| Site name | Country | County | Nearest town | Site type | Access | Classification (girth in metres) | View on map |
|---|---|---|---|---|---|---|---|
| Stonor | England | Oxfordshire | Henley-on-Thames | footpath/road | Yes | Ancient 5m-7m | View On Map |
| Stoodleigh | England | Devon | Tiverton | churchyard | Yes | Ancient 5m-7m | View On Map |
| Stopham | England | Sussex - West | Petworth | churchyard | Yes | Ancient 7m+ | View On Map |
| Stottesdon | England | Shropshire | Cleobury Mortimer | hedge | Yes | Notable | View On Map |
| Stottesdon – churchyard | England | Shropshire | Cleobury Mortimer | churchyard | Yes | Ancient 4m-5m | View On Map |
| Stoughton Down | England | Sussex - West | Chichester | woodland | Yes | Ancient 4m-5m, Ancient 5m-7m | View On Map |
| Stourhead | England | Wiltshire | Wincanton | estate | Yes | Ancient 4m-5m, Ancient 5m-7m | View On Map |
| Stourton Caundle | England | Dorset | Sherborne | churchyard | Yes | Ancient 4m-5m | View On Map |
| Stow-on-the-Wold | England | Gloucestershire | Cheltenham | churchyard | Yes | Notable | View On Map |
| Stowe – Birds Holding | England | Shropshire | Knighton | footpath/road | Yes | Ancient 5m-7m | View On Map |
| Stowe – Gloucestershire | England | Gloucestershire | Monmouth | former religious site | No | Ancient 4m-5m, Ancient 5m-7m | View On Map |
| Stowe – Shropshire | England | Shropshire | Knighton | churchyard | Yes | Ancient 5m-7m | View On Map |
| Stowe landscaped gardens | England | Buckinghamshire | Buckingham | estate | Yes | Ancient 4m-5m, Notable | View On Map |
| Stowey | England | Somerset | Midsomer Norton | churchyard | Yes | Ancient 4m-5m | View On Map |
| Stowting | England | Kent | Folkestone | churchyard | Yes | Ancient 5m-7m, Ancient 7m+ | View On Map |
| Straits Copse Mottisfont | England | Hampshire | Stockbridge | woodland | No | Ancient 4m-5m | View On Map |
| Strata Florida | Wales | Ceredigion | Aberystwyth | churchyard | Yes | Ancient 5m-7m, Lost, Notable | View On Map |
| Stratfield Saye | England | Hampshire | Tadley/Reading | parkland | Yes | Ancient 5m-7m | View On Map |
| Stratton Park | England | Hampshire | Winchester | parkland | No | Notable | View On Map |
| Streatley – Bull Inn | England | Berkshire | Reading | garden | Yes | Notable | View On Map |