Korean translation. This page is translated from the canonical English version for general information. UK legal terms do not always translate exactly — check the English source for legal decisions and seek professional advice for important matters. The English page is authoritative.
All Legal Journeys
Immigration Law
UK-wide
5 stages
6–12 months
Reviewed 2026-05-22
Naturalisation journey
From eligibility check (ILR + residence + Life in UK + English) to citizenship ceremony.
Who Uses This Journey
Holders of Indefinite Leave to Remain (or EUSS settled status) seeking to become British citizens.
Stage-by-Stage Timeline
1
1
Eligibility check
5 years' residence (3 if married to British), 12 months' ILR, absences within limits, Life in UK + English B1, good character. Use our citizenship checker.
2
2
Form AN
Apply on Form AN. Adult fee £1,630 (plus biometric £19.20).
3
3
Biometric appointment
At UKVCAS service point.
4
4
Decision
Decision typically 4–6 months. Refusals reviewable or judicially reviewable.
Possible Outcomes
- Approved
- Refused (administrative review or JR)
5
5
Citizenship ceremony
Within 90 days of approval. Oath of allegiance + pledge. Certificate issued; passport application thereafter.