| Site name | Country | County | Nearest town | Site type | Access | Classification (girth in metres) | View on map |
|---|---|---|---|---|---|---|---|
| Limebrook | England | Herefordshire | Presteigne | footpath/road | Yes | Ancient 5m-7m | View On Map |
| Limpsfield | England | Surrey | Sevenoaks | churchyard | Yes | Ancient 4m-5m, Notable | View On Map |
| Linch | England | Sussex - West | Midhurst | churchyard | Yes | Notable | View On Map |
| Lindores House | Scotland | Fife | Newburgh | former religious site | No | Ancient 4m-5m | View On Map |
| Lindridge | England | Worcestershire | Tenbury Wells | churchyard | Yes | Notable | View On Map |
| Lingen | England | Herefordshire | Presteigne | churchyard | Yes | Notable | View On Map |
| Lingen – Shirley Farm | England | Herefordshire | Leominster | garden | No | Ancient 4m-5m, Ancient 5m-7m | View On Map |
| Lingen – Shirley Farm | England | Herefordshire | Presteigne | footpath/road | Yes | View On Map | |
| Lingmoor Fell – Little Langdale | England | Cumbria | Ambleside | upland | Yes | Ancient 4m-5m, Ancient 5m-7m | View On Map |
| Linton – Herefordshire | England | Herefordshire | Ross-on-Wye | churchyard | Yes | Ancient 5m-7m, Ancient 7m+ | View On Map |
| Linton – Kent | England | Kent | Maidstone | churchyard | Yes | Notable | View On Map |
| Lisabuck | Ireland | Co. Monaghan | Clones | historic site | Yes | Ancient 4m-5m | View On Map |
| Liscombe Park – Soulbury | England | Buckinghamshire | Leighton Buzzard | garden | No | Notable | View On Map |
| Lismore Castle | Ireland | Co. Waterford | Lismore | planted avenue | Yes | Notable | View On Map |
| Liss – near | England | Sussex - West | Petersfield | footpath/road | Yes | Ancient 4m-5m | View On Map |
| Lissan House – Cookstown | Ireland | Co. Derry | Cookstown | garden | No | Notable | View On Map |
| Little Bookham | England | Surrey | Leatherhead | churchyard | Yes | Ancient 5m-7m | View On Map |
| Little Chart | England | Kent | Ashford | churchyard | Yes | Ancient 5m-7m, Lost | View On Map |
| Little Cowarne – churchyard | England | Herefordshire | Bromyard | churchyard | Yes | Ancient 5m-7m | View On Map |
| Little Cowarne – village | England | Herefordshire | Hereford | footpath/road | No | Ancient 4m-5m | View On Map |