2010
| Constituency | Notes |
|---|---|
| Wentworth and Dearne (2010 - 2024) | Most of the constituency succeeds Wentworth however the large settlement of Dearne was instead the largest in Barnsley East and Mexborough |
| Wiltshire South West (2010) | |
| Witham (2010) | New constituency formed due to increased population in the area |
| Worsley and Eccles South (2010 - 2024) | |
| Wyre and Preston North (2010 - 2024) | |
| York Central (2010) | |
| York Outer (2010) | Boundary changes |