Question: what are the requirements for permanent residence in uk?
Answer: Marriage or unmarried partner to UK citizen: 2 years.
Lawful stay on any basis (long stay): 10 years.
Unlawful stay: 14 years.
Tier 1 and Tier 2 work permit: 5 years.
Investor, sportsperson, business owner, arts: 5 years.
Ancestry: 5 years.