UK Non-Dom Abolition: Bulgaria's 10% as the Post-FIG Answer (2026)

One year after the UK abolished the non-dom regime, the exodus is no longer a forecast — it is a fact. The Henley & Partners 2025 Wealth Migration Report projects 16,500 high-net-worth individuals will leave the UK in 2025 alone — more than double the 7,500 who departed in 2024, and the largest one-year wealth outflow ever recorded for any single country. The replacement Foreign Income and Gains (FIG) regime gives new UK residents just four years of foreign-source relief; the new residence-based inheritance tax keeps your worldwide estate within 40% UK IHT for up to ten years after departure. The remittance basis charge is gone. The clean-capital workaround is gone. The pressure to find a long-term destination is on. This guide explains why Bulgaria's 10% flat tax — the lowest in the EU, with no annual cap and no expiry — has become the structural answer for ex-non-doms looking past Italy's now-€300,000 ticket and Cyprus's 17-year non-dom horizon.

What Changed on 6 April 2025

Spring Budget 2024 was unambiguous: the centuries-old concept of UK domicile would be retired for tax purposes. Finance (No. 2) Act 2024 then enacted the change. From 6 April 2025:

• The remittance basis was abolished for all years going forward. Long-term UK residents who used to keep clean capital offshore now pay UK tax on all worldwide income and gains as they arise.
• A residence-based inheritance tax replaced the domicile-based one. Anyone UK tax-resident for 10 of the previous 20 UK tax years is now a "long-term UK resident" whose worldwide estate is in scope of 40% IHT.
• The Foreign Income and Gains (FIG) regime took the place of non-dom for newcomers — but only for four years.
• A Temporary Repatriation Facility (TRF) was introduced to mop up legacy unremitted foreign income at concessional rates (12% in 2025-26 and 2026-27, 15% in 2027-28).
• The Statutory Residence Test (SRT) remained unchanged — but it is the principal mechanism by which an individual leaves the UK.

The 10-year IHT tail — the rule that scares HNWIs

Under the old system, an individual could shed UK domicile by establishing a new permanent home abroad and severing UK ties — potentially within a year. Under the new system, the question is residence, not domicile, and the look-back is mechanical. If you have been UK tax-resident in at least 10 of the 20 UK tax years ending in the year of death, you are a long-term UK resident. Worldwide IHT applies. The "tail" after leaving the UK is up to 10 years, depending on how many years of UK residence you accumulated. The longer you stayed, the longer the tail.

For a UK resident considering departure, this changes the calendar. Leaving in year 8 of UK residence and dying 9 years later: still in scope. Leaving in year 12 and dying 9 years later: still in scope. The only safe path is to leave early and live for at least 10 full UK tax years as a non-resident before death — or to plan around it through gifts, life cover and structuring.

The FIG Regime — Why Four Years Is Not a Plan

The Foreign Income and Gains regime applies to individuals who:

1. Are coming to the UK for the first time, OR returning after a continuous period of at least 10 UK tax years of non-UK residence;
2. Become UK tax resident on or after 6 April 2025;
3. Make an annual claim on their UK self-assessment.

In each of the first four UK tax years, qualifying foreign income (dividends, interest, employment income from non-UK duties) and qualifying foreign gains are exempt from UK tax. Unlike the old remittance basis, the funds can be brought into the UK freely without triggering tax. There is no annual charge.

The catch is the end-date. In year five, the entire worldwide income and gain base hits the UK system at standard rates: up to 45% income tax, 24% capital gains tax (28% for carried interest), 39.35% dividend tax for additional-rate payers. For a meaningful HNWI, the four-year window is a holding pattern, not a destination.

The Temporary Repatriation Facility — a Three-Year Window

For individuals who claimed the remittance basis under the old regime and accumulated unremitted foreign income or gains, the TRF offers a flat-rate "clean-up" tax to bring those funds onshore:

The TRF is useful for ex-non-doms with significant pre-April 2025 foreign reserves. But it is a settlement of past liabilities — not a future planning tool. The structural question remains: where do you live going forward?

The 2025 Exodus — in Numbers

Henley & Partners, working with New World Wealth, tracks ultra-high-net-worth migration each year. Their 2025 report identified the UK as the world's largest single-country net loser of millionaires for the second consecutive year, with the gap to second place (China) widening sharply:

The top destinations for 2025 departures were the UAE, the United States, Italy, Switzerland, Singapore, Greece, Portugal — and increasingly Bulgaria, Cyprus and Malta for those seeking an EU-resident, eurozone, low-tax base that complements established global mobility. The composition matters: 2024 outflows were dominated by ultra-billionaire-tier wealth heading to Dubai. 2025 outflows skew towards entrepreneurs and family offices with €5M–€100M of investible wealth, for whom Italy's now-€300,000 charge is excessive and the UAE's social fabric is not a fit.

Where the Money Is Going — the 5 Real Alternatives Compared

For an ex-non-dom looking for a long-term replacement, five EU-or-European jurisdictions repeatedly come up. Here is how they line up.

For comparison details across the EU low-tax landscape, see our 2026 EU low-tax ranking.

When Italy and Switzerland win — the €3-million threshold

Italy's flat substitute tax doubled from €100,000 to €200,000 under Decree-Law 113/2024 (August 2024, converted into Law 143/2024) and was raised again to €300,000 per year under the 2026 Budget Law. Dependants are now €50,000 each per year. The Italian regime makes economic sense only above approximately €3 million of foreign income per year — below that, ordinary 10% Bulgarian PIT (or even ordinary Italian PIT for very low foreign income) is cheaper. Switzerland's lump-sum is similar in concept: a negotiated annual amount, only economic for HNWIs with diversified foreign income above CHF 2–5 million.

When Bulgaria wins — everywhere below €3 million

For the entrepreneur with €300,000–€3,000,000 of annual income (the modal ex-non-dom profile), Bulgaria's 10% PIT on individual income and 15% combined for corporate distributions (10% CIT + 5% dividend) beats every other EU option. There is no annual cap, no duration limit, no negotiation, no dependency surcharge. Bulgaria is in the eurozone (since 1 January 2026), is a Schengen member (since 1 January 2025), and a comfortable single-person Sofia lifestyle costs EUR 1,500–2,000 per month — roughly half of Berlin and one-third of Milan or Geneva. See our complete Bulgaria tax residency guide, the Sofia cost-of-living breakdown, and the EOOD vs Freelancer calculator.

The UK Exit Mechanics — SRT, Split-Year, Ties

Leaving the UK for tax purposes is not a single decision — it is a sequence of conditions tested over multiple tax years. The Statutory Residence Test, enacted in Schedule 45 to the Finance Act 2013, governs.

The three automatic tests

An individual is automatically non-resident for a UK tax year if any of:

• Spent fewer than 16 days in the UK that year (if a UK resident in any of the previous three tax years); OR
• Spent fewer than 46 days in the UK that year (if not a UK resident in the previous three tax years); OR
• Works full-time abroad (35 hours per week average) with no more than 30 UK workdays and fewer than 91 UK days.

An individual is automatically resident if they:

• Spent 183 days or more in the UK; OR
• Had their only home in the UK for 91+ days; OR
• Worked full-time in the UK for 365 days.

The sufficient-ties test

If neither automatic test applies, the sufficient-ties test counts how many of five UK connections an individual has (family, accommodation, work, 90-day, country) and matches that against day-count thresholds. The bands are tighter for "leavers" (UK resident in any of the prior three years) than for "arrivers".

Split-year treatment — Cases 1 and 3

Where an individual ceases UK residence partway through a UK tax year (which runs 6 April to 5 April), the year may be split into a UK-resident part and a non-UK-resident part. Case 1 (leaving to work full-time abroad) and Case 3 (leaving the UK to live abroad) are the most common for ex-non-doms relocating to Bulgaria. The mechanics matter: a poorly timed bonus, share vesting, or large capital gain crystallisation can fall on the wrong side of the split.

The Bulgarian Path — What Becoming a Bulgarian Tax Resident Means

Bulgaria's tax-residency criteria are set out in Article 4 of the Bulgarian Personal Income Taxes Act (PITA):

1. Permanent home in Bulgaria, OR
2. More than 183 days physical presence in any 12-month period, OR
3. Centre of vital interests in Bulgaria (family, economic, social ties), OR
4. Bulgarian citizenship (with limited overrides).

Most ex-non-doms qualify under the 183-day rule combined with a Bulgarian home. Once tax resident, the regime is:

• 10% flat PIT on worldwide income (salary, freelance, dividends, interest, capital gains on most assets).
• 5% dividend tax on dividends from Bulgarian and foreign companies (with credit for foreign withholding under most DTTs).
• 10% corporate income tax on profits of a Bulgarian company.
• 0% tax on capital gains from disposal of shares on an EU-regulated market (most ETFs and listed equities qualify).
• 0% inheritance and gift tax between spouses and direct line (parents, children, grandchildren).

For a UK-Bulgaria specific tax allocation analysis, see our analysis of the UK-Bulgaria Double Tax Treaty. For broader country comparison, see Moving to Bulgaria from the UK — Post-Brexit Tax Guide.

The UK-to-Bulgaria Action Plan — 6 Steps Across 18 Months

Months 0–3: Position

1. Confirm SRT outcome for current and next tax year. Map your day count, ties and home arrangements precisely. Identify the earliest non-residence window.
2. Inventory pre-arrival assets and crystallised positions. For UK CGT purposes, the date of becoming non-resident matters. Assets with large embedded gains may be best held; depreciated positions may be best harvested before departure.
3. TRF assessment if applicable. Quantify your pre-2025 unremitted foreign reserves; decide whether to repatriate at 12% or 15% TRF rate.

Months 3–6: Establish Bulgaria

4. Secure Bulgarian residence: PIN (ЕГН), residence permit, address. Innovires handles end-to-end. See our EU residence permit guide for the 7-day process for EU citizens, or our digital nomad visa guide for non-EU.
5. Open a Bulgarian bank account. Bulgarian fintech and traditional banks (DSK, UBB, Postbank) accept non-resident applications; a personal visit is usually required.

Months 6–18: Execute the move and the structure

6. Trigger UK non-residence and split-year treatment. Coordinate with UK tax advisers and Bulgarian counsel. File the Bulgarian annual tax return (Article 50 PITA) for the first part-year. Set up the EOOD structure if business income is involved — see our EOOD vs Freelancer calculator.

The total elapsed time is typically 9–15 months from first call to operational Bulgarian residence with all UK ties addressed. Tight planning around the UK tax year boundary (6 April) and the Bulgarian 183-day count is where most value is created.

What Can Go Wrong — the Three Common Mistakes

1. Underestimating the UK IHT tail

Many advisers tell departing UK residents they are "non-dom for tax purposes after a year". Under the post-April-2025 rules that is no longer correct — the test is residence, and the tail is up to 10 years after departure. Estate planning must assume continued UK IHT exposure for the full tail period.

2. Missing the split-year window

A common pattern: an executive resigns in October, moves to Bulgaria in November, and assumes the UK tax year is over. It is not — the UK tax year runs to 5 April. If the SRT split-year conditions are not properly met, the full UK tax year retains worldwide taxation. A six-month miscalculation can cost hundreds of thousands of pounds.

3. Triggering EU "centre of vital interests" disputes

Where an individual retains a UK home, a UK-resident spouse, or UK business activity, both HMRC and the NRA may claim tax residence in the same year. The UK-Bulgaria DTT contains tie-breaker rules, but the outcome is fact-sensitive. Clean breaks (sell UK home, move spouse, end UK directorships) materially reduce risk.

Key Takeaways

• UK non-dom abolished 6 April 2025. One year in, the exodus has accelerated.
• Replacement FIG regime: only 4 years of foreign-source relief.
• New residence-based IHT: 10-year tail after leaving the UK.
• 16,500 HNWIs leaving the UK in 2025 — the largest one-year wealth outflow on record.
• Italy flat tax now €300,000/yr (raised under 2026 Budget Law); profitable only above ~€3M foreign income.
• Cyprus non-dom: 17 years, extendable twice for a €250,000 fee each (27-year total); CIT raised to 15%.
• Bulgaria's 10% PIT — permanent, uncapped, EU, eurozone, Schengen, 0% IHT in direct line. Optimal for ex-non-doms with €300k–€3M of annual income.
• The UK exit is a sequenced project across 9–15 months: SRT planning, TRF settlement (if applicable), Bulgarian residence, split-year filing.

Frequently Asked Questions

Sources and Further Reading

• HMRC — 4-year FIG regime guidance
• HMRC — IHT and long-term UK residents
• Henley & Partners Private Wealth Migration Report 2025
• HM Treasury — Non-dom abolition policy paper
• Bulgaria Tax Residency Guide 2026 (Innovires)
• UK-Bulgaria Double Tax Treaty (Innovires)
• Lowest-Tax EU Countries 2026 (Innovires)
• EOOD vs Freelancer Calculator (Innovires)