The constituency was created for the 1950 general election, and abolished for the 1983 general election. It had three different sets of boundaries during its existence, and elected a new MP on each one of those occasions.
Boundaries
1950–1955: The Urban Districts of Kingswood and Mangotsfield, and the Rural Districts of Sodbury and Warmley.
1955–1974: The Rural Districts of Sodbury, Thornbury, and Warmley. Thornbury Rural District was added to the seat from the abolished Stroud and Thornbury constituency.[5]
1974–1983: The Rural Districts of Sodbury and Thornbury.[6]Warmley Rural District was transferred to the new Kingswood constituency.
Predecessor and successor constituencies
From 1885 to 1950 much of the area of the constituency was represented by the Thornbury constituency,[7] and from 1950 to 1955 by Stroud and Thornbury.[8]
When the constituency was abolished in 1983, 80.54% of it was transferred to the new constituency of Northavon, 14.75% to the redrawn Bristol North West and 4.70% to the redrawn Stroud.[1]
^Percentage change and swing for February 1974 is calculated relative to the BBC notional 1970 constituency result, not actual 1970 result. Notional 1970 results were rounded to the nearest hundred. Constituency data for 1974-83 including 1970 notionals, retrieved 18 July 2017
^ abcdeBritish parliamentary election results, 1950-1973 by FWS Craig
^ abF W S Craig, British Parliamentary Election Results 1950-1973; Political Reference Publications, Glasgow 1973