1. Confirm your route
Most adults apply by naturalisation. Some people apply by registration (often children, or specific circumstances).
Read detailsDocuments to prepare
The exact list depends on your route and answers. These are common items to have ready so you can move quickly when the form requests them.
Identity and status
- Current passport and any relevant previous passports
- Proof of immigration status (eVisa share code or BRP if you have one)
- Marriage or civil partnership documents (if relevant)
Knowledge and good character
- Proof of English language ability (if required)
- Life in the UK Test pass evidence (if required)
- Details of convictions and civil penalties, if any
Citizenship checklist
Use this as a preparation checklist, then follow the exact document list shown in your GOV.UK application.
2. Check time in the UK
Review residence requirements and absences carefully. If you are married to a British citizen, the rules can differ.
Read details3. Prepare evidence
Have your identity documents, immigration status proof, and supporting evidence ready before you start the form.
Read details4. Apply and upload
Apply online, then upload your documents. Your application will show the exact evidence list for your circumstances.
Read details
Official starting points:
British citizenship overview,
Apply for citizenship with ILR,
Apply for citizenship with settled status.