London Biggin Hill Airport (IATA: BQH, ICAO: EGKB) is an airport at Biggin Hill in the London Borough of Bromley, located 12 NM (22 km; 14 mi) south-southeast of Central London. The airport was formerly the Royal Air Force station RAF Biggin Hill, and a small enclave on the airport still retains that designation.
More information on the Wikipedia page [1]. The website is [2].