Former Owner
- Lady Frances Bentinck1
- Lady Margaret Ayloffe1
- Lajos Graf Apponyi de Nagy-Appony1
- Lambertus Eerens1
- Lancino Curti1
- Latham family1
- Laura Hurd Motion1
- Laurence Harman King-Harman1
- Laurence Hilliard1
- Laurence Kirby1
- Laurence Vaux1
- Laurent Campagne1
- Laurentius van der Torqel1
- Law Society1
- LeMare1
- Legoué1
- Lehn of Denmark1
- Leigh Baker1
- Leonard Baskin1
- Leonard Grey, 1st Viscount Grane1