pond is the largest of the ponds on the common, and was created as the result of gravel extraction during the 19th century. The most recent pond to be created, Bidder's pond, was created in 1990 and named for George Parker Bidder. Buildings There are a few buildings on the common. The buildings comprising the Windmill Trading Estate have existed in one form or another since 1782, when the estate was established as workhouses for the poor. Companies to have utilised the buildings include Hooper's Telegraph Works. Recently the Estate has been replaced by a mixed-tenure of housing apartments. The Mill House Ecology Centre and the Harvester (formerly the Mill House Pub) are located near the site of an old windmill, the remnants of which still exist. There also exists upon the common a carved granite stone in commemoration of George Parker Bidder. See also List of parks and open spaces in the London Borough of Croydon References External links Mitcham Common Conservators homepage Friends of Mitcham Common homepage Parks and open spaces in the London Borough of Merton Parks and open spaces in the London Borough of Croydon Common land in London