2 October 202616 min read

Avoid HMRC Queries: UK Residents & Expats' Overseas Rental Tax, FIG 4 Year

HMRC focused explainer for UK residents and expats: complete SA106 entries, claim FTCR or FIG relief, and use the checklist plus a short worked example.

Decorative overseas rental tax title card

UK residents are taxed on overseas rental income on the arising basis and must report it on Self Assessment using the SA106 foreign pages. This applies whether or not the money is brought into the UK. Before filing, gather proof of any foreign tax paid, since reliefs such as Foreign Tax Credit Relief and the FIG regime depend on it. Most landlords with a single overseas flat can handle this themselves, but mixed ownership structures often need specialist input.

TL;DR:
UK residents must report overseas rental income on Self Assessment using the SA106 foreign pages, regardless of whether the money is transferred to the UK.
From April 6, 2025, the remittance basis was abolished for residents, with the arising basis replacing it, except for qualifying new residents under the four-year FIG regime.
Foreign rental income and expenses need separate calculations for each property and country, supported by foreign tax documents, before filing deadlines.
Claiming Foreign Tax Credit Relief caps the UK tax credit at the lower of foreign tax paid or UK tax due, with double taxation agreements sometimes reducing withholding rates at source.
Using the cash basis for foreign property is allowed if total gross income is below 150,000 pounds, simplifying record-keeping for many individual landlords.

Who is liable: residence test, arising basis and scope

Liability to UK tax on foreign rents turns on residence, not on where the property sits or where the rent is paid. If you are resident in the UK for a tax year, HMRC expects you to declare worldwide income, including rent from a flat in Phuket or a villa near Dubai Marina, on the arising basis. That means the income is taxable as it arises, whether or not you transfer a penny of it to a UK bank account.

From 6 April 2025, this principle became even more central to how foreign income is taxed. The remittance basis, which previously let certain non-domiciled residents defer UK tax on foreign income until they brought it into the country, was abolished for residents from that date. In its place, HMRC introduced the foreign income and gains (FIG) regime, which allows qualifying new UK residents to claim relief on qualifying foreign income for their first four years of residence. Outside that narrow window, the arising basis applies in full, and overseas rents sit alongside your UK income on the same tax return.

Working out your residence status for a tax year is its own exercise, governed by the Statutory Residence Test, and HMRC's guidance on tax on foreign income sets out how residence interacts with reporting duties. A common misconception, flagged in HMRC's own consumer-facing material on offshore assets and income, is that keeping rental proceeds in an offshore account removes the obligation to declare them. It does not. Residence, not the location of the money, triggers the liability.

A separate set of rules applies if you are a landlord who is not UK resident but owns UK property, or if you leave the UK partway through a tax year. Those situations can trigger different filing or withholding obligations and fall outside the scope of straightforward overseas rental reporting.

In practice, three groups should pay close attention to this area:

UK residents who own a holiday let or investment flat abroad and receive rent directly into a foreign account.
Expats who have recently returned to the UK and may still be receiving rent from a property bought while living overseas.
New UK residents assessing whether the FIG regime's four-year window applies to their foreign rental profits.

How to report overseas rental income: SA106 pages F4/F5, boxes and supporting evidence

Overseas rental income is declared on the SA106 foreign pages, not on the standard UK property pages. HMRC treats foreign property as a separate business from any UK lettings you run, even where the arithmetic of income minus expenses looks identical.

The relevant entries sit on pages F4 and F5 of SA106, covering boxes 14 to 24.2. According to the SA106 notes for 2026, these boxes capture gross rents, allowable expenses, the property income allowance where claimed, and any finance cost carried forward from an earlier year. Each property you let abroad needs a country code entered against it, using HMRC's standard country list, and where you own several properties in different jurisdictions, the guidance requires separate profit or loss workings for each one before the totals are combined on the return.

A practical filing sequence looks like this:

Convert gross rent and expenses for each property into sterling, using a consistent exchange rate basis.
Calculate the profit or loss for each property separately, applying the same rules as for UK property income.
Enter the country code and figures for each property on SA106 pages F4 and F5.
Record any foreign tax paid on each property, ready for a Foreign Tax Credit Relief claim.
Retain supporting documents in case HMRC queries the figures later.

Keep separate profit and loss calculations for each foreign property and each foreign tax jurisdiction. HMRC expects the UK tax base to match the foreign tax base when Foreign Tax Credit Relief is claimed, and lumping several properties or countries together on one working makes that reconciliation far harder.

The documents worth keeping go beyond the tax return itself. HMRC's guidance on foreign income points to the need for separate calculations where foreign tax has been paid, which in practice means retaining foreign tax receipts or assessments, local rental accounts or statements from a managing agent, bank statements showing rent received, and evidence of the exchange rate applied to each transaction. Filing deadlines follow the normal Self Assessment timetable: 31 October for a paper return, 31 January for online filing and for paying any tax due. Overseas evidence can take weeks to arrive from abroad, so starting the paperwork early in the tax year, rather than in December, avoids a scramble.

Calculating taxable profit: allowable expenses, property income allowance and accounting choices

Taxable profit on a foreign let is worked out the same way as for a UK property business: rental income minus allowable expenses, property by property, then totalled across your overseas portfolio.

Allowable expenses typically include:

Letting agent and management fees paid to a local or UK-based agent.
Repairs and maintenance that keep the property in its existing condition, rather than improving it.
Insurance premiums covering the let property.
Ground rent, service charges or local property taxes directly tied to the letting.
Accountancy fees for preparing the foreign property accounts.

Landlords with modest foreign rental income can instead claim the £1,000 property income allowance in place of itemising expenses. This choice is binary: claiming the allowance means you give up the right to deduct any actual costs against that income for the year. For a landlord with real expenses above £1,000, itemising almost always produces a lower tax bill, and advisers frequently note that the allowance gets claimed out of convenience when it should not be.

Pro Tip: Run the sums both ways before you file: compare your actual deductible expenses against the £1,000 allowance, and only claim the allowance if your real costs come in lower.

On accounting method, the SA106 guidance confirms that the cash basis is available where your total gross income from all foreign property does not exceed £150,000 in the tax year. Under the cash basis, you record income when received and expenses when paid, which tends to simplify the paperwork compared with the traditional accruals basis, where income and expenses are matched to the period they relate to regardless of payment timing.

Finance costs on residential property, such as mortgage interest, are restricted for individual landlords and relieved only as a basic rate tax reduction rather than a deduction from rental profit. This matters particularly where unused finance costs have been carried forward from an earlier year. HMRC's updated guidance makes clear that if you claim FIG relief for 2025-26 on a source of foreign rental income, any unused residential property finance costs attached to that income cannot be carried forward, since the income itself has been relieved under FIG rather than taxed in the normal way. That is a real trade-off worth weighing before making a FIG election on rental profits that still carry brought-forward finance costs.

Avoiding double taxation: claiming Foreign Tax Credit Relief and using double taxation agreements

Where a foreign country taxes your rental income and the UK also taxes it, Foreign Tax Credit Relief (FTCR) exists to stop you paying twice on the same profit. According to HMRC's helpsheet HS263, the credit is capped at the lower of the foreign tax actually paid or the UK tax liability on that same income. You cannot claim more relief than the UK tax due on the foreign profit, even if the foreign tax paid was higher.

To make a claim in practice:

Work out the UK tax due on the foreign rental profit, calculated under UK rules.
Identify the foreign tax actually paid on that same income, after any local allowances or deductions available under the foreign country's own law.
Claim relief for the lower of the two figures on the FTCR section of your return, cross-referenced to the relevant SA106 entry.
Where no double taxation agreement (DTA) exists between the UK and the country concerned, consider deducting the foreign tax as an expense instead of claiming the credit, since this sometimes produces a better outcome depending on your overall tax position.

A DTA between the UK and the country where the property sits can change which country has the primary right to tax the rental income, and in some cases reduces the foreign withholding tax rate applied at source. Where a DTA applies, it generally takes priority over the UK's unilateral FTCR rules, though the practical mechanics of claiming relief are similar either way.

HS263 flags a point that catches out many landlords: the foreign tax used in the FTCR calculation must be the minimum amount legally due under the foreign country's law, after any local reliefs or allowances. If you pay more foreign tax than was strictly required, perhaps by missing a local deduction, HMRC will not credit the excess. Other common pitfalls include mismatched accounting periods between the UK and foreign tax years, and failing to keep the foreign tax computation and payment receipts needed to support a claim if HMRC asks for evidence.

FIG regime and the abolition of the remittance basis: what changed on 6 April 2026

From 6 April 2025, the remittance basis was abolished for UK residents, replaced by the foreign income and gains regime set out in HMRC's technical note. Under FIG, qualifying new UK residents can claim relief on qualifying foreign income and gains for their first four years of UK tax residence, rather than being taxed on it under the arising basis.

Qualifying foreign income under FIG includes several categories relevant to landlords with overseas property, among them:

Profits of an overseas property business, which covers most rental lettings held abroad.
Other specified categories of foreign income and gains set out in HMRC's helpsheet.
Income that would otherwise be taxed on the arising basis but falls within the four-year qualifying window.

The election is made for each tax year it applies, and relief can be selective by income source rather than all-or-nothing across your entire foreign income. In practice, that means a new resident with both a foreign rental property and foreign investment income can choose which sources to shelter under FIG and which to report normally, depending on where the tax saving is greatest.

On the filing mechanics, a FIG claim is made on the SA109 residence supplementary pages, with the relevant amounts also reproduced on SA106 where the income concerned is rental profit. Getting the cross-referencing right between SA109 and SA106 matters, since HMRC will check that the figures claimed as relieved under FIG match what appears on the foreign property pages. As noted earlier, electing FIG relief on rental income also closes off carry-forward finance cost relief for that income, which is worth weighing carefully against the headline tax saving before making the claim.

Exchange rates, conversion rules and Making Tax Digital implications for overseas landlords

Every figure on SA106 has to be converted into sterling, and HMRC expects a consistent, defensible approach to the exchange rate used. The practical convention is to use the rate applying on the date each receipt or payment occurred, rather than an average annual rate or a rate picked retrospectively to minimise tax. Keeping a transaction-level record, rather than converting a single annual total, makes it far easier to defend the figures if HMRC later asks how they were calculated.

Some practical habits worth adopting:

Record the exchange rate used for every individual rent receipt and every expense payment, not just a year-end summary figure.
Reconcile the rate used against a recognised source, such as the rate your bank or foreign exchange provider actually applied, rather than an estimate.
Keep local bank statements or payment confirmations showing the amount received in the foreign currency alongside the sterling equivalent.

Pro Tip: Set up a simple spreadsheet logging the date, foreign currency amount, exchange rate and sterling equivalent for every rent payment and expense, updated as transactions happen rather than reconstructed at year end.

Making Tax Digital for Income Tax is being phased in for self-employed individuals and landlords above certain qualifying income thresholds, and foreign property income counts towards those thresholds alongside UK rental income. Where MTD applies to you, quarterly digital updates and compatible software become part of the ongoing compliance picture, rather than a single annual Self Assessment submission. Landlords whose combined UK and foreign property income sits near the relevant threshold should check their position each year, since crossing it brings a materially different reporting rhythm.

Short numeric worked example and a pre-filing checklist

Say you own a flat in Thailand that generated 400,000 Thai baht in rent over the tax year, with allowable expenses of 80,000 baht, and you paid 15,000 baht in local tax on the profit. Converting at the rates applying when each amount was received or paid, assume this comes to £9,000 rent, £1,800 expenses and £340 foreign tax. Your taxable profit is £7,200. If your UK tax on that profit, at your marginal rate, works out at £1,440, your Foreign Tax Credit Relief claim is capped at the lower of £340 foreign tax paid or £1,440 UK tax, so you claim the full £340 and pay £1,100 of UK tax on the remaining balance.

Worked example of foreign rental tax calculation

The £150,000 gross income threshold determines whether you can use the cash basis for foreign property, which simplifies record-keeping for most individual landlords with a single overseas let.

Before filing, work through this checklist:

Gather foreign tax receipts, local rental accounts and bank statements for each property.
Confirm the country code and complete boxes 14 to 24.2 on SA106 for each property.
Decide between the property income allowance and itemised expenses, running both calculations first.
Check whether a FIG election applies and, if so, confirm the finance cost trade-off.
File by 31 October (paper) or 31 January (online), and seek specialist advice where ownership structures or multiple jurisdictions complicate the picture.

Why tax reporting matters for cross-border property due diligence

Tax reporting is not a separate chore from property due diligence. It is, in many cases, where the risks already sitting in a purchase first show up on paper. A buyer who cannot produce clean ownership documents or a clear local tax position usually cannot produce a clean SA106 either, and the two problems tend to share the same root cause: incomplete evidence gathered before the purchase was ever committed to.

We see ownership proofs and local tax exposure omitted more often than most buyers expect, particularly in jurisdictions where paperwork conventions differ sharply from the UK's. That is exactly the gap our buyer-side due diligence work is built to close, reviewing ownership rights, obligations and risks before capital commits, so the tax position you later report to HMRC rests on solid ground rather than assumptions.

— Neerraj

How we help you get the full picture before you buy

We offer buyer-side due diligence built around the moments that matter most: Before Buying Property Due Diligence, During Purchase Property Due Diligence and After Buying Property Due Diligence, each designed to surface ownership issues, local obligations and hidden risk before they become expensive surprises.

For buyers weighing a purchase with unfamiliar ownership structures, such as leasehold arrangements in Thailand or freehold rules in Dubai, or where the local tax regime is genuinely opaque, commissioning a review before exchange tends to cost far less than untangling a problem afterwards. Our real estate advisory services cover exactly this ground, drawing on legal, technical and market specialists coordinated into one decision file. If your next purchase sits in Thailand, our Thailand property due diligence service addresses the ownership and regulatory checks specific to that market. Get in touch before you commit capital, not after.

This article is general information, not a substitute for advice from a qualified financial advisor. Consult a qualified financial professional about your own circumstances before acting on anything here.

FAQ

Do I have to declare an overseas property to HMRC?

Yes. If you are UK resident, you must declare foreign rental income on Self Assessment using SA106, even if the rent never leaves the country where the property sits. Keeping money offshore does not remove the reporting duty.

Can an overseas landlord get tax exemption in the UK?

There is no blanket exemption for overseas property owners who are UK resident, since foreign rental income is taxed on the arising basis once residence is established. Qualifying new residents may instead claim relief under the FIG regime for their first four years in the UK, rather than a permanent exemption.

How much foreign income is tax free in the UK?

There is no separate tax-free allowance specific to foreign rental income beyond the normal reliefs available to any landlord, such as the £1,000 property income allowance, which applies instead of itemised expenses rather than alongside them. Qualifying new residents may also shelter certain foreign income for up to four years under the FIG regime.

Do I pay tax on my rental property if I live abroad?

If you remain UK resident while living abroad for part of the year, your foreign rental income is still taxable on the arising basis under the rules described above. Where you have become non-UK resident, different filing rules can apply, and your position should be checked against the Statutory Residence Test rather than assumed.