Most Indians can apply to naturalise as British citizens 12 months after getting ILR, or straight away if married to a British citizen. The fee is £1,839, including the ceremony. India does not allow dual citizenship, so becoming British ends your Indian citizenship. You must then surrender your Indian passport and usually apply for an OCI card.
| Standard route (ILR) | Married to a British citizen | |
|---|---|---|
| Residence | 5 years in the UK | 3 years in the UK |
| Status needed | ILR held for 12 months (or settled status) | ILR or settled status, no waiting period |
| Total absences | No more than 450 days in 5 years | No more than 270 days in 3 years |
| Last 12 months | No more than 90 days out | No more than 90 days out |
The residence period is counted back from the date the Home Office receives your application, and you must have been physically in the UK on the date exactly 5 (or 3) years before. Pick your date carefully if you travel to India often.
You also need to be 18 or over, have passed the Life in the UK test (your ILR pass counts), meet the English requirement (usually B1; the proof used for ILR normally counts), intend to keep living in the UK, and be of good character.
These are the rules in force on 15 October 2026. The earned-settlement proposals could later change citizenship timelines too, but that needs new primary legislation and nothing has been introduced.
The Home Office looks at your whole record, not just criminal convictions. Things that can lead to refusal include:
Declare everything, even minor matters. If you filed Self Assessment late, sort out penalties first (see Self Assessment).
The fee is £1,839: £1,709 for the application and £130 for the citizenship ceremony. It is not refunded if you are refused, so check every requirement first. You apply online and give biometrics at a UKVCAS centre. You also need two referees; check the current naturalisation guidance for who qualifies.
After approval, the Home Office sends an invitation and you contact your local council to book a ceremony, usually within 3 months. At the ceremony you make an oath or affirmation and pledge, and receive your certificate of naturalisation. You become a British citizen on the date of the ceremony, not on the date of approval.
You then apply for a British passport separately through HM Passport Office, using the certificate. Check the current passport fee on GOV.UK.
India does not allow dual citizenship. Under section 9 of the Citizenship Act 1955, an Indian citizen who voluntarily acquires another citizenship automatically stops being an Indian citizen. For you, that is the ceremony date.
From that moment:
The exact form names, fees, any late-surrender penalties and processing times are set by the High Commission of India and VFS Global. Check with VFS/Indian High Commission before you submit.
Overseas Citizenship of India (OCI) is the usual way former Indian citizens keep easy access to India. It is not dual citizenship. It is widely described as a lifelong multiple-entry visa with no right to vote or hold public office, but check the current rights and restrictions with VFS/Indian High Commission or the official OCI portal, as they have changed over time.
The usual sequence:
You usually need your British passport, the surrender certificate, proof of Indian origin (old Indian passport) and photos. Children, spouses and fees each have specific rules. Check the fee and document list with VFS/Indian High Commission.
OCI processing can take weeks or months. If you need to travel to India before your OCI arrives, you may need an Indian visa on your British passport. Check with VFS or the Indian High Commission.
Usually 12 months after getting ILR. If you are married to a British citizen, you can apply as soon as you have ILR, provided you meet the 3-year residence rule.
£1,839 per adult since 8 April 2026, made up of £1,709 for the application and £130 for the ceremony.
No. India does not allow dual citizenship. Your Indian citizenship ends when you become British, and you must surrender the passport.
No. OCI is a long-term status for people of Indian origin that lets you visit and live in India, but it does not make you an Indian citizen.
No. The pass you used for ILR is also valid for citizenship.
Checked against these sources on 14 October 2026. Rules and fees change; confirm with the authority before you apply.