Residence
6 yrs
Via marriage
~3 yrs
By descent
Parent
Dual citizenship
Allowed
Recent change: The government has proposed an 'earned settlement' model with a 10-year baseline for settlement. As of October 2026 it is a proposal, not yet law.
Naturalisation by residence
Usually 5 years on a qualifying visa to get Indefinite Leave to Remain (settlement), then 12 months with settled status before applying (about 6 years in total). Absence limits apply.
Through marriage
If married to a British citizen you can apply as soon as you have settled status and 3 years of UK residence.
By descent (ancestry)
Children born abroad to a parent who is British 'otherwise than by descent' are British by descent (one generation). A UK-born grandparent gives access to the UK Ancestry visa, a work route to settlement, not citizenship directly.
Language & tests
English at B1 or higher and the Life in the UK test.
Dual citizenship
The UK allows dual citizenship.
Frequently asked questions
How many years does it take to get United Kingdom citizenship?
The standard requirement is 6 years. Usually 5 years on a qualifying visa to get Indefinite Leave to Remain (settlement), then 12 months with settled status before applying (about 6 years in total). Absence limits apply.
Does United Kingdom allow dual citizenship?
Allowed. The UK allows dual citizenship.
Can I get United Kingdom citizenship through marriage?
If married to a British citizen you can apply as soon as you have settled status and 3 years of UK residence.
Can I get United Kingdom citizenship through my parents or grandparents?
Children born abroad to a parent who is British 'otherwise than by descent' are British by descent (one generation). A UK-born grandparent gives access to the UK Ancestry visa, a work route to settlement, not citizenship directly.
This guide is general information, not legal advice. Requirements change and individual circumstances matter; confirm with GOV.UK – Becoming a British citizen or a qualified immigration lawyer before applying.