When do ‘exceptional circumstances’ affect your UK tax residence?

If you have had to return to the UK because of recent global events, this could affect your UK tax residence and obligations. Spending more days in the UK could mean you are treated as a UK resident for tax purposes. This might increase the taxes you need to pay on income you earn overseas.

Understanding exceptional circumstances rules

UK tax rules allow some flexibility if you spend extra time in the UK due to exceptional circumstances beyond your control. These rules may apply if you were repatriated due to war, government instructions, or other unforeseen events. You can read the full guidance from HMRC here.

To rely on these rules, you must show that:

1. Your return to the UK was not voluntary. Documentation from your employer or authorities confirming mandatory repatriation can help.
2. You took every reasonable step to return abroad as soon as possible.

If your return was a choice rather than a requirement, the exceptional circumstances rules may not apply.

Lessons from past events

HMRC has applied these rules before:

• During the COVID-19 pandemic, extra UK days could sometimes be ignored.
• Following the war with Russia, guidance was given for repatriated individuals.

No official guidance has been issued for the current Iran conflict, so the normal rules and record-keeping should be followed.

Practical steps to manage your UK tax

If you have returned to the UK unexpectedly, it’s important to:

1. Do not assume the exceptional circumstances rules apply automatically.
2. Track your UK days carefully to stay below thresholds, often 90 or 183 days.
3. Keep detailed records in case you need to apply the rules:
   1. When and why you returned to the UK, with supporting documents from your employer or authorities.
   2. Any alternatives your employer offered for returning abroad.
   3. Actions you took to resume your offshore work as soon as possible.

Keeping these records helps ensure your UK tax position can be assessed accurately, even if HMRC guidance changes.

Staying on top of UK tax when returning from abroad

Returning to the UK due to war or other exceptional circumstances can affect your UK tax residence and offshore income reporting. Careful monitoring of UK day counts, thorough documentation, and professional advice are essential to managing compliance and limiting exposure.

If you have returned to the UK unexpectedly, it is a good idea to review your UK tax position. At A4G, we can help you determine whether the exceptional circumstances rules apply and guide you through the steps needed to stay compliant.