Previously elections had taken place in the Municipal Borough of Brentford and Chiswick, Municipal Borough of Heston and Isleworth and Feltham Urban District.
A total of 169 candidates stood in the election for the 60 seats being contested across 20 wards.
These included a full slate from the Conservative and Labour parties, while the Liberals stood 45 candidates.
The Council was elected in 1964 as a "shadow authority" but did not start operations until 1 April 1965.
The results saw Labour gain the new council with a majority of 36 after winning 48 of the 60 seats.