United Kingdom — ILR 180-Day Absence Rule

Summary

Limit

180 days outside the UK

Window

Any rolling 12 months

Applies to

Every 12-month period in your qualifying time

What it protects

Continuous residence for ILR / settlement

Basis

Appendix Continuous Residence (CR 3.1)

To qualify for Indefinite Leave to Remain (ILR, also called settlement), you must not spend more than 180 days outside the UK in any rolling 12-month period during your qualifying stay. Break that limit and your continuous residence is broken, which can reset or delay your route to settlement. It is a cumulative test of all your days abroad, not just your longest single trip.

Who it applies to

This matters most if you are:

• On a work, family, or other qualifying visa route building up time toward settlement.
• A frequent business traveller whose short trips abroad add up over the year.
• Someone spending extended periods overseas — caring for family, on assignment, or between jobs.

It applies regardless of nationality. What matters is your physical time outside the UK during the qualifying period, not your citizenship. Note that different visa routes count the qualifying period slightly differently, so always confirm the rule that applies to your specific route.

The rule — and why it exists

The requirement is set out in the Immigration Rules Appendix Continuous Residence (CR 3.1): across your qualifying period you must not be absent from the UK for more than 180 days in any rolling 12-month period.

• It is a rolling window, not a calendar year. Every possible 12-month stretch is tested, and in each one your total days abroad must stay at or below 180.
• It is an aggregate, not a single-trip cap. All trips within a window are added together, so many short absences can breach the limit just as a single long one can.

Why it exists: settlement is meant for people who have genuinely made the UK their home. Continuous residence uses time spent in the country as a proxy for that commitment. A rolling aggregate closes the loophole of stringing together many trips that each stay under a single-absence threshold while still adding up to most of the year abroad.

Counting the days

The 180-day cap is a rolling aggregate. It looks at every possible 12-month window, and in each one your total days outside the UK must stay at or below 180.

1. 1Pick any day. Look back over the previous 12 months.
2. 2Add up every whole day you spent outside the UK in that window — all trips combined, not just the longest one. Departure and return days are not counted.
3. 3If the total is more than 180 days for any such window, continuous residence is broken.
4. 4The window keeps rolling forward day by day, so a heavy travel patch can trip the limit even without one long trip.

Because both cumulative short trips and a single long absence are tracked, people are often caught out by frequent travel that quietly adds up past 180 days within a 12-month stretch. The free ILR absence calculator checks every window from your trip dates and shows your worst one.

In Bounded, the UK ILR counter checks every 12-month window since its count-from date — set it to the start of your qualifying period — and shows a breach anywhere in it, whichever period the card is set to show.

Examples

Example 1 — one long absence

You take a single seven-month posting abroad (about 210 continuous days). That alone exceeds 180 days in the surrounding 12-month window, so your continuous residence is broken and your qualifying clock is affected.

Example 2 — many short trips add up

You never leave for more than a few weeks at a time, but across one 12-month period your business trips total about 195 days abroad. Even though no single trip was long, the aggregate is over 180, so the limit is breached.

Example 3 — safe in one year, caught by the rolling window

You spend 150 days abroad in the second half of one calendar year and 120 days in the first half of the next. Each calendar year looks fine, but a 12-month window spanning that turn of the year captures 270 days — comfortably over the limit.

Exceptions & edge cases

• Route-specific counting. Different visa routes define the qualifying period differently. The 10-year long residence route keeps the older caps in CR 3.3 for earlier travel: no single absence of more than 184 days where it started before 11 April 2024, and no more than 548 days in total where that total was reached before 11 April 2024. The Bounded app's UK ILR counter covers the 5-year routes only and does not check these caps.
• Permitted reasons (CR 3.4). Some absences are not counted: travel disruption caused by a natural disaster, military conflict or pandemic; compelling compassionate circumstances such as the life-threatening illness or death of a close family member; helping with a humanitarian or environmental crisis overseas; and certain route-specific cases such as sponsored research. Each must be evidenced.
• Separate from other requirements. The 180-day cap is independent of the total qualifying length (commonly five years) and of the English-language and Life in the UK test requirements.
• Permission granted before 11 January 2018. Absences during that permission are checked in consecutive 12-month periods counted back from the application date (CR 3.2), not in every rolling window.

Common misconceptions

• "It only counts my longest trip." False — every day abroad in the window is added together, so short trips accumulate toward the 180-day limit.
• "It resets each calendar year." False — the window rolls continuously, so an overlapping 12-month span can breach the cap even when each calendar year looks compliant.
• "180 days a year is always allowed." Misleading — 180 is a maximum within any rolling window, not an annual budget — planning up to 180 per calendar year can still breach the limit in a 12-month period that spans the year end.
• "A short breach can be ignored." Risky — going over 180 days can break continuous residence outright unless a specific, evidenced exception applies.

Frequently asked questions

Sources

• GOV.UK — Immigration Rules Appendix Continuous Residence
• GOV.UK — Continuous residence: caseworker guidance
• GOV.UK — Indefinite leave to remain