Clapham Common is a triangular area of grassland of about 200 acres (0.8 km²) in size, situated between Clapham, Battersea and Balham in south London, England. Although most of it lies in the London Borough of Wandsworth it is wholly managed and maintained by the London Borough of Lambeth. However, policing of the common is divided between Wandsworth and Lambeth police boroughs, according to borough boundaries. It has 3 ponds and a paddling pool. The common is surrounded by many fine houses which began to be built in the 1790s and became fashionable dwellings in (what was then) this village...