| Camberwell Dulwich (1885 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Camberwell Peckham (1885 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Cardiganshire (1832 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Carshalton (1918 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). Full name (in Craig 3,4) Surrey, Carshalton |
| Central Ayrshire (1950 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). Full name (in Craig 4) Ayrshire and Bute, Central Ayrshire |
| Chelsea (1832 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). Constituency of same name also existed 1983-1997. |
| Chertsey (1885 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). Full name (in Craig 2,3,4) Surrey, Chertsey |
| Chigwell (1950 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). Full name (in Craig 4) Essex, Chigwell |
| Cities of London and Westminster (1950 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). Constituency of same name reformed 1997. |
| Clackmannan and East Stirlingshire (1950 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). Full name (in Craig 4) Stirlingshire and Clackmannanshire, Clackmannan and East Stirlingshire |
| Cleveland (1885 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). Full name (in Craig 2,3,4) Yorkshire (North Riding), Cleveland |
| Coventry East (1945 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Coventry North (1950 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Coventry South (1950 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). Constituency of same name reformed 1997. |
| Deptford (1885 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Dover (1832 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). Full name (in Craig 3,4) Kent, Dover. Constituency of same name reformed 1983. |
| Dudley (1832 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Dumfriesshire (1832 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Dunfermline Burghs (1950 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Ealing South (1950 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| East Ham North (1918 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| East Ham South (1918 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Enfield East (1950 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Enfield West (1950 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Epping (1885 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). Full name (in Craig 2,3,4) Essex, Epping |