| Site name | Country | County | Nearest town | Site type | Access | Classification (girth in metres) | View on map |
|---|---|---|---|---|---|---|---|
| Birdham | England | Sussex - West | Chichester | churchyard | Yes | Lost | View On Map |
| Birling | England | Kent | Maidstone | churchyard | Yes | Ancient 5m-7m | View On Map |
| Birtsmorton Court | England | Worcestershire | Great Malvern | garden | No | Ancient 4m-5m | View On Map |
| Bishops Cannings | England | Wiltshire | Devizes | churchyard | Yes | Notable | View On Map |
| Bishops Waltham | England | Hampshire | Southampton | footpath/road | Yes | Notable | No Map Data |
| Bishopstoke | England | Hampshire | Southampton | former religious site | Yes | Ancient 5m-7m | View On Map |
| Bishopston | Wales | Glamorgan | Swansea | churchyard | Yes | Lost | View On Map |
| Bishopstone | England | Herefordshire | Hereford | footpath/road | Yes | Notable | View On Map |
| Bishopstone – Wiltshire | England | Wiltshire | Salisbury | churchyard | Yes | Notable | View On Map |
| Bishopstrow – Cromwells Yew | England | Wiltshire | Warminster | field | Yes | Notable | View On Map |
| Bishopstrow-churchyard | England | Wiltshire | Warminster | churchyard | Yes | Ancient 4m-5m | View On Map |
| Bishopswood – Herefordshire | England | Herefordshire | Ross-on-Wye | woodland | Yes | Ancient 5m-7m | View On Map |
| Bisley | England | Surrey | Camberley | churchyard | Yes | No Map Data | |
| Bitton | England | Gloucestershire | Bristol | churchyard | Yes | Notable | View On Map |
| Black Wood – near Micheldever | England | Hampshire | Winchester | woodland | Yes | Ancient 4m-5m, Ancient 5m-7m | View On Map |
| Blackburn | England | Lancashire | Blackburn | field | Yes | Notable | View On Map |
| Blackdown – nr Upham | England | Hampshire | Bishop's Waltham | woodland | No | Ancient 4m-5m, Ancient 5m-7m, Notable | View On Map |
| Blackwell | England | Derbyshire | Mansfield | churchyard | Yes | Lost | View On Map |
| Blaina (formerly Aberystruth) | Wales | Blaenau Gwent | Ebbw Vale | churchyard | No | Lost | View On Map |
| Blaisdon – Picks Copse | England | Gloucestershire | Cinderford | woodland | Yes | Ancient 4m-5m, Ancient 5m-7m, Notable | View On Map |