HRAD and non-resident surcharge analysis, mixed-use property opportunities, and corporate versus personal ownership modelling. We coordinate with specialist property solicitors to ensure SDLT returns are correct and all available reliefs are claimed. This guide reflects the position as of 2026; SDLT rates and rules are subject to change. Professional advice specific to your transaction is essential before commitment.