| # | Tower | No | Year | Materials | Maker | Trusses | Layout |
|---|
| 5401 | Lower Beeding, West Sussex, Holy Trinity | 1 | 2000 | Steel | Hayward Mills Associates | 8.1.B.a | 8.3 |
| 5402 | Lower Bourne, Surrey, S Martin | 1 | | Timber | | 9.E | 1 |
| 5403 | Lower Gornal, West Midlands, S James Gt | 1 | 1909 | Cast iron | John Taylor & Co | | |
| 5404 | Lower Heyford, Oxfordshire, S Mary | 1 | 1926 | Oak | Richard White | | |
| 5405 | Lower Quinton, Warwickshire, S Swithin | 1 | 1952 | Cast iron | John Taylor & Co | | |
| 5406 | Lower Shuckburgh, Warwickshire, S John Bapt | 1 | 2000 | Timber | Arthur C Berry | 1.B | |
| 5407 | Lower Slaughter, Gloucestershire, S Mary | 2 | 1998 | Cast iron | John Taylor Bellfounders Ltd | 8.3.D.a | 2.X1 |
| 5408 | Lower Slaughter, Gloucestershire, S Mary | 1 | 1998 | Cast iron | John Taylor Bellfounders Ltd | 8.3.D.a | 4.4 R |
| 5409 | Lower Swell, Gloucestershire, S Mary | 3 | | Stone | | | |
| 5410 | Lower Swell, Gloucestershire, S Mary | 2 | | Stone | | | |
| 5411 | Lower Swell, Gloucestershire, S Mary | 1 | | Stone | | | |
| 5412 | Lowfield Heath, West Sussex, S Michael & All Angels | 2 | | Timber | | 1.A | 1 |
| 5413 | Lowfield Heath, West Sussex, S Michael & All Angels | 1 | c1868 | Timber | ? John Warner & Sons | 6.A | 1 |
| 5414 | Lowick, Cumbria, S Luke | 1 | | Cast iron | | 8.3.B.a(i) | 1 ➔ 3 |
| 5415 | Lowick, Cumbria, S Luke | 1.1 | | Cast iron | | 8.3.B.a(i) | 1 |
| 5416 | Lowick, Cumbria, S Luke | 1.2 | | Cast iron | | 8.3.B.a(i) | 1 |
| 5417 | Lowick, Northamptonshire, S Peter | 1 | 1884 | Oak | George Eaton | | |
| 5418 | Loxbeare, Devon, S Michael & All Angels | 1 | 1912 | Oak | Harry Stokes | 6.B | 3.3 |
| 5419 | Loxhore, Devon, S Michael & All Angels | 2 | 1925 | Steel | Mears & Stainbank | 8.1.A.a | |
| 5420 | Loxhore, Devon, S Michael & All Angels | 1 | 1902 | Oak | Harry Stokes | 6.B | 4.3 |
| 5421 | Loxton, Somerset, S Andrew | 2 | 1907 | Cast iron | John Taylor & Co | | |
| 5422 | Loxton, Somerset, S Andrew | 1 | 1907 | Cast iron | John Taylor & Co | | |
| 5423 | Lubenham, Leicestershire, All Saints | 1 | 1922 | Cast iron | John Taylor & Co | 8.3.A.h | 5.3 R ➔ 6.1 |
| 5424 | Lubenham, Leicestershire, All Saints | 1.1 | 2001 | Steel | Eayre & Smith | 8.1.B.a | 1 |
| 5425 | Luccombe, Somerset, Blessed Virgin Mary | 1 | 1896 | Oak | John Sully | | |
| 5426 | Luckington, Wiltshire, S Mary | 1 | c1632 | | Roger I Purdue | | 4.1 |
| 5427 | Ludborough, Lincolnshire, S Mary | 1 | 1912 | Cast iron | John Taylor & Co | 8.3.A.h | 3.1 |
| 5428 | Luddington, Lincolnshire, S Oswald | 2 | | Timber | | 6.B | |
| 5429 | Luddington, Lincolnshire, S Oswald | 1 | | Timber | | 6.A | |
| 5430 | Ludgershall, Buckinghamshire, S Mary V | 1 | 1889 | Cast iron | John Taylor & Co | 8.3.C.b & 8.3.C.e | 5.1 |
| 5431 | Ludgershall, Wiltshire, S James | 1 | 1908 | Cast iron | John Taylor & Co | 8.3.A.h | 6 |
| 5432 | Ludham, Norfolk, S Catherine | 1 | | Timber | | 6.A | 5.1 |
| 5433 | Ludlow, Shropshire, S John | 1 | | Stone | | 9.A | 1 |
| 5434 | Lugwardine, Herefordshire, S Peter | 1 | 1877 | | Frederick White | | |
| 5435 | Lugwardine, Herefordshire, S Peter | 1.1 | 1927 | | Mears & Stainbank | | |
| 5436 | Lullington, Derbyshire, All Saints | 2 | 1786 | Oak | Edward Arnold | 1.E | 1 |
| 5437 | Lullington, Derbyshire, All Saints | 1 | 1778 | Cast iron & oak | Pack & Chapman | 6.A & 7.A.a | 5.12 R |
| 5438 | Lundy Island, Devon, S Helen | 3 | 2004 | Steel | Lundy Island Society | 8.1.F.e | 2.X1 |
| 5439 | Lundy Island, Devon, S Helen | 2 | 1994 | Steel | Lundy Island Society | 8.1.F.e | 8.3 |
| 5440 | Lundy Island, Devon, S Helen | 1 | 2004 | Steel | Lundy Island Society | 8.1.F.e | 2.X1 |
| 5441 | Luppitt, Devon, S Mary | 1 | 1926 | Cast iron | John Taylor & Co | 8.3.A.h | 8.3 |
| 5442 | Luppitt, Devon, S Mary | 1.1 | 1974 | Cast iron | Locally manufactured | | |
| 5443 | Lurgan, Armagh, Northern Ireland, Christ the Redeemer (CI) | 2 | 1937 | Cast iron | Gillett & Johnston | 8.3.D.a | 2.X2 |
| 5444 | Lurgan, Armagh, Northern Ireland, Christ the Redeemer (CI) | 1 | 1937 | Cast iron | Gillett & Johnston | 8.3.D.a | 6.1 |
| 5445 | Lustleigh, Devon, S John Bapt | 1 | 1923 | Cast iron | Gillett & Johnston | 8.3.C.e | 6.7 |
| 5446 | Luton, Bedfordshire, S Christopher, Round Green | 1 | | Brick | | 9.D | 3.1 |
| 5447 | Luton, Bedfordshire, S Mary | 1 | 1948 | Cast iron | John Taylor & Co | 8.3.A.h | |
| 5448 | Luton, Bedfordshire, S Mary | 1.1 | 1983 | Cast iron | John Taylor & Co | 8.3.A.h | |
| 5449 | Lutton, Lincolnshire, S Nicholas | 2 | 1905 | Steel | John Taylor & Co | | |
| 5450 | Lutton, Lincolnshire, S Nicholas | 1 | 1905 | Steel | John Taylor & Co | | |