The
Great Western Railway (GWR) opened on its New North Main Line (now the
Acton–Northolt line) on 2 May 1904. This was closed when the current
London Underground station was opened on 30 June 1947, as part of the extension of the Central line to . The station was designed in 1938 by
Brian Lewis, later the GWR's chief architect, but completion was delayed by the
Second World War. The finished building was modified by the architect
Frederick Francis Charles Curtis. A planned tower and extended wing were never built, leaving the station smaller than intended. In July 2011, the station was one of 16 London Underground stations that were given
Grade II listed status. ==Services==