One F.C. in London is Chelsea.
Chelsea Football Club ( [ ˈtʃɛlsiː ] ) is an English professional football club based in Fulham , London , that competes in the Premier League , of which they are reigning champions . Chelsea are the only London club to win the UEFA Champions League , and one of five clubs to have won all three main UEFA club competitions , first English to do so . Kensington and Chelsea London Borough Council is the local authority for the Royal Borough of Kensington and Chelsea in Greater London , England . UEFA Champions League . It is one of the most prestigious tournaments in the world and the most prestigious club competition in European football , played by the national league champion ( and , for some nations , one or more runners-up ) of each UEFA national association .