The constituency was created for the 1950 general election, and abolished for the February 1974 general election. In a repeat of the outcome of its direct forerunner Ealing East and its larger precursor in turn, Ealing created in 1885, it was won by the Conservative standing. The runner-up at each election was the Labour candidate, as with its predecessors since 1924 inclusive.
Map that gives each named seat and any constant electoral success for national (Westminster) elections for Middlesex, 1955 to 1974.
The seat was: the southeast portion of the dark-shaded local government area abolished as a council in 1965.
The seat emulates the Ealing district or locality of the larger London Borough of Ealing (larger as it took in Acton and Southall Boroughs), but omitted the northern Hanger Hill ward of Ealing as it then stood, see Ealing North.
Throughout: the zone was fixed as the Ealing M.B., Middlesex six wards: Castlebar, Drayton, Grange Grosvenor, Lammas, Manor, and Mount Park.[2][3]
As to local government body from 1965 its components closely approximated to the south-central wards of the combination council, a replacement of three boroughs, the London Borough of Ealing. These were named Central, Cleveland, Northfields and Walpole.[4]