It was abolished in 1974 under the Local Government Act 1972, and the area became a part of the new Metropolitan Borough of Trafford in Greater Manchester.

The town of Altrincham had been a seigneurial borough from 1290,[1] with a limited degree of self-governance whilst remaining under the jurisdiction of the lord of the manor.

[5] The urban district council built itself Altrincham Town Hall on Market Street in 1901 to serve as its headquarters.

[7] In 1937, Altrincham Urban District was granted a charter of incorporation, converting it into a municipal borough.

The Conservatives won control again in 1966 and held it until the council's final election in 1972 when they became the second-largest single party for the first time since 1949, and their only successful return was unopposed in South West ward.