Brentford and Chiswick was a constituency 1918 – 1974 centred on the Brentford and Chiswick districts of Middlesex which became parts of west London in 1965. It returned one member (MP) to the House of Commons of the UK Parliament. Its electoral outcomes were Conservative except for siding with the Labour Party's victories which returned the Attlee Ministry (in 1945) and Second Wilson Ministry (in 1966).