1) Area of London 
Roundshaw is a housing estate and park in south Wallington on the eastern edge of the London Borough of Sutton. Grid Ref {gbmappingsmall|TQ302633}. ==History== Roundshaw was built on part of the site of the former Croydon Airport, and occupies the area which once stood the buildings of the first Croydon Aerodrome (the `Plough Lane` aerodrome) wh.....