| Site name | Country | County | Nearest town | Site type | Access | Classification (girth in metres) | View on map |
|---|---|---|---|---|---|---|---|
| Barrow House | England | Cumbria | Keswick | garden | Yes | Ancient 5m-7m | View On Map |
| Barskeoch – near Dalry | Scotland | Dumfries and Galloway | Dumfries | historic site | No | Notable | View On Map |
| Barwick | England | Somerset | Yeovil | churchyard | Yes | Notable | View On Map |
| Baschurch | England | Shropshire | Shrewsbury | churchyard | Yes | Ancient 4m-5m | View On Map |
| Basildon Park (Goring) | England | Berkshire | Reading | woodland | Yes | Ancient 4m-5m | View On Map |
| Batcombe | England | Somerset | Shepton Mallet | churchyard | Yes | Ancient 4m-5m | View On Map |
| Bathampton | England | Somerset | Bath | churchyard | Yes | Notable | View On Map |
| Bathealton | England | Somerset | Wiveliscombe | churchyard | Yes | Ancient 4m-5m | View On Map |
| Bathford | England | Somerset | Bath | churchyard | Yes | Notable | View On Map |
| Battle | Wales | Powys | Brecon | churchyard | Yes | Ancient 5m-7m | View On Map |
| Battlefield | England | Shropshire | Shrewsbury | churchyard | Yes | Ancient 4m-5m, Notable | View On Map |
| Baybridge | England | Hampshire | Winchester | footpath/road | No | Ancient 4m-5m | View On Map |
| Beacon Hill – Devizes | England | Wiltshire | Devizes | historic site | Yes | Ancient 4m-5m | View On Map |
| Beanacre | England | Wiltshire | Melksham | churchyard | Yes | Notable | View On Map |
| Beaulieu – Keeping Copse | England | Hampshire | Beaulieu | woodland | No | Ancient 4m-5m | View On Map |
| Beaulieu – private | England | Hampshire | Beaulieu | garden | No | Notable | View On Map |
| Beaumanor Hall | England | Leicestershire | Loughborough | parkland | Yes | Notable | View On Map |
| Beckenham | England | Greater London | Croydon | churchyard | Yes | Notable | View On Map |
| Beddgelert | Wales | Gwynedd | Porthmadog | churchyard | Yes | Ancient 4m-5m | View On Map |
| Bedham Copse | England | Sussex - West | Petworth | woodland | Yes | Notable | View On Map |