| Site name | Country | County | Nearest town | Site type | Access | Classification (girth in metres) | View on map |
|---|---|---|---|---|---|---|---|
| Selborne – The Wakes | England | Hampshire | Alton | garden | Yes | Ancient 4m-5m | View On Map |
| Sellack | England | Herefordshire | Ross-on-Wye | churchyard | Yes | Notable | View On Map |
| Sellindge | England | Kent | Folkestone | churchyard | Yes | Ancient 5m-7m | View On Map |
| Selling | England | Kent | Faversham | churchyard | Yes | Ancient 5m-7m, Lost | View On Map |
| Selworthy | England | Somerset | Porlock | churchyard | Yes | Ancient 4m-5m | View On Map |
| Sevenhampton | England | Gloucestershire | Cheltenham | churchyard | Yes | Ancient 4m-5m | View On Map |
| Sevenoaks | England | Kent | Sevenoaks | churchyard | Yes | Ancient 4m-5m | View On Map |
| Sevenoaks Weald | England | Kent | Sevenoaks | woodland | Yes | Ancient 4m-5m | View On Map |
| Shaftesbury | England | Dorset | Shaftesbury | former religious site | Yes | Notable | View On Map |
| Shalbourne | England | Wiltshire | Hungerford | footpath/road | Yes | Ancient 5m-7m | View On Map |
| Shalford | England | Surrey | Guildford | churchyard | Yes | Lost | View On Map |
| Shalstone | England | Buckinghamshire | Brackley | churchyard | Yes | Lost | View On Map |
| Shareshill – Sardon Magna | England | Staffordshire | No | Lost | View On Map | ||
| Shatterford | England | Staffordshire | Stourbridge | woodland | No | Ancient 4m-5m | View On Map |
| Shearing Hill – Gedling | England | Nottinghamshire | Nottingham | footpath/road | Yes | Notable | View On Map |
| Sheldon Manor | England | Wiltshire | Chippenham | garden | Yes | Lost, Notable | View On Map |
| Shelton Abbey | Ireland | Co. Wicklow | Arklow | garden | No | Ancient 5m-7m | View On Map |
| Shenleybury | England | Hertfordshire | St Albans | former religious site | Yes | Ancient 5m-7m | View On Map |
| Shephall | England | Hertfordshire | Stevenage | churchyard | Yes | Ancient 4m-5m | View On Map |
| Shepherdswell | England | Kent | Dover | churchyard | Yes | Lost | View On Map |