| Plymouth, Drake (1974 - 1997) |
Constituency first used at the February General election of 1974 (28/02/1974). Seat of same name existed 1918-1950. |
| Pontefract and Castleford (1974 - 2010) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Portsmouth North (1974) |
Constituency first used at the February General election of 1974 (28/02/1974). Constituency of same name also existed 1918-1950. |
| Reading North (1974 - 1983) |
Constituency first used at the February General election of 1974 (28/02/1974). Constituency of same name also existed 1950-1955. |
| Reading South (1974 - 1983) |
Constituency first used at the February General election of 1974 (28/02/1974). Constituency of same name also existed 1950-1955. |
| Redbridge Ilford North (1974 - 1983) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Redbridge Ilford South (1974 - 1983) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Redbridge Wanstead and Woodford (1974 - 1983) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Reigate and Banstead (1974 - 1983) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Rhondda (1974 - 2024) |
Constituency first used at the February General election of 1974 (28/02/1974). Constituency of same name also existed 1885-1918. |
| Richmond Upon Thames Richmond (1974 - 1983) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Roxburgh Selkirk and Peebles (1974 - 1983) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Royal Tunbridge Wells (1974 - 1983) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Scarborough (1974 - 1997) |
Constituency first used at the February General election of 1974 (28/02/1974). Constituency of same name also existed 1832-1918. |
| Shoreham (1974 - 1997) |
Constituency first used at the February General election of 1974 (28/02/1974). Constituency of same name also existed 1832-1885. |
| Southwark Bermondsey (1974 - 1983) |
Constituency first used at the February General election of 1974 (28/02/1974). Constituency of same name also existed 1885-1918. |
| Southwark Dulwich (1974 - 1983) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Southwark Peckham (1974 - 1983) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Staffordshire South West (1974 - 1983) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Stirling Falkirk and Grangemouth (1974 - 1983) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Stirlingshire East and Clackmannan (1974 - 1983) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Stirlingshire West (1974 - 1983) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Surrey North West (1974 - 1997) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Sussex Mid (1974) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Sutton Carshalton (1974 - 1983) |
Constituency first used at the February General election of 1974 (28/02/1974). |