<P> A person aged between 18 and 25 who has lived in the UK for at least half of his / her life (lawfully or unlawfully, but discounting any period of imprisonment) can apply for leave to remain on the grounds of private life using Form FLR (FP). During the period of continuous residence, the person must not have not left the UK for more than 540 calendar days in total (18 months), or more than 180 calendar days (6 months) at one time . After living in the UK for 10 years continuously (holding leave to remain on the grounds of private life during this period), he / she can apply for ILR . </P> <P> A person who has lived in the UK for 20 years continuously (lawfully or unlawfully, but discounting any period of imprisonment) can apply for leave to remain on the grounds of private life using Form FLR (FP). During the 20 - year period of continuous residence, the person must not have not left the UK for more than 540 calendar days in total (18 months), or more than 180 calendar days (6 months) at one time . After living in the UK for a further 10 years continuously (holding leave to remain on the grounds of private life during this period), he / she can apply for ILR . </P> <P> Alternatively, a person who has lived in the UK for less than 20 years continuously (lawfully or unlawfully, but discounting any period of imprisonment), but faces very significant obstacles to integrating into the country to which he / she would have to go if required to leave the UK, can apply for leave to remain on the grounds of private life using Form FLR (FP). During the period of continuous residence, the person must not have not left the UK for more than 540 calendar days in total (18 months), or more than 180 calendar days (6 months) at one time . After living in the UK for a further 10 years continuously (holding leave to remain on the grounds of private life during this period), he / she can apply for ILR . </P> <P> UK Visas and Immigration has discretion to grant ILR outside the Immigration Rules either where someone qualifies under one of the immigration policy concessions or for reasons that are particularly compelling in circumstance and it is almost certain that there will be no change in circumstances within five years . </P>

Who can apply for indefinite leave to remain in the uk