Overview of the UK Non-Dom Reform
Starting 6 April 2025, the UK abolished the traditional remittance basis (domicile-based tax status) and introduced a residence-based regime, alongside a 4-year foreign income & gains (FIG) relief for new residents. (gov.uk) Under this regime, individuals who haven’t been UK residents in the last 10 years get 100% tax relief on foreign income & gains for their first four years of UK residence, subject to eligibility. (gov.uk)
Professional Profile Affected
- Profile: Sam is a consultant, traits:
- Lived outside UK and non-UK resident for 10+ previous years.
- Moved to UK in June 2025.
- Generates consulting income from foreign clients and has investments overseas.
Implications for Sam
- For tax years 2025-26 to 2028-29, he enjoys tax relief on all foreign income & gains, without needing to bring them into the UK.
- After year 4, he will be taxed on worldwide income and gains as they arise.
- The Overseas Workday Relief (OWR) has been aligned to 4 years too, matching this FIG rule. (gov.uk)
- Inheritance Tax (IHT) rules shift: non-UK assets will be taxed based on residence if meeting residence & tail criteria. (gov.uk)
Actionable Advice for Professionals & Nomads
- Check eligibility immediately. If you were non-resident for 10 years, you may lock in FIG relief.
- Plan foreign income/gain realisation: if expecting gains, realize while eligible for FIG relief.
- Document residency & prior non-residence to support eligibility.
- Estate-planning: move assets earlier if they might be caught under IHT tail rules.
- Ongoing monitoring: Once FIG period ends, costs of exposure to UK tax rise sharply.
Lessons Learned
| What Went Right | What Could Have Gone Wrong |
|---|---|
| Effective tax relief during first years of residence | Unplanned income or gains realized when period expired—could lead to higher bills |
| Clarity on foreign work and tax treaty positions | Ignoring inheritance implications under tail rules might create nasty surprises |
The reforms reward forward planning—early movers secure relief, while others must adapt.