| Town Name | District | Unitary Authority | County | Population | Area Size (Ha) | |
|---|---|---|---|---|---|---|
| Luton | Teignbridge | - | Devon | - | - | Map |
| Lutterworth | Harborough | - | Leicestershire | 7268 | 202 | Map |
| Lutton | South Holland | - | Lincolnshire | 1151 | - | Map |
| Lutton | East Northamptonshire | - | Northamptonshire | 145 | - | Map |
| Luxborough | West Somerset | - | Somerset | 192 | - | Map |
| Luxulian | Restormel | - | Cornwall | - | - | Map |
| Lydbrook | Forest of Dean | - | Gloucestershire | 1939 | 109 | Map |
| Lydbury North | South Shropshire | - | Shropshire | 562 | - | Map |
| Lydd | Shepway | - | Kent | 3231 | 120 | Map |
| Lydden | Dover | - | Kent | 684 | - | Map |
| Lydgate | Calderdale | - | Yorkshire | - | - | Map |
| Lydham | South Shropshire | - | Shropshire | 199 | - | Map |
| Lydiard Millicent | North Wiltshire | - | Wiltshire | 1598 | - | Map |
| Lydiard Tregoze | North Wiltshire | - | Wiltshire | 460 | - | Map |
| Lydiate | Sefton | - | Lancashire | 28503 | 649 | Map |
| Lydlinch | North Dorset | - | Dorset | 431 | - | Map |
| Lydney | Forest of Dean | - | Gloucestershire | 7325 | 253 | Map |
| Lye | Dudley | - | Worcestershire | - | - | Map |
| Lyme Regis | West Dorset | - | Dorset | 4059 | 185 | Map |
| Lyminge | Shepway | - | Kent | 1478 | 61 | Map |
| Lymington | New Forest | - | Hampshire | 13471 | 465 | Map |
| Lyminster | Arun | - | Sussex | 351 | - | Map |
| Lymm | Macclesfield | - | Cheshire | 9435 | 239 | Map |
| Lympne | Shepway | - | Kent | 1516 | - | Map |
| Lympsham | Sedgemoor | - | Somerset | 864 | - | Map |
| Lympstone | East Devon | - | Devon | 1789 | 45 | Map |
| Lyndhurst | New Forest | - | Hampshire | 2385 | 88 | Map |
| Lyneham | North Wiltshire | - | Wiltshire | 4559 | 570 | Map |
| Lynemouth | Castle Morpeth | - | Northumberland | 2000 | 37 | Map |
| Lynford | Breckland | - | Norfolk | 157 | - | Map |
| Lyng | Breckland | - | Norfolk | 806 | - | Map |
| Lyng | Sedgemoor | - | Somerset | 324 | - | Map |
| Lynmouth | North Devon | - | Devon | - | - | Map |
| Lynn | King's Lynn and West Norfolk | - | Norfolk | 40900 | 1429 | Map |
| Lynton | - | North East Lincolnshire | Kent | 89458 | 2281 | Map |
| Lyonshall | - | Herefordshire, County of | Herefordshire | 701 | - | Map |
| Lytchett Matravers | Purbeck | - | Dorset | 2795 | 79 | Map |
| Lytchett Minster | Purbeck | - | Dorset | - | - | Map |
| Lytham | West Lancashire | - | Lancashire | 40618 | 1243 | Map |
| Lythe | Scarborough | - | Yorkshire | 465 | - | Map |