US Citizens Buying UK Property: SDLT, the Non-Resident Landlord Scheme and CGT Explained
US citizens buying UK property face the 2% non-resident SDLT surcharge, NRL Scheme withholding and 60-day CGT reporting. Our guide explains each step.
Why cross-border property ownership needs its own tax plan
Growing numbers of US citizens are buying homes and investment property in England and Northern Ireland, whether to relocate, to house family members studying in the UK, or as a long-term investment. Because the UK and US both tax based on different (and sometimes overlapping) rules, a purchase that looks straightforward on paper can trigger reporting obligations on both sides of the Atlantic.
This guide sets out the three UK tax touchpoints that matter most at each stage of ownership — buying, letting, and selling — and flags where UK and US rules interact. It is general guidance rather than advice on your specific position; see the note at the end on next steps.
1. Buying: the 2% non-UK resident SDLT surcharge
Since 1 April 2021, anyone buying residential property in England or Northern Ireland who does not meet the UK's residence test pays an additional 2% Stamp Duty Land Tax surcharge, on top of the standard rates, the additional-dwelling surcharge and company rates where they apply.
Residence for this test is based on physical presence, not citizenship or visa status. An individual buyer is treated as non-UK resident in relation to the transaction if they were not present in the UK for at least 183 days in the 12 months before completion. The surcharge applies even if the buyer intends to live in the property, and even on a first purchase.
If a buyer subsequently spends 183 days or more in the UK within a continuous 365-day period falling inside a defined two-year window around completion, the surcharge can be reclaimed by amending the SDLT return within two years of the effective date.
Married couples and civil partners buying together are assessed jointly — if either partner is UK resident in relation to the transaction, both are. The SDLT return itself is due within 14 days of completion, regardless of residence status.
2. Letting: the Non-Resident Landlord Scheme
If the property is let out while the owner lives in the US, the Non-Resident Landlord (NRL) Scheme normally applies. Under the scheme, UK letting agents — or tenants paying more than £100 a week in rent directly to a landlord with no UK agent — must deduct basic-rate tax from the rental income before passing the balance to the landlord, and account for it to HMRC quarterly.
An individual landlord can apply on form NRL1 for approval to receive rent gross, with UK tax settled instead through Self Assessment. Approval does not remove the underlying UK tax liability on the rental profit — it only changes who is responsible for paying it and when.
Non-resident landlords remain liable to UK Income Tax on UK rental profits in the normal way, calculated after allowable expenses such as letting agent fees, repairs, insurance and (subject to the usual restrictions) mortgage interest relief.
3. Selling: the 60-day Capital Gains Tax reporting deadline
Non-UK residents must report every disposal of UK land or property to HMRC, even if the sale produces a loss, no tax is due, or the owner is already registered for Self Assessment. This applies to both direct disposals of UK property and, in some cases, indirect disposals of shares or interests in property-rich entities.
For completions on or after 27 October 2021, the UK Property return and any Capital Gains Tax due must be filed within 60 days of completion — well before the following Self Assessment deadline. Missing the window can trigger penalties and interest even where the eventual liability is nil.
Individuals retain access to the annual Capital Gains Tax exempt amount, and Private Residence Relief may reduce or eliminate the charge where the property was genuinely the owner's only or main home for part of the ownership period. Non-resident companies instead pay Corporation Tax on UK property gains and report them via the Corporation Tax return.
Don't forget the US side of the picture
US citizens and green card holders are taxed by the IRS on worldwide income and gains regardless of where they live, so UK rental profits and any gain on sale will usually also need to be reported in the US. The US-UK income tax treaty and the US foreign tax credit are designed to relieve double taxation, but the mechanics rarely line up neatly: the two countries compute gains differently, tax years and reporting deadlines don't match, and holdings such as UK investment funds can trigger complex US PFIC reporting.
UK bank or mortgage accounts connected to the property may also need to be disclosed on FBAR and FATCA filings. Because the UK and US rules were not designed to work together, cross-border property purchases are best planned with UK and US advisers working from the same set of facts before completion — not after.
Frequently asked questions
Does the 2% SDLT surcharge apply if I intend to live in the property myself?
Can my UK letting agent pay me rent without deducting tax?
Do I still need to report a UK property sale if I made a loss?
If I pay UK tax on the sale, will I avoid US tax on the same gain?
Planning a UK property purchase from the US?
Our chartered tax advisers work alongside US-side accountants to plan SDLT, Non-Resident Landlord Scheme registration and CGT reporting before you exchange contracts.
Speak to a property tax specialist