How is the 10-year permanent residency gap calculated? Which departures will reset the 10 years?

In July 2024, the Home Department added a clarification to the Long Residence case guidance, narrowing the old figure of 548 days into a very limited scope: it only applies to the period before April 11, 2024, within the ten-year qualifying period. Going back three months, no one dared to give an answer - on April 11, Appendix Long Residence officially replaced paragraph 276B, changing the exit limit from "no more than 184 days per trip and no more than 548 days in total over ten years" to "no more than 180 days in any rolling 12-month period". From 2024 backwards, regardless of how you count, there will always be years where the old rules still applied.

So, the question "Will there be a gap in ten years?" should be answered by looking at different time periods.

Is 548 days still valid? Only the period before April 11, 2024.

Appendix Continuous Residence's CR 2.2A is very specific: For the period of eligibility in the long-term residency application prior to April 11, 2024, each single departure shall not exceed 184 days, and the total for this period shall not exceed 548 days; absence after April 11, 2024, will be counted based on any rolling 12-month period not exceeding 180 days. The two sets of limits apply to separate periods, without being added together or overlapping. Home Office The current "Long residence" case processing guidelines (August 3, 2026 edition) state that for a ten-year period crossing April 11, 2024, there is no total of 548 days for the entire ten years.

Recalculate using today's date. Submitted in October 2026, the eligibility period is counted back to October 2016. Approximately seven and a half years fall under the old criteria (looking at a single trip of 184 days and the total during this period), and the most recent two and a half years are calculated using an 180-day rolling window. Both periods need to meet the requirements.

My judgment is that for those who have a ten-year line, the exit risk should be managed based on the duration of each single trip, rather than focusing on the total days within ten years. Splitting a long visit into two parts and squeezing them into different 12-month windows is a valid arrangement under the current rules; delaying the trip in order to meet the "total ten-year days should not exceed 548" target uses an old rule that no longer applies to people submitting applications now.

Which situations can really make ten years zero?

Once continuous residence is interrupted, the effect is not a pause, but the line of calculation breaks at the interruption point: Appendix Continuous Residence calculates from the application date backwards. Time before the break point cannot be counted anymore, so it has to be accumulated again from after the break point. The following are the real cases that would cause this consequence.

LR 11.2 clearly excludes the status of immigration bail, temporary entry, temporary release, and the time of overstaying from the ten years. The fifth row in the table is most prone to problems because the parties usually still live in the UK and are still working, and do not realize they have already crossed that line.

In other words, as long as the absence for each rolling 12 months is within 180 days, leaving for five months in a year does not constitute a gap, the number of days itself will not become a problem just because "it seems too long."

Return to the country before the visa expires to wait for a new visa, how is this gap period calculated?

This is the most common scenario in ten years of online history: students' visas are about to expire, they return home first, and then fly back a few weeks or months later with a new visa.

Appendix Continuous Residence rules state that periods without permission will break continuous residence; however, there is a specific exception for long-term residency applications - if the person was holding a permit when leaving and holds a valid permit upon returning to the UK (by the same route or another route), and the absence does not exceed the CR limit, this gap will not constitute a break.

The exception applies, but it does not count towards the ten years. LR 11.1 requires that each day of the qualifying period falls within the validity of the permit (excluding visitors, Short-term Student language courses, and seasonal workers). The days when the person is outside the country and does not have a permit are neither considered as gaps nor as legal residence within the ten years, resulting in the expiry date being extended. The part that is easy to miss is that the long-term resident-specific exception does not exist in the five-year work permit path. The same period of absence may lead to different conclusions on the two paths.

The materials needed to confirm which side you are on are very simple: list every entry and exit over the past ten years in three columns (date of departure, date of return to the UK, and the details of the visa held at that time including its start and end dates). It will be immediately obvious where the gaps are and whether the visa was still valid on the day of departure. The two trips that cross over the year should be counted separately according to the overlapping periods with each window.

The characteristics of the ten-year line are that the time is too long, the route often changed three or four times, and the breakpoints are often buried in the journey that was never mentioned again in the third or fourth year. Making that three-column table is more useful than remembering any number of days.

This document is for reference only. For specific issues, please consult a licensed attorney.

[Data Source] Current Immigration Rules Appendix Continuous Residence: https://www.gov.uk/guidance/immigration-rules/immigration-rules-appendix-continuous-residence; Appendix Long Residence: https://www.gov.uk/guidance/immigration-rules/immigration-rules-appendix-long-residence; Home Office "Long residence" case guidance version dated August 3, 2026: https://assets.publishing.service.gov.uk/media/6924762cf2b88d41c7ba7ed0/Long+residence.pdf

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