Ramsden is an area in south-east London, generally considered a suburb of Orpington, located in the London Borough of Bromley and, prior to 1965, within the historic county of Kent. It is situated south of Derry Downs and St Mary Cray, east of Orpington town centre and north of Goddington. It was built as a council estate in the 1950-60s and is directly adjacent to the London Green Belt.