United Kingdom citizenship: required documents
The documents you'll gather for United Kingdom citizenship by descent, by route and by ancestor. Your exact list is generated from your lineage in the wizard.
British citizenship / registration
Document how your British parent acquired citizenship and the chain to you, then apply for a passport or registration via UKVI.
You
- •Your birth certificate
Your qualifying ancestor
- •Your ancestor's birth certificate
- •Proof of your ancestor's citizenship
- •Marriage / birth records linking each generation
See if you qualify for United Kingdom citizenship
Check your eligibility — freeNot affiliated with UKVI or any government. A document-organization tool, not legal advice — always verify with the relevant authority.