The Rule: 180 Days in Any Rolling 12-Month Period
For most routes to ILR — including Skilled Worker, Health & Care Worker, Spouse/Partner, UK Ancestry, BN(O), Scale-Up, Innovator Founder, and Global Talent — the absence limit is the same:
This is not 180 days per calendar year. It is not 180 days per visa year. It is assessed on a rolling basis, meaning the Home Office can pick any 365-day window during your qualifying period and check whether you exceeded 180 days in that window.
The Long Residence route (10-year) has additional limits: no more than 548 days total over 10 years, and no single absence exceeding 184 consecutive days.
What "Rolling 12-Month Period" Actually Means
This is where most confusion arises. Many applicants think the limit resets each year — it does not.
Imagine a sliding window of exactly 365 days that can be placed anywhere on your timeline. The Home Office checks whether you spent more than 180 days outside the UK within that window. If any placement of this window exceeds 180, you have broken continuous residence.
Example
Say you took these trips:
- October 2024: 45 days in India
- March 2025: 60 days in Pakistan
- August 2025: 50 days in India
- January 2026: 40 days visiting family
In calendar year 2025, you were abroad for 150 days — under the limit. But the rolling window from August 2024 to August 2025 captures all of the first three trips: 45 + 60 + 50 = 155 days. Still under. However, the window from March 2025 to March 2026 captures: 60 + 50 + 40 = 150 days. Also fine.
Now imagine the January 2026 trip was 80 days instead of 40. The window March 2025 to March 2026 becomes: 60 + 50 + 80 = 190 days — over the limit. Your ILR application would be refused.
How Absent Days Are Counted
The Home Office counts only whole days spent entirely outside the UK. Your departure day and return day are not counted because you were in the UK for part of those days.
The formula is: absent days = (return date − departure date) − 1
Examples:
Does the Reason for Travel Matter?
For most visa routes: no. All days outside the UK count equally, regardless of whether you are travelling for:
- Holidays
- Business trips or conferences
- Family emergencies
- Medical treatment abroad
- Weddings, funerals, or cultural events
The one exception is the Global Talent route. If you are endorsed by the Royal Society, Royal Academy of Engineering, British Academy, or UKRI, overseas work directly related to your endorsement may be excluded from the 180-day count. This does not apply to any other visa route.
What Happens If You Exceed 180 Days?
If you exceed 180 days in any rolling 12-month period, you have broken the continuous residence requirement. The consequences are serious:
- ILR application refused — The most immediate consequence. Your application will normally be refused and the fee (£3,029) is not refunded.
- Qualifying period may restart — In some cases, a serious breach can mean you need to start your 5-year qualifying period again from the date you re-established continuous residence.
- Exceptional circumstances — The Home Office has discretion to overlook breaches in genuinely exceptional circumstances: serious illness preventing travel, natural disaster, armed conflict. You need strong evidence and it is not guaranteed.
Prevention is far better than cure. Track your absences carefully throughout your qualifying period — not just when you are ready to apply.