| Sudbury and Woodbridge (1950 - 1983) |
Full name (in Craig 4) Suffolk, Sudbury and Woodbridge |
| Sunderland North (1950 - 2010) |
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| Sunderland South (1950 - 2010) |
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| Surbiton (1950 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). Constituency of same name also existed 1983-1997. |
| Surrey East (1950) |
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| Torrington (1950 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). Full name (in Craig 4) Devon, Torrington |
| Tottenham (1950 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). Constituency of same name also existed 1885-1918, and reformed 1983. |
| Truro (1950 - 1997) |
Constituency of same name also existed 1832-1918. |
| Wanstead and Woodford (1950 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). Constituency of same name reformed 1983. |
| West Ham North (1950 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). Constituency of same name also existed 1885-1918. |
| West Ham South (1950 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). Constituency of same name also existed 1885-1918 |
| West Lothian (1950 - 1983) |
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| West Stirlingshire (1950 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). Full name (in Craig 4) Stirlingshire and Clackmannanshire, West Stirlingshire |
| Woking (1950) |
Full name (in Craig 4) Surrey, Woking |
| Wolverhampton North East (1950) |
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| Wolverhampton South West (1950 - 2024) |
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| Worcestershire South (1950 - 1997) |
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| Yarmouth (1950 - 1983) |
Full name (in Craig 4) Norfolk, Yarmouth |