| # | Tower | No | Year | Materials | Maker | Trusses | Layout |
| 5051 | Lane End, Buckinghamshire, Holy Trinity | 1 | 1878 | Timber | G Oliver | 6.A | 5.1 |
| 5052 | Laneham, Nottinghamshire, S Peter | 1 | | Timber | | 6.B | ~ 4.4 |
| 5053 | Langar, Nottinghamshire, S Andrew | 1 | 1859 | Oak | John Taylor & Co | | |
| 5054 | Langdon Hills, Essex, S Mary V & All Saints | 1 | c1880 | Oak | Mears & Stainbank | 6.A | 6.7 |
| 5055 | Langford, Essex, S Giles | 9 | | | | | |
| 5056 | Langford, Essex, S Giles | 2 | 1881 | Oak | John Taylor & Co | 6.A | 2.X1 |
| 5057 | Langford, Essex, S Giles | 1 | 1881 | Oak | John Taylor & Co | 6.A | 1 |
| 5058 | Langford Budville, Somerset, S Peter | 2 | 1753† | Oak | John Kebby | | 6 D |
| 5059 | Langford Budville, Somerset, S Peter | 1 | 1992 | Steel | Robert Parker | | |
| 5060 | Langham, Essex, S Mary V | 2 | c1897 | Cast iron | John Taylor & Co | 8.3.A.h | |
| 5061 | Langham, Essex, S Mary V | 1 | c1897 | Cast iron | John Taylor & Co | 8.3.C.e | 4.3 |
| 5062 | Langham, Norfolk, S Andrew & S Mary | 1 | | Oak | | 5.L | 4.1 |
| 5063 | Langham, Rutland, S Peter & S Paul | 1 | 1900 | Metal | John Taylor & Co | | 6.12 |
| 5064 | Langham, Suffolk, S Mary V | 1 | | Stone | | 9.A | 2.X1 |
| 5065 | Langley, Essex, S John Ev | 1 | c1799 | Oak | | 6.A | 4.3 |
| 5066 | Langley, Norfolk, S Michael | 1 | 1852 | | | | |
| 5067 | Langley Burrell, Wiltshire, S Peter | 1 | 1630† | | | | |
| 5068 | Langleybury, Hertfordshire, S Paul | 1 | 1986 | | Eayre & Smith | | 6.1 |
| 5069 | Langport, Somerset, All Saints | 1 | 1912 | Oak | John Sully | | 8 |
| 5070 | Langthwaite, North Yorkshire, S Mary | 1 | c1824 | Timber | (unidentified) | | 3 |
| 5071 | Langtoft, East Riding of Yorkshire, S Peter | 1 | 1711 | Timber | | 5 | 2.X1 |
| 5072 | Langtoft, Lincolnshire, S Michael | 4 | 1785 | Timber | Edward Arnold | 6.A | |
| 5073 | Langtoft, Lincolnshire, S Michael | 2 | 2004 | | John Taylor & Co | | |
| 5074 | Langtoft, Lincolnshire, S Michael | 1 | 2004 | Cast iron | John Taylor & Co | | |
| 5075 | Langton by Partney, Lincolnshire, S Peter & S Paul | 1 | 1825 | Timber | Robert Willerton | | 6.7 |
| 5076 | Langton by Wragby, Lincolnshire, S Giles | 1 | 1822 | Timber | James III Harrison | 6.A | 4.3 |
| 5077 | Langton Long Blandford, Dorset, All Saints | 1 | c1861 | Timber | | | |
| 5078 | Langtree, Devon, All Saints | 1 | 1905 | Cast iron & oak | Harry Stokes | 8.3.A.i | 6.14 |
| 5079 | Lanhydrock, Cornwall, S Hyderock | 1 | 1888 | Cast iron | John Taylor & Co | | |
| 5080 | Lanreath, Cornwall, S Marnarck | 1 | 1913 | Cast iron | Mears & Stainbank | 8.3.A.e | 6.1 |
| 5081 | Lanteglos by Camelford, Cornwall, S Julitta | 1 | 1914 | Timber | Harry Stokes | 6.B | 6.5 R |
| 5082 | Lanteglos by Fowey, Cornwall, S Wyllow | 1 | 1909 | Cast iron | John Taylor & Co | 8.3.A.h | 6.1 |
| 5083 | Lapford, Devon, S Thomas of Canterbury | 1 | 1913 | Oak | Harry Stokes | 6.B | 6.2 R |
| 5084 | Lapley, Staffordshire, All Saints | 9 | | Metal | | 10 | |
| 5085 | Lapley, Staffordshire, All Saints | 1 | 1929 | Cast iron | John Taylor & Co | 8.3.A.h | 6.1 ➔ 8.3 |
| 5086 | Lapley, Staffordshire, All Saints | 1.1 | 2002 | Cast iron | John Taylor & Co | 8.3.A.h | 2.X2 |
| 5087 | Lapworth, Warwickshire, S Mary V | 1 | 1963 | Cast iron | John Taylor & Co | | 6 |
| 5088 | Lastingham, North Yorkshire, S Mary | 2 | | Oak | | | |
| 5089 | Lastingham, North Yorkshire, S Mary | 1 | | Oak | | | |
| 5090 | Lathbury, Buckinghamshire, All Saints | 1 | c1906 | Cast iron & steel | ? Gillett & Johnston | 8.2.A.a | 6.4 |
| 5091 | Latton, Wiltshire, S John Bapt | 1 | c1699† | Timber | | 6.A | 5.5 D |
| 5092 | Laugharne, Carmarthenshire, Dyfed, Wales, S Martin | 1 | 2001 | Composite | Eayre & Smith | 8.2.A.b | 6.1 |
| 5093 | Laughton, East Sussex, All Saints | 1 | 1914 | Cast iron | John Taylor & Co | 8.3.A.h | 5 |
| 5094 | Laughton, East Sussex, All Saints | 1.1 | 1924 | Cast iron | John Taylor & Co | 8.3.A.h | |
| 5095 | Laughton, Lincolnshire, All Saints | 1 | | Timber | | 6.B | 3.1 |
| 5096 | Laughton en le Morthen, South Yorkshire, All Saints | 1 | | Timber | | | |
| 5097 | Launcells, Cornwall, S Andrew & S Swithin | 1 | 1936 | Cast iron | John Taylor & Co | | |
| 5098 | Launceston, Cornwall, S Mary Magd | 2 | 1938 | Metal | John Taylor & Co | | |
| 5099 | Launceston, Cornwall, S Mary Magd | 1 | 1938 | Metal | John Taylor & Co | | |
| 5100 | Launceston, Cornwall, S Thomas Ap | 2 | 1911 | Cast iron | John Taylor & Co | 8.3.D.a | 3.3 |