HC Deb 09 July 1979 vol 970 c7W
Dr. Edmund Marshall

asked the Secretary of State for the Home Department what periods of time elapsed, for each redistribution of parliamentary constituencies effected by legislation between 1910 and 1955, between the enactment of the relevant statute and the subsequent dissolution of Parliament.

Mr. Whitelaw

Redistribution of parliamentary seats was effected by the Representation of the People Acts which received Royal Assent on 6 February 1918 and 30 July 1948. Parliament was subsequently dissolved on 25 November 1918 and 5 February 1950.