| Basildon |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Basildon and Billericay |
|
| Basildon South and East Thurrock |
Successor to Basildon |
| Basingstoke |
Full name (in Craig 2,3,4) Hampshire, Basingstoke |
| Bassetlaw |
Full name (in Craig 2,3,4) Nottinghamshire, Bassetlaw |
| Bath |
|
| Bathgate and Linlithgow |
|
| Batley and Morley |
|
| Batley and Spen |
|
| Battersea |
|
| Battersea and Clapham, Battersea |
|
| Battersea and Clapham, Clapham |
|
| Battersea North |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Battersea South |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Beaconsfield |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Beaumaris District of Boroughs |
|
| Bebington |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Bebington and Ellesmere Port |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Beckenham |
|
| Beckenham and Penge |
|
| Bedford |
Constituency of same name also existed 1832-1983. |
| Bedford |
Full name (in Craig 3,4) Bedfordshire, Bedford. Constituency of same name reformed 1997. |
| Bedfordshire |
|
| Bedfordshire Mid |
|
| Bedfordshire North |
|