 Following the Redistribution of Seats Act 1885, the new Kensington South seat was a single-member constituency consisting of all of the parliamentary borough of Kensington south of the Uxbridge Road.Following boundary changes under the Representation of the People Act 1918, the constituency was defined as consisting of the Royal Borough of Kensington wards of Brompton, Earl's Court, Holland, Queen's Gate, and Redcliffe.In the 1950 redistribution, Brompton ward was transferred to the Chelsea constituency.