Westerham is a town and also civil parish in the Sevenoaks District of Kent, England, located 5 miles (8 kilometres) west of Sevenoaks. It is recorded as early as the 9th century, as well as was stated in the Domesday Book in a Norman form, Oistreham (compare Ouistreham in Normandy, Oistreham in 1086). Ham is Old English for a town or homestead, therefore Westerham indicates a western homestead. The River Darent moves through the town, as well as previously powered 3 watermills. Westerham was residence to the Black Eagle Brewery, which was taken control of by Taylor Walker & Co in the 1950s, entering into Ind Coope in 1959 and also enclosing 1965. Yeast from the brewery was protected at the National Collection of Yeast Societies as well as is currently used by the existing day Westerham Brewery which was developed in 2004 by Robert Wicks. The brewery generates a variety of ales, including Westerham British Bulldog. Westerham was residence to Crayford Engineering, an effective auto conversion firm, from 1962 to the 1980s, functioning from a workshop at Squerryes Mede.