Biggin Hill is a town in the London Borough of Bromley, about 15.2 miles (24.5Â km) south-southeast of Charing Cross. It is separated from London's built-up area by the Metropolitan green belt and is located adjacent to the Greater London boundary with Kent and Surrey. Prior to the creation of Greater London in 1965, it was part of Kent. At the 2011 Census, Biggin Hill had a population of 9,951.
Biggin Hill is one of the highest points of Greater London, rising to over 210 metres (690Â ft) above sea level. Biggin Hill Airport occupies land formerly used by RAF Biggin Hill, one of the principal fighter bases protecting London from German bombers during the Battle of Britain and The Blitz.