http://www.barking-dagenham.gov.uk/4-heritage/becontree/becontree-menu.html The Becontree Housing Estate] (LB Barking & Dagenham) accessed 25 February 2009 In 1931, the Ford Motor Company relocated to a 500 acres site at Dagenham, and in 1932 the District line was extended to Upminster; bringing further development to the area.