| 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 |
|
| Bedfordshire North East |
|
| Bedfordshire South |
|
| Bedfordshire South West |
|
| Bedwellty |
Full name (in Craig 3,4) Monmouthshire, Bedwellty |
| Beeston |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Belfast |
|
| Belfast Cromac |
|
| Belfast Duncairn |
|
| Belfast East |
Constituency of same name reformed 1922 |
| Belfast East |
Constituency of same name also existed 1885-1918. |
| Belfast Falls |
|
| Belfast North |
Constituency of same name reformed 1922 |
| Belfast North |
Constituency of same name also existed 1885-1918. |
| Belfast Ormeau |
|
| Belfast Pottinger |
|
| Belfast Shankill |
|
| Belfast South |
Constituency of same name reformed 1922. |
| Belfast South |
Constituency of same name also existed 1885-1918. |