| Ayrshire Central |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Ayrshire Central |
|
| Ayrshire North and Arran |
|
| Ayrshire North and Bute |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Ayrshire Northern |
|
| Ayrshire South |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Ayrshire Southern |
|
| Banbury |
Full name (in Craig 2,3,4) Oxfordshire, Banbury |
| Bandon |
|
| Banff and Buchan |
|
| Banffshire |
|
| Bangor Aberconwy |
|
| Barking |
|
| Barkston Ash |
Full name (in Craig 2,3,4) Yorkshire (West Riding), Barkston Ash |
| Barnard Castle |
Full name (in Craig 2,3) Durham, Barnard Castle |
| Barnet |
Constituency first used at the February General election of 1974 (28/02/1974). Full name (in Craig 3,4) Hertfordshire, Barnet |
| Barnet Chipping Barnet |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Barnet Hendon North |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Barnet Hendon South |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Barnsley |
Full name (in Craig 2) Yorkshire (West Riding), Barnsley |
| Barnsley Central |
|
| Barnsley East |
|
| Barnsley East |
|
| Barnsley East and Mexborough |
|
| Barnsley North |
|