ILR 28-Day Rule: Apply Early Calculator & Guide UK

Quick links: 180-Day Absence Rule, 10-Year ILR Rule Guide, Eligibility Calculator

What does “28 days early” mean?

The Indefinite Leave to Remain (ILR) rules allow applicants to submit their application up to 28 calendar days before they reach their 5-year or 10-year qualifying period. Any earlier submission is invalid.

Why this rule exists

The flexibility helps applicants avoid problems such as:

• Your visa expires just before you hit the qualifying date.
• You want to align your ILR with travel or work plans.
• You need time for biometrics and processing without overstaying.

Step-by-step example

Imagine your qualifying 5-year period ends on 15 October 2026:

• Qualifying end date: 15 October 2026
• Earliest you can apply: 17 September 2026
• An application made before 17 September 2026 is refused automatically

The rule applies in the same way whether you are on a Skilled Worker visa, a BNO visa or another long-term route.

Common mistakes to avoid

• Applying more than 28 days early, even by one day.
• Using your visa issue date instead of your actual UK entry date.
• Forgetting to check absences against the rolling 180-day rule.
• Not keeping evidence such as passport stamps or employer letters to prove residence.

How to plan ahead

1. Find your qualifying start date (visa grant date or entry date).
2. Add your qualifying period (usually 5 years).
3. Count back 28 days to get your earliest application date.
4. Check your dates with the ILR calculator.

Official resources

Check the latest guidance directly from official sources:

• Immigration Rules (official GOV.UK guidance)
• UK Parliament: Commons Library immigration briefings
• ILR overview on GOV.UK

Why users search for this query

Most applicants look for “apply ILR 28 days early” because they are close to their visa expiry or want to avoid overstaying. This rule:

• Provides certainty for application planning
• Avoids unnecessary visa extension costs
• Saves time by syncing with biometric and document appointments

The early application formula

The Home Office allows UK visa holders to submit an Indefinite Leave to Remain application up to 28 days before they complete their qualifying residence period. The concession gives applicants time to compile documents and submit their forms without their existing visa expiring. Calculating the window, however, requires precision.

The formula to calculate your earliest application date is as follows:

1. Identify your residency start date. For most economic routes (Skilled Worker), this is the date you entered the UK on your visa, or the date your initial visa was granted if you were already in the UK.
2. Add exactly 5 years (or 3 years for fast-track routes) to find your qualifying end date.
3. Subtract 28 days from that end date. This is the absolute earliest date on which you can click “submit” and pay your fee online.

It is critical to note that the date of application is the date you pay the Home Office fee online, not the date of your biometrics appointment.

Caseworker scrutiny of early filings

Home Office caseworkers are trained to check the exact date of submission. When they open your file, the first calculation they perform is verifying whether the submission date fell within the 28-day window. If they find that you applied 29 days or more before your qualifying period was complete, the consequences are severe.

In that case the caseworker is instructed to refuse the application. They will not wait for the extra day to pass, nor contact you to ask for a resubmission. Because the application was officially processed, you will not receive a refund of your £3,226 fee, and you must pay the full fee again to submit a new, compliant application.

Risks of applying 29 days early

Applying too early is one of the most common administrative mistakes. It typically occurs when applicants confuse their date of visa grant with their date of entry to the UK, or miscalculate the days in a calendar month.

If your current visa is close to expiry and you are applying early to avoid becoming an overstayer, make sure you do not cross the 28-day line. If you submit on day 29, the refusal means your continuous residence is broken when your visa expires. Use the early submission calculator to verify your dates to the single day.

If your online transaction fails on the final day, or you hit technical problems with the UKVI payment gateway, do not rush a second payment that accidentally falls outside the window. Keep a close record of your transaction attempts and check that the payment confirmation matches your target submission date.

Worked examples for common visas

Here are two common scenarios illustrating correct and incorrect calculations:

Scenario A: correct Skilled Worker calculation

An applicant’s Skilled Worker visa was granted on 15 August 2021 and they entered the UK on 20 August 2021. Their 5-year qualifying period ends on 20 August 2026. Subtracting 28 days gives an earliest application date of 23 July 2026. They submit on 25 July 2026. Outcome: the application is valid and approved.

Scenario B: early refusal trap

An applicant with the same entry date (20 August 2021) submits on 21 July 2026, 30 days early, assuming that their biometrics appointment on 10 August 2026 will cover the gap. Outcome: the caseworker refuses the application immediately because the online submission date fell outside the 28-day concession.

Early submission checklist

Run through these checks so that you do not fall into the early application trap:

• Confirm your entry date: check your passport entry stamp for the exact date you first arrived in the UK under your qualifying visa.
• Check CoS details: verify the start date on your initial Certificate of Sponsorship if you switched inside the UK.
• Account for leap years: make sure your day subtraction accounts for calendar length (for example, July has 31 days).
• Online submission date: do not complete payment until the online system shows that you have reached or passed the earliest date.
• Evidential documents: make sure all bank statements and payslips are dated within 28 days of your submission date to satisfy the currency rule.