- Leavesden Green
- Lemsford
- Letchmore Heath
- Letchworth Garden City
- Letty Green
- Levens Green
- Little Crebawethan
- Little Ganilly
- Little Minalto
- Laddingford
- Lamberhurst Quarter
- Langton Green
- Leigh
- Leigh Green
- Lenham Heath
- Lewson Street
- Leybourne
- Linkhill
- Little Mill
- Littlestone
- Longfield Hill
- Lower Higham
- Lunsford
- Lydd-on-Sea
- Lydden
- Lane Head
- Lepton
- Lingards Wood
- Lower Cumberworth
- Lower Denby