Answers · UK 2025/26
How many days can I spend in the UK without becoming tax resident?
Under the Statutory Residence Test: fewer than 16 days always keeps you non-resident. With no UK ties you can spend up to 45 days. With one tie up to 120 days, two ties up to 90 days, three ties up to 45 days, four ties up to 15 days. Full-time overseas workers have a 30-day in-UK work threshold. A UK day is any day you are in the UK at midnight.
Full answer
The number of days you can spend in the UK without becoming tax resident depends on how many "UK ties" you have under the Statutory Residence Test (SRT). The Automatic Overseas Tests set an absolute safe harbour: if you spend fewer than 16 UK days in the tax year AND were UK resident in one or more of the three preceding years, you are automatically non-resident. If you were NOT UK resident in any of the three preceding years, the safe harbour is fewer than 46 days. Beyond those absolute limits, the Sufficient Ties Test applies. The five types of UK tie are: (1) Family tie -- a spouse/civil partner/minor child is UK resident; (2) Accommodation tie -- you have accessible accommodation in the UK that you use at least once; (3) Work tie -- you work in the UK for 40+ days in the year; (4) 90-day tie -- you spent 90+ UK days in either of the two preceding tax years; (5) Country tie (only for those who were UK resident in at least one of the three preceding years) -- the UK is the country where you spend the most days. The day thresholds are: no ties -- fewer than 46 days (non-resident); one tie -- up to 120 days; two ties -- up to 90 days; three ties -- up to 45 days; four or five ties -- up to 15 days. A separate rule for full-time workers overseas: you are automatically non-resident if you work full-time overseas (35+ hours/week on average) and spend fewer than 91 UK days in the year, with no more than 30 days doing UK work. UK day means present in the UK at midnight, with exceptions for transit (provided you do not engage in activities unrelated to transit) and extraordinary circumstances beyond your control (e.g. natural disaster, sudden illness) capped at 60 days. Planning note: even a single day above your threshold can make you UK resident for the entire year -- keep a detailed travel diary and count days carefully.
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This answer is informational only and does not constitute financial, tax or legal advice. Figures are for the 2025/26 UK tax year. See our methodology and sources.