Specialist

The UK Statutory Residence Test: A Guide for Expats and NRIs

10 March 2026

7 min read

By Suyesh Sharma

Written by Suyesh Sharma, FCCA, Founder and Managing Director, Metta Accountants.

Published 10 March 2026

Many internationally mobile professionals assume they can simply "choose" whether to be UK resident for tax purposes - staying in the UK for most of the year but "electing" non-residence to shelter overseas income. The Statutory Residence Test (SRT), introduced in 2013, eliminates this ambiguity entirely. It applies a rigid set of objective rules, and the financial consequences of getting it wrong can run to hundreds of thousands of pounds.

The three parts of the SRT

1. Automatic Overseas Tests (you are NOT UK resident if…)

You spent fewer than 16 days in the UK in the tax year (if you were UK resident in any of the three preceding years); or fewer than 46 days (if you were not UK resident in any of the three preceding years); or you work full time overseas without any significant UK work and spend fewer than 91 days in the UK with fewer than 31 UK workdays.

2. Automatic UK Tests (you ARE UK resident if…)

You spend 183 or more days in the UK in the tax year; or you have a home in the UK (and no overseas home) and spend at least 30 days in that home; or you work full time in the UK for a period of 365 days falling within the tax year with no significant break.

3. Sufficient Ties Test (the complex middle ground)

If you pass neither set of automatic tests, your residence is determined by counting how many UK "ties" you have and cross-referencing with your UK day count. Having fewer ties allows you to spend more days in the UK without becoming resident.

The five UK ties in detail

Family tie: A spouse, civil partner, or minor child is UK resident (and you see them in the UK during the year).
Accommodation tie: You have accommodation available to you in the UK (including a friend's spare room, if available for 91+ days) and you stay in it for at least one night.
Work tie: You work in the UK for 40 or more days in the tax year (a "work day" is one where you work for more than 3 hours in the UK).
90-day tie: You spent more than 90 days in the UK in either of the two preceding tax years.
Country tie (leavers only): You spent more days in the UK than in any other single country. Only applies to people who were UK resident in one or more of the preceding three tax years.

How the ties and day count interact

The table works as follows for individuals who were UK resident in any of the three prior years (the "leaver" position):

Fewer than 16 UK days: automatically non-resident (regardless of ties)
16–45 UK days: resident if you have 4 or more ties
46–90 UK days: resident if you have 3 or more ties
91–120 UK days: resident if you have 2 or more ties
121–182 UK days: resident if you have 1 or more ties
183+ UK days: automatically resident

For someone who left the UK recently and still has a family tie (spouse in the UK) and an accommodation tie (using the family home on visits), they can only spend up to 90 days in the UK before becoming resident. Many returning NRIs and expats are surprised to find they have triggered UK residence unexpectedly.

Split year treatment

If you arrive in or depart from the UK mid-year, split year treatment can apply - dividing the tax year into a UK part and an overseas part. You pay UK tax only on income arising in the UK part of the year. There are eight specific cases for split year treatment (covering various arrival and departure scenarios), each with different conditions. Claiming split year treatment incorrectly - or failing to claim it when it applies - creates a material tax error. It must be actively claimed on your Self Assessment return; it is not applied automatically.

The UK–India Double Tax Agreement

For Indian nationals and NRIs with UK and Indian income, the UK–India Double Tax Treaty (1993, as amended) provides relief against double taxation. The treaty covers income from employment, pensions, dividends, interest, and royalties. Residence under the treaty is determined separately from the SRT - a "tiebreaker" clause resolves cases where an individual is resident in both countries under each country's domestic law. DTAA claims must be made explicitly on the UK Self Assessment return and may require supporting documentation from the Indian tax authority.