1997
| Constituency | Notes |
|---|---|
| Carmarthen East and Dinefwr (1997 - 2024) | |
| Carmarthen West and Pembrokeshire South (1997 - 2024) | |
| Ceredigion (1997 - 2024) | |
| Charnwood (1997 - 2024) | |
| Chatham and Aylesford (1997) | |
| Chelmsford West (1997 - 2010) | |
| Chingford and Woodford Green (1997) | |
| Cities of London and Westminster (1997) | Constituency of same name also existed 1950-1974¹. |
| Cleethorpes (1997 - 2024) | |
| Clwyd South (1997 - 2024) | |
| Clwyd West (1997 - 2024) | |
| Coatbridge and Chryston (1997 - 2005) | |
| Colchester (1997) | Constituency of same name also existed 1832-1983. |
| Coventry South (1997) | Constituency of same name also existed 1950-1974¹. |
| Croydon North (1997 - 2024) | Constituency of same name also existed 1918-1955. |
| Devon East (1997 - 2024) | |
| Devon South West (1997) | |
| Dorset Mid and Poole North (1997) | |
| Dudley North (1997 - 2024) | |
| Dudley South (1997 - 2024) | |
| Dulwich and West Norwood (1997) | |
| Ealing, Acton and Shepherd's Bush (1997 - 2010) | |
| East Ham (1997) | |
| Edinburgh East and Musselburgh (1997 - 2005) | |
| Edinburgh North and Leith (1997) |