What is ILR?
Indefinite Leave to Remain = permanent residency in UK. No expiration date. Can live, work, study indefinitely. Gateway to citizenship.
Routes to ILR
After 5 years on work visa. After 10 years on other visas. Spousal: after 2 years. Ancestry: immediate (if British grandparent). Refugee: 5 years after protection granted.
How to Apply
Form FLR(ILR) online through UK Visas and Immigration. Fee: £2,414. Processing: 4-6 weeks. Biometric appointment required.