The Checklist

1. 1

   Confirm eligibility under the correct route

   The standard route requires ILR or settled status and five years' UK residence. Spouses and civil partners of British citizens can apply after three years and are not subject to the 12-month wait after ILR. Check carefully which route applies before completing Form AN.

2. 2

   Check absences against the limits for your route

   Standard route applicants must have no more than 450 days' absence in the five-year qualifying period, and no more than 90 days in the final 12 months. Spouse-route applicants must have no more than 270 days' absence in the three-year period, with the same 90-day limit in the final 12 months. Excessive absence is one of the most common reasons for refusal or for discretion not being exercised.

3. 3

   Pass the Life in the UK test

   Most adult applicants must pass the Life in the UK test before applying. Book through gov.uk, retain the unique reference number, and submit the pass notification with the application. Limited exemptions apply on grounds of age and certain medical or mental health conditions.

4. 4

   Meet the English language requirement

   Applicants must normally demonstrate CEFR B1 English in speaking and listening, evidenced by an approved Secure English Language Test, an academic qualification taught or researched in English, or nationality of a majority English-speaking country. Limited age and medical exemptions apply.

5. 5

   Satisfy the good character requirement

   Good character is assessed broadly and covers criminal convictions, deception, immigration breaches, financial soundness and adverse civil findings. Disclose all relevant matters in full; non-disclosure is itself treated as evidence against good character. Even minor or historic issues can be material and should be explained with context and evidence.

6. 6

   Identify two suitable referees

   The application requires two referees who have known the applicant for at least three years. One must be a professional person (the Home Office publishes a list of acceptable professions) and the other must be a British citizen aged 25 or over (who can also be a professional). Check referee eligibility carefully before completing Form AN — invalid referees cause delay and may require resubmission.

7. 7

   Budget for the fee and ceremony

   From 8 April 2026 the adult naturalisation fee is £1,839, made up of a £1,709 application fee and a £130 citizenship ceremony fee. The fee is non-refundable even if the application is refused. There is no priority or fast-track service available for naturalisation.

Common Mistakes

• Applying without enough qualifying residence. Both the qualifying period and the 90-day limit in the final 12 months must be met on the date of application.
• Underestimating absences. Officers cross-check against travel and HMRC records; reconstruct an accurate travel log before applying.
• Treating good character as a tick-box. Even minor non-disclosure can lead to refusal and a future bar on the good character requirement.
• Using unsuitable referees. Referee rules are strict; an invalid referee can derail an otherwise good application.
• Assuming approval is automatic if requirements are met. Naturalisation is discretionary under section 6 of the British Nationality Act 1981; the Home Office must be satisfied on the merits of each application.

Frequently Asked Questions

Visa Professionals Ltd is authorised and regulated by the Solicitors Regulation Authority. SRA number: 8016160. This guide provides general information only and does not constitute legal or immigration advice. Immigration rules, fees and Home Office guidance change frequently; this page reflects the position as understood at the time of publication. For advice on your specific circumstances, please contact us directly.