| Town Name | District | Unitary Authority | County | Population | Area Size (Ha) | |
|---|---|---|---|---|---|---|
| Black Torrington | Torridge | - | Devon | 509 | - | Map |
| Blackawton | South Hams | - | Devon | 647 | - | Map |
| Blackboys | Wealden | - | Sussex | - | - | Map |
| Blackburn | - | Blackburn with Darwen | Lancashire | 103832 | 2247 | Map |
| Blackburn | Rotherham | - | Yorkshire | - | - | Map |
| Blackbushe | Hart | - | Hampshire | - | - | Map |
| Blackdown | Warwick | - | Warwickshire | 128 | - | Map |
| Blackfen | Bexley | - | Greater London | - | - | Map |
| Blackmore | Brentwood | - | Essex | - | - | Map |
| Blackpool | - | Blackpool | Lancashire | 145348 | 3118 | Map |
| Blackrod | Bolton | - | Lancashire | 5557 | 90 | Map |
| Blackthorn | Cherwell | - | Oxfordshire | 267 | - | Map |
| Blacktoft | - | East Riding of Yorkshire | Yorkshire | 321 | - | Map |
| Blackwall | Tower Hamlets | - | Greater London | - | - | Map |
| Blackwater | Hart | - | Hampshire | 5849 | - | Map |
| Blackwater | - | Isle of Wight | Hampshire | - | - | Map |
| Blackwell | Bolsover | - | Derbyshire | 3148 | 67 | Map |
| Bladon | West Oxfordshire | - | Oxfordshire | 753 | - | Map |
| Blagberry | Torridge | - | Devon | - | - | Map |
| Blagdon | - | North Somerset | Somerset | 1172 | - | Map |
| Blakemere | - | Herefordshire, County of | Herefordshire | 76 | - | Map |
| Blakeney | North Norfolk | - | Norfolk | 789 | - | Map |
| Blakeney | Forest of Dean | - | Gloucestershire | - | - | Map |
| Blakesley | South Northamptonshire | - | Northamptonshire | 492 | - | Map |
| Blanchland | Tynedale | - | Northumberland | 143 | - | Map |
| Blandford | North Dorset | - | Dorset | 8767 | 218 | Map |
| Blankney | North Kesteven | - | Lincolnshire | 239 | - | Map |
| Blatherwick | East Northamptonshire | - | Northamptonshire | 55 | - | Map |
| Blaxhall | Suffolk Coastal | - | Suffolk | 233 | - | Map |
| Blaydon | Gateshead | - | Durham | 15287 | 396 | Map |
| Bleadon | - | North Somerset | Somerset | 1068 | - | Map |
| Blean | Canterbury | - | Kent | 4131 | 82 | Map |
| Bleasby | Newark and Sherwood | - | Nottinghamshire | 804 | - | Map |
| Bledington | Cotswold | - | Gloucestershire | 503 | - | Map |
| Bledlow | Wycombe | - | Buckinghamshire | 2249 | - | Map |
| Blencarn | Eden | - | Cumbria | - | - | Map |
| Blencogo | Allerdale | - | Cumbria | - | - | Map |
| Blencow | Eden | - | Cumbria | - | - | Map |
| Blenheim | West Oxfordshire | - | Oxfordshire | 78 | - | Map |
| Bletchingdon | Cherwell | - | Oxfordshire | 872 | - | Map |
| Bletchingley | Tandridge | - | Surrey | 2460 | 59 | Map |
| Bletchley | - | Milton Keynes | Buckinghamshire | 40609 | 1127 | Map |
| Bletsoe | Bedford | - | Bedfordshire | 281 | - | Map |
| Blewbury | Vale of White Horse | - | Oxfordshire | 1451 | 61 | Map |
| Blickling | Broadland | - | Norfolk | 136 | - | Map |
| Blidworth | Newark and Sherwood | - | Nottinghamshire | 4140 | 108 | Map |
| Blindley Heath | Tandridge | - | Surrey | - | - | Map |
| Blisland | North Cornwall | - | Cornwall | 565 | - | Map |
| Blisworth | South Northamptonshire | - | Northamptonshire | 1613 | 38 | Map |
| Blithfield | East Staffordshire | - | Staffordshire | 225 | - | Map |