UK Non-Dom Tax Status: What Changed in April 2025 and What Comes Next

The United Kingdom's tax non-dom regime—a distinctive feature of British fiscal policy for more than two centuries—came to an end on 6 April 2025. The remittance basis of taxation, which allowed individuals whose domicile lay outside the UK to shield foreign income and gains from British tax unless brought onshore, has been replaced by a residence-based system that offers a four-year window of relief for new arrivals. For high-net-worth individuals weighing their next move, the changes mark a fundamental shift in how the UK competes with jurisdictions offering more generous territorial regimes, such as those pursuing Dubai tax residency or Monaco tax residency.

This guide explains what the old non-dom rules entailed, why Westminster abolished them, and how the new Foreign Income and Gains (FIG) regime works in practice—including transitional relief for those caught mid-stream.

What Was UK Non-Dom Tax Status?

Non-domicile status was rooted in the concept of domicile, a common-law principle distinct from residence. An individual's domicile typically reflects the country they regard as their permanent home; many people acquire a domicile of origin at birth and retain it unless they take deliberate steps to establish domicile elsewhere.

Under the previous system, a person who was UK tax resident but not UK domiciled could elect for the remittance basis of taxation, which meant:

• Foreign income and gains (interest, dividends, rent, capital gains arising outside the UK) were taxed in the UK only if remitted to the UK.
• UK-source income and gains remained taxable in full, regardless of remittance.
• Electing the remittance basis forfeited the UK personal allowance (£12,570 for 2024–25) and the capital gains tax annual exempt amount (£3,000 for 2024–25) once the individual had been UK resident for seven out of the previous nine tax years.

An annual remittance-basis charge applied to long-term UK residents who claimed the remittance basis:

• £30,000 for those resident in at least seven of the previous nine years; £60,000 for those resident in at least 12 of the previous 14 years.

After 15 out of the previous 20 tax years, individuals became deemed domiciled for income tax and capital gains tax purposes, losing access to the remittance basis entirely (though inheritance tax deemed-domicile rules operated on a different schedule).

Why the UK Abolished the Non-Dom Regime

The Spring Budget 2024 and subsequent Autumn Budget confirmed that from 6 April 2025, the concept of domicile as a relevant connecting factor in the tax system would be replaced by a system based on tax residence. The Treasury's stated objectives were:

1. Simplicity and fairness: domicile is a complex legal concept, often misunderstood, and seen by some as an outdated colonial relic.
2. Revenue: Treasury estimates suggested the new regime would yield additional receipts, although critics warned that some non-doms would relocate.
3. Residence-based alignment: the new approach mirrors systems in countries such as Italy's flat-tax regime, which also base preferential treatment on residence rather than domicile.

Notably, the Labour government confirmed it would proceed with the reforms announced by the previous Conservative administration, signalling cross-party consensus on ending domicile-based taxation.

The New Four-Year Foreign Income and Gains (FIG) Regime

From 6 April 2025, the UK operates a residence-based system with a transitional relief window for newcomers and returning residents.

Who Qualifies for the FIG Regime?

An individual qualifies if they become UK tax resident after a period of at least 10 consecutive tax years of non-UK residence. (For this purpose, a tax year runs from 6 April to 5 April.)

The four-year FIG regime applies automatically to qualifying individuals; there is no annual election required and no annual charge.

What the FIG Regime Covers

During the four tax years after becoming UK resident, qualifying individuals:

• Pay no UK tax on foreign income and gains (FIG) arising in those years, even if remitted to the UK.
• Remain liable to UK tax on UK-source income and gains in the normal way.
• Retain their UK personal allowance and capital gains tax annual exempt amount.

Importantly, the relief applies only to income and gains that arise during the four-year window. Pre-arrival foreign income and gains brought to the UK during the FIG period may still be taxable unless covered by other reliefs (see Temporary Repatriation Facility below).

Residence Test and the Statutory Residence Test

UK tax residence continues to be determined by the Statutory Residence Test (SRT), which considers factors including:

• Days spent in the UK during the tax year.
• Ties to the UK (family, accommodation, work, substantive presence in previous years).
• Whether the individual has been UK resident in any of the previous three tax years.

The FIG regime does not alter the SRT; it applies after residence status is established.

Transitional Relief: The Temporary Repatriation Facility (TRF)

Former non-doms with unremitted foreign income and gains accumulated before 6 April 2025 face a potential cliff-edge: under the new rules, all worldwide income and gains become taxable once the individual ceases to qualify for the FIG regime (or never qualified in the first place).

To ease the transition, the government introduced the Temporary Repatriation Facility (TRF), which runs for three tax years: 2025–26, 2026–27 and 2027–28.

How the TRF Works

Individuals may designate unremitted foreign income and gains—whether liquid (e.g. cash in a foreign bank account) or illiquid (e.g. shares in a closely held company)—and pay tax at the reduced rate when those sums are remitted to the UK.

The TRF is available to:

• Former remittance-basis users who were UK resident on 5 April 2025.
• Individuals who would have qualified for the remittance basis had they claimed it in 2024–25.

It does not apply to new arrivals who qualify for the FIG regime (they already enjoy four years of tax-free FIG); its purpose is to help long-term former non-doms clean up historic balances without facing full income-tax or capital-gains-tax rates (up to 45% and 24% respectively).

Rebasing Relief for Capital Gains

Alongside the TRF, the government announced a one-time rebasing opportunity for capital gains tax purposes.

Individuals who claimed the remittance basis in any tax year from 2017–18 onwards may elect to rebase the cost of foreign assets to their market value on 5 April 2017. This rebasing applies when the asset is sold after 6 April 2025 and reduces the taxable gain (or increases an allowable loss) for UK CGT.

The relief is designed to prevent individuals being taxed on gains that accrued before they had any material connection to the UK tax system, aligning with the principle that only post-arrival gains should be taxed once the remittance basis no longer applies.

Inheritance Tax and Excluded Property Trusts

The abolition of domicile-based taxation extends to inheritance tax (IHT), though the timeline differs slightly. From 6 April 2025, IHT will move to a residence-based test:

• Individuals who have been UK resident for 10 out of the previous 20 tax years will be subject to UK IHT on their worldwide estate.
• Those who cease UK residence can "cleanse" their IHT exposure after 10 consecutive years of non-residence.

Excluded property trusts—offshore trusts established by non-UK domiciliaries holding non-UK assets, which historically fell outside the UK IHT net—will lose their excluded-property status if the settlor becomes deemed UK-domiciled under the new residence test. Trusts settled before 6 April 2025 benefit from grandfathering provisions, but only if the settlor remains outside the 10-year residence threshold. Detailed rules are set out in the technical note on reforming the taxation of non-UK domiciled individuals.

Who Wins and Who Loses?

Winners

• Genuine new arrivals who have been non-UK resident for 10+ years: four years of tax-free FIG, with no annual charge and retention of personal allowances, is a meaningful incentive for entrepreneurs, executives, and investors relocating to London.
• Short-tenure former non-doms who plan to leave the UK: those who accumulated modest offshore balances can use the TRF to remit at 12–15% before departure.

Losers

• Long-term UK residents with non-UK domicile: individuals who have lived in the UK for decades but maintained foreign domicile (often from birth) lose all preferential treatment. Worldwide taxation now applies in full.
• Families with offshore trusts: excluded property trusts face new complexity and potential IHT exposure; legal and tax advice is essential.
• Mid-tenure residents who do not qualify for the FIG regime: if you were UK resident in 2015–16 and returned in 2023–24, you will not meet the 10-year non-residence test, yet the remittance basis is gone.

Comparison: UK FIG vs Alternative Residence Regimes

(Portugal's NHR regime closed to new entrants on 31 March 2024; existing beneficiaries retain their 10-year relief.)

The UK's four-year window is shorter than Italy's 15 years or Portugal's former 10-year NHR regime, but it carries no annual charge and does not require upfront investment beyond meeting residence criteria. For individuals who plan a medium-term (4–7 year) stay in London, the FIG regime remains competitive—particularly when combined with the UK's deep capital markets, legal infrastructure, and non-tax advantages.

Practical Steps for Former Non-Doms and New Arrivals

1. Verify your residence history: count the number of tax years you have been non-UK resident in the period 2015–16 to 2024–25. If fewer than 10, you will not qualify for the FIG regime.
2. Model your TRF opportunity: if you hold unremitted foreign income or gains, calculate the tax cost of remitting under the TRF (12% or 15%) versus leaving the funds offshore and accessing them after ceasing UK residence.
3. Review trust structures: excluded property trusts require urgent legal and tax advice. Consider whether resettlement, distribution, or other restructuring is appropriate before the IHT residence test bites.
4. Reassess your residence plan: if you no longer benefit from preferential FIG treatment, compare the UK's top marginal rates (45% income tax, 24% CGT on property, 20% on other gains) with alternative jurisdictions. Dubai tax residency or Monaco tax residency may offer a more attractive fiscal environment for your circumstances.
5. Engage professional advice early: the transitional rules are intricate, and errors can be costly. Instruct a UK tax adviser with specific expertise in the former non-dom regime and the new FIG rules.

What Happens After Year Four?

Once the four-year FIG window expires, the individual becomes subject to UK taxation on a worldwide basis, identical to any other UK resident. There is no remittance-basis fallback, no annual charge option, and no further relief unless the individual leaves the UK, remains non-resident for 10 consecutive years, and later returns.

In practice, this means:

• Foreign dividends, interest, rent, and employment income are taxed at UK marginal rates (up to 45%).
• Foreign capital gains are taxed at UK CGT rates (20% for most assets, 24% for UK and certain non-UK residential property).
• Foreign assets may remain outside UK IHT if the individual ceases UK residence before crossing the 10-year IHT residence threshold.

The design mirrors a temporary resident concession seen in other jurisdictions (e.g. Australia's temporary-resident rules before 2026 reforms), intended to attract mobile talent and capital for a defined window rather than indefinitely.

Political and Economic Context

The abolition of the tax non-dom regime reflects broader trends in international tax policy: the erosion of domicile-based taxation, the rise of substance requirements, and increased scrutiny of preferential regimes under OECD and EU frameworks.

Domestically, the move was framed as levelling the playing field. Critics, however, argue that the UK risks losing entrepreneurs, investors, and cultural contributors to jurisdictions with more generous territorial or flat-rate regimes—particularly in the Gulf, Switzerland, and southern Europe.

Treasury modelling predicted a net revenue gain, assuming modest emigration. Early anecdotal reports suggest an uptick in enquiries to legal and tax advisers in Dubai, Monaco, and Switzerland from long-term UK residents, although hard migration data will not be available until 2026 tax filings are complete.

Final Considerations

The end of the UK's tax non-dom regime is the most significant change to the taxation of internationally mobile individuals in a generation. For those who qualify for the four-year FIG window, the UK remains a viable and attractive base—particularly if your residence plan aligns with the timing of a business exit, public listing, or other capital event.

For long-term UK residents who do not meet the 10-year non-residence test, the shift to worldwide taxation is immediate and unavoidable. If your effective tax rate rises materially, or if the loss of remittance-basis protection exposes historic offshore gains, a strategic relocation may be worth considering.

Above all, the reforms underscore the importance of proactive residence and domicile planning. Tax residency is no longer a static concept; it requires continuous monitoring, modelling, and, where necessary, timely action to preserve wealth across borders.

Last verified: 2025-04-06

Sources

• Changes to the taxation of non-UK domiciled individuals
• Residence, domicile and remittance basis rules: UK tax liability
• Reforming the taxation of non-UK domiciled individuals (technical note)
• Income Tax rates and Personal Allowances
• Capital Gains Tax allowances
• UK tax residence guidance
• UAE personal income tax
• Agenzia delle Entrate: Special tax regime for new residents