| Site name | Country | County | Nearest town | Site type | Access | Classification (girth in metres) | View on map |
|---|---|---|---|---|---|---|---|
| St George’s | Wales | Glamorgan | Cardiff | churchyard | Yes | Ancient 5m-7m, Ancient 7m+ | View On Map |
| St George(Llan St.Sior) | Wales | Conwy | Rhyl | churchyard | Yes | Ancient 5m-7m | View On Map |
| St Giles Park – Wimborne (1) | England | Dorset | Blandford Forum | estate | No | Ancient 4m-5m | View On Map |
| St Giles Park – Wimborne (2) | England | Dorset | Blandford Forum | estate | No | Lost | View On Map |
| St Kew | England | Cornwall | Wadebridge | garden | No | Ancient 5m-7m | View On Map |
| St Leonards Forest – Horsham | England | Sussex - West | Horsham | woodland | Yes | Ancient 4m-5m | View On Map |
| St Lythans | Wales | Glamorgan | Cardiff | churchyard | Yes | Ancient 4m-5m | View On Map |
| St Margarets – church | England | Herefordshire | Hereford | churchyard | Yes | Notable | View On Map |
| St Margarets – field | England | Herefordshire | Hereford | churchyard | Yes | Lost | View On Map |
| St Martin del Mar | Spain | Asturias | Villaviciosa | churchyard | Yes | Notable | View On Map |
| St Mary Bourne | England | Hampshire | Andover | churchyard | Yes | Ancient 7m+, Notable | View On Map |
| St Mary Church | Wales | Bridgend | Bridgend | churchyard | Yes | Ancient 4m-5m | View On Map |
| St Mary Hoo | England | Kent | Gillingham | churchyard | No | Notable | View On Map |
| St Michael Penkivel | England | Cornwall | Falmouth | churchyard | Yes | Ancient 4m-5m | View On Map |
| St Nicholas | Wales | Glamorgan | Barry | churchyard | Yes | Ancient 4m-5m, Notable | View On Map |
| St Pierre – nr Chepstow | Wales | Monmouthshire | Chepstow | churchyard | Yes | Notable | View On Map |
| St Roche’s Arboretum – West Dean | England | Sussex - West | Chichester | woodland | Yes | Ancient 4m-5m | View On Map |
| St Weonards | England | Herefordshire | Ross-on-Wye | churchyard | Yes | Notable | View On Map |
| St Weonards Tump | England | Herefordshire | Ross-on-Wye | historic site | Yes | Lost | View On Map |
| Stackpole | Wales | Pembrokeshire | Pembroke | churchyard | Yes | Notable | View On Map |