While moving abroad can provide wonderful new international personal and business opportunities, it also raises complicated questions about your tax liabilities. HM Revenue and Customs has a simple framework to determine your tax status. This will determine if you are liable to UK tax on your worldwide income or only income from UK sources. Knowing how the statutory residence test applies to your circumstances will enable you to stay fully compliant with British tax legislation and avoid any undue double taxation.
The tax year in the UK runs from 6 April to 5 April. HMRC will consider your residency position on a case-by-case basis for each tax year. You must follow a strict hierarchy of three tiers in order to make an accurate assessment.
Step 1: Automatic Overseas Tests
You begin your analysis with the automatic overseas tests. If you meet any one of the overseas conditions, you automatically become a non-UK resident for that tax year. If you pass this first stage you do not have to evaluate any other rules.
Key Overseas Criteria for Returning Expats and New Expats
How long you can be in the UK depends on your recent tax history and your work status abroad:
Short Visits and Work Abroad Full-Time
You are non-resident if you spend fewer than 16 days in the UK in the tax year and you were resident in the UK in one or more of the previous three tax years. If you were non-resident for each of the 3 previous tax years the limit increases to less than 46 days.
HMRC has a special test for expats who work full-time abroad. You are automatically non-resident if you work an average of at least 35 hours a week abroad and you spend less than 91 days in the UK in total and you work in the UK for less than 31 days in the tax year.
Step 2: Evaluating the Automatic UK Tests
If you do not meet any automatic overseas condition, you have to meet the automatic UK tests. If you satisfy one of the tests in this second tier, you will be treated as a UK tax resident for the whole year.
The 183-Day Test and Principal Place of Business Rules
The most obvious trigger is being there physically. If you spend 183 days or more in a tax year in the UK you are automatically a UK resident.
Or, you satisfy the automatic UK tests if your main home is in the UK for a continuous period of at least 91 days, you spend at least 30 days in the UK during the tax year and you have no overseas home or you have an overseas home but you spend less than 30 days in it; Working full-time in the UK for a full year of 365 days is also automatic UK residency.
Step 3: Navigating the Sufficient Ties Test
If neither the automatic overseas test nor the automatic UK test provides a clear answer, HMRC will use the sufficient ties test. This stage weighs up how many days you’ve spent actually there vs your residual ties to the UK.
Five UK Links HMRC Thinks About
HMRC considers five particular connections to see how ‘tied’ you still are to the country:
- Family Tie: If your spouse, civil partner or child under 18 lives in the UK.
- Accommodation Tie: Where you have available accommodation in the UK for a continuous period of 91 days and you reside there for at least one night.
- Work Tie: If you work in the UK for 40 or more days in the tax year.
- 90-Day Tie: If you spent over 90 days in the UK in either of the last 2 tax years.
- Country Tie: Applies to leaving residents who spend more time in the UK than in any other single country.
Leavers vs. Arrivers: Ties That Restrict Allowed Days
How many ties you can have before residency is triggered depends on your recent residency history. HMRC classifies expats as either leavers or arrivers:
- Leavers (resident in at least one of the previous three years):
- 16 to 45 days: four ties to trigger residency
- 46 to 90 days: three ties to trigger residency
- 91 to 120 days: two ties to trigger residency
- Over 120 days: one tie to trigger residency
- Arrivers (non-resident in each of the three preceding years):
- All four ties are necessary to establish residency if spending 46 to 90 days
- Three ties if spending 91 to 120 days
- Two ties if spending over 120 days
This unique comparison shows why departing expats need to be careful about managing their return visits and personal relationships in the early years of living abroad.
Counting Days Rules and Borderline Cases
You need to record your physical location to the absolute accuracy as per HMRC guidelines. HMRC uses the midnight rule, which means that any calendar day you are physically present in the UK at midnight counts as a full UK day. Transit days are not usually counted, as long as you are in the UK briefly to take a connecting flight and do not do anything else. In addition, bona fide emergency situations not anticipated may be excluded for up to 60 days.
Cross-border telework, foreign investment income, international finance or special structures such as Spice Taxation require careful planning. Keeping detailed travel logs, flight boarding passes and work calendars will help prove your non-resident status if HMRC ever audits your tax position.
UK Expat Next Steps for a Strategic Approach
You will need to have a system in place and keep records ongoingly to ensure you keep your non-UK resident status. By checking automatic tests, keeping track of your active UK ties and tracking your midnight presence, you can travel back to the UK without any unexpected tax obligations. If you’re moving internationally and have split years, foreign property or complicated family ties, talking to a qualified international tax professional will help you to remain fully compliant with the HMRC rules, as well as protect your worldwide assets.