| # | Tower | No | Year | Materials | Maker | Trusses | Layout |
|---|
| 5101 | Leigh upon Mendip, Somerset, S Giles | 1 | 1858 | Oak | John Warner & Sons | 6.A | 6 |
| 5102 | Leigh, The, Gloucestershire, S Catherine | 1 | 1888 | Oak | Mears & Stainbank | 6.A | 6.7 |
| 5103 | Leighterton, Gloucestershire, S Andrew | 9 | | | | | |
| 5104 | Leighterton, Gloucestershire, S Andrew | 1 | | Timber | | | 1 |
| 5105 | Leighton, Powys, Wales, Holy Trinity | 1 | 1897 | Oak | William Greenleaf | | |
| 5106 | Leighton Bromswold, Cambridgeshire, S Mary | 1 | 1902 | Cast iron & oak | James Barwell | 7.C.d | 6.1 |
| 5107 | Leighton Buzzard, Bedfordshire, All Saints | 1 | 1987 | Cast iron | John Taylor & Co | 8.3.A.h | 13 |
| 5108 | Leintwardine, Herefordshire, S Mary Magd | 1 | 1896 | Oak | Greenleaf and Tristram | | |
| 5109 | Leire, Leicestershire, S Peter | 1 | 1919 | Cast iron | John Taylor & Co | 8.3.A.h | 4.1 ➔ 6.X |
| 5110 | Leire, Leicestershire, S Peter | 1.1 | 1958 | Cast iron | John Taylor & Co | 8.3.A.h | 2.X1 |
| 5111 | Leiston, Suffolk, S Margaret | 1 | 1884 | Pine | Local labour/guild/assn | 6.A | 8.3 |
| 5112 | Lelant, Cornwall, S Uny | 9 | | Stone | | 9.A | 1 |
| 5113 | Lelant, Cornwall, S Uny | 1 | 1905 | Cast iron | William Aggett and Sons | 8.3.A.i | 6.1 |
| 5114 | Lemsford, Hertfordshire, S John Ev | 1 | 1977 | Steel | | | |
| 5115 | Lenham, Kent, S Mary | 1 | 1959 | | John Taylor & Co | | |
| 5116 | Lenton, Lincolnshire, S Peter | 1 | c1899 | Timber | | 6.A | |
| 5117 | Lenton, Nottinghamshire, Sacred & Undivided Trinity | 1 | 2001 | Steel | Hayward Mills Associates | 8.1.B.a | 8.3 |
| 5118 | Leominster, Herefordshire, S Peter & S Paul | 9 | | Stone | | 9.A | 1 |
| 5119 | Leominster, Herefordshire, S Peter & S Paul | 1 | c1894 | Oak | | | 10.X |
| 5120 | Leonard Stanley, Gloucestershire, S Swithun | 1 | 1982 | Iroko | Whites of Appleton | 6.A | 6.1 |
| 5121 | Lesnewth, Cornwall, S Michael & All Angels | 1 | | Timber | | 6.A | 6.1 |
| 5122 | Letcombe Bassett, Oxfordshire, S Michael & All Angels | 1 | 1926 | Oak | Richard White | | |
| 5123 | Letcombe Regis, Oxfordshire, S Andrew | 1 | 1907 | Oak | Frederick White | | |
| 5124 | Letton, Herefordshire, S John Bapt | 1 | | Oak | | | |
| 5125 | Letty Green, Hertfordshire, S John | 1 | | Stone | | 9.A | 1 |
| 5126 | Leven, East Riding of Yorkshire, Holy Trinity | 1 | 1845 | Oak | Charles & George Mears | 6.A | 4.2 |
| 5127 | Leverington, Cambridgeshire, S Leonard | 1 | 1924 | Teak | John Taylor & Co | 6.A | 6.1 |
| 5128 | Leverton, Lincolnshire, S Helena | 1 | 1958 | Cast iron | John Taylor & Co | | |
| 5129 | Levington, Suffolk, S Peter | 1 | c1599 | Oak | | 6.H | 3.1 |
| 5130 | Levisham, North Yorkshire, S John Bapt | 1 | | Stone | | 9.A | 1 |
| 5131 | Lewannick, Cornwall, S Martin | 2 | 1890 | Oak | Mears & Stainbank | 6.S.1 | 1 |
| 5132 | Lewannick, Cornwall, S Martin | 1 | 1890 | Oak | Mears & Stainbank | 6.S.1 | 5.1 |
| 5133 | Lewes, East Sussex, S John Bapt, Southover | 1 | 1906 | Timber | Mears & Stainbank | 6.A | 10.4 |
| 5134 | Lewes, East Sussex, S Thomas at Cliffe | 1 | | Timber | | 5 | 4.1 |
| 5135 | Lewisham, Greater London, S Mary | 1 | 1894 | Cast iron | John Taylor & Co | 8.3.C.e | 8.3 |
| 5136 | Lewknor, Oxfordshire, S Margaret | 1 | c1950 | Oak | Richard White | | |
| 5137 | Lewtrenchard, Devon, S Peter | 2 | 1905 | Oak | Harry Stokes | | |
| 5138 | Lewtrenchard, Devon, S Peter | 1 | 1905 | Oak | Harry Stokes | 6.S | 5.1 |
| 5139 | Leyland, Lancashire, S Andrew | 1 | 1929 | Cast iron | Gillett & Johnston | | |
| 5140 | Leysters, Herefordshire, S Andrew | 1 | | Oak | | | |
| 5141 | Leyton, Greater London, S Mary V | 8 | | Timber | | 6.A | |
| 5142 | Leyton, Greater London, S Mary V | 1 | 1928 | Steel | Alfred Bowell | 8.1.C.a | 8.3 |
| 5143 | Leytonstone, Greater London, S John Bapt | 1 | 1833 | Oak | Charles Oliver(s) | 6.A | 8.3 |
| 5144 | Leytonstone, Greater London, S John Bapt | 1.1 | 1936 | Cast iron | Gillett & Johnston | 8.3.A ? | |
| 5145 | Leytonstone, Greater London, S Margaret | 1 | | Steel | | 10 | |
| 5146 | Lichfield, Staffordshire, Cath Ch of BVM & S Chad | 9 | | Timber | | 2.C | |
| 5147 | Lichfield, Staffordshire, Cath Ch of BVM & S Chad | 1 | 1688 | Timber | John Baxter | 6.B | 10.1 |
| 5148 | Lichfield, Staffordshire, S Chad | 1 | | Timber | | 6.A & 6.B | 4.6 |
| 5149 | Lichfield, Staffordshire, former ch of S Mary | 1 | 1875 | Timber | Mears & Stainbank | 6.A | 8.1 |
| 5150 | Lichfield, Staffordshire, S Michael | 1 | 1919 | Cast iron | James Barwell | 8.3.C.e | 6.1 |