| Belfast South and Mid Down |
|
| Belfast St Anne's |
|
| Belfast Victoria |
|
| Belfast West |
Constituency of same name reformed 1922. |
| Belfast West |
Constituency of same name also existed 1885-1918. |
| Belfast Woodvale |
|
| Belper |
Full name (in Craig 3,4) Derbyshire, Belper |
| Berkshire |
|
| Berkshire East |
|
| Bermondsey |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Bermondsey and Old Southwark |
|
| Bermondsey Rotherhithe |
|
| Bermondsey West Bermondsey |
|
| Berwick and East Lothian |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Berwickshire |
|
| Berwickshire and East Lothian |
Constituency first used at the February General election of 1974 (28/02/1974). Slight change of name rather than true revision in 1974 - see Berwick and East Lothian. |
| Berwickshire and Haddingtonshire |
|
| Berwickshire, Roxburgh and Selkirk |
|
| Berwick-upon-Tweed |
Full name (in Craig 2,3,4) Northumberland, Berwick-upon-Tweed |
| Bethnal Green |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Bethnal Green and Bow |
|
| Bethnal Green and Stepney |
|
| Bethnal Green and Stepney |
|
| Bethnal Green North East |
|
| Bethnal Green South West |
|