United Kingdom · Citizenship & Renewals

British citizenship by naturalisation

The legal process by which adults who hold Indefinite Leave to Remain (ILR) or settled status become British citizens with full nationality and passport rights.

Who it suits

Who this pathway suits

Settled residents who have held ILR for at least 12 months (or immediately if married to a British citizen).

Eligibility

Eligibility at a glance

  • Aged 18 or over of sound mind
  • Held ILR or settled status for at least 12 months (requirement waived if married to a British citizen)
  • Lived in the UK for at least 5 years (3 years if married to a British citizen)
  • Absences under 450 days in 5 years (and under 90 days in the 12 months prior to applying)
  • Pass Life in the UK Test and B1 English
  • Meet good character requirement (no serious criminal convictions, tax compliance)
Process

How the process works

  1. Submit Form AN online on GOV.UK
  2. Provide two referees (one professional, one British citizen)
  3. Biometrics at UKVCAS
  4. Attend citizenship ceremony at local council
  5. Receive Naturalisation Certificate and apply for British passport
Documents

Documents you will typically need

  • ILR proof, Life in the UK certificate, English qualification, referee declarations, full passport travel history
Good to know

What to keep in mind

British law permits dual citizenship; you do not need to renounce your original nationality unless your home country prohibits it.

Official source: GOV.UK — Apply for British citizenship. Government authorities make all final decisions; no outcome is guaranteed.

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