Previously elections had taken place in the Municipal Borough of Beddington and Wallington, Municipal Borough of Sutton and Cheam and Carshalton Urban District.
A total of 157 candidates stood in the election for the 51 seats being contested across 25 wards.
These included a full slate from the Conservative and Labour parties, while the Liberals stood 42 candidates.
The Council was elected in 1964 as a "shadow authority" but did not start operations until 1 April 1965.
The results saw the Conservatives gain the new council with a majority of 9 after winning 30 of the 51 seats.