| # | Tower | No | Year | Materials | Maker | Trusses | Layout |
|---|
| 5151 | Llangybi, Monmouthshire, Wales, S Cybi | 2 | 1902 | Cast iron | John Taylor & Co | 8.3.C.e | 6.4 |
| 5152 | Llangybi, Monmouthshire, Wales, S Cybi | 1 | 1907 | Steel | John Taylor & Co | 8.1.A.a | 2 |
| 5153 | Llangyfelach, Swansea, West Glamorgan, Wales, S David & S Cyfelach | 1 | 1914 | Oak | ? Mears & Stainbank | 6.A | 6.1 |
| 5154 | Llanigon, Powys, Wales, S Eigon | 1 | c1699 | Timber | | | 3.1 |
| 5155 | Llanishen, Cardiff, South Glamorgan, Wales, S Isan | 2 | 1977 | Steel | Whitechapel Bell Foundry | 8.1.F.g | |
| 5156 | Llanishen, Cardiff, South Glamorgan, Wales, S Isan | 1 | 1977 | Steel | Whitechapel Bell Foundry | 8.1.A.b | 5.1 |
| 5157 | Llanover, Monmouthshire, Wales, S Bartholomew | 1 | 1907 | Timber | Mears & Stainbank | 6.A | 5.3 |
| 5158 | Llansilin, Powys, Wales, S Silin | 1 | 1999 | Steel | Eayre & Smith | 8.2.A.b | 6.1 |
| 5159 | Llansteffan, Carmarthenshire, Dyfed, Wales, S Ystyffan | 1 | 1875 | Oak | Mears & Stainbank | 6.A | 8.3 |
| 5160 | Llantilio Pertholey, Monmouthshire, Wales, S Teilo | 1 | 1994 | Metal | John Taylor & Co | | |
| 5161 | Llantrisant, Rhondda Cynon Taff, Mid Glamorgan, Wales, S Illtyd, S Gwynno, & S Dyfodwg | 1 | 1893 | | Charles Carr | | |
| 5162 | Llantwit Major, The Vale of Glamorgan, South Glamorgan, Wales, S Illtyd | 1 | 1908 | Cast iron & oak | Mears & Stainbank | | |
| 5163 | Llanvihangel Ystern Llewern, Monmouthshire, Wales, S Michael | 1 | c1874 | Oak | | 6.A | 3.1 |
| 5164 | Llanwarne, Herefordshire, Ruined ch of S John Bapt | 1 | c1699 | Oak | | 6.A | 4.3 |
| 5165 | Llanwern, Newport, Wales, S Mary | 1 | 1989 | Metal | Local labour/guild/assn | | 6 |
| 5166 | Lockerley, Hampshire, S John | 2 | 1890 | Timber | John Taylor & Co | 6.A | |
| 5167 | Lockerley, Hampshire, S John | 1 | 1890 | Cast iron | John Taylor & Co | 8.3.C.e | |
| 5168 | Locking, Somerset, S Augustine | 1 | 1904 | Cast iron | John Taylor & Co | | |
| 5169 | Lockinge, Oxfordshire, All Saints | 1 | 1620 | Oak | | | |
| 5170 | Lockington, Leicestershire, S Nicholas | 2 | 1989 | Cast iron | Local labour/guild/assn | 8.3.A.m | |
| 5171 | Lockington, Leicestershire, S Nicholas | 1 | 1886 | Cast iron | John Taylor & Co | 8.3.C.b | 8 |
| 5172 | Lockington, Leicestershire, S Nicholas | 1.1 | 1989 | Cast iron | Local labour/guild/assn | 8.3.C.e | 3.3 |
| 5173 | Lockton, North Yorkshire, S Giles | 1 | 1938 | Pine | | 6.H | 2.X1 |
| 5174 | Loddington, Leicestershire, S Michael & All Angels | 1 | | | | | 3 D |
| 5175 | Loddington, Northamptonshire, S Leonard | 1 | | Oak | | | |
| 5176 | Loddiswell, Devon, S Michael & All Angels | 2 | | Steel | | 8.1.A ? | |
| 5177 | Loddiswell, Devon, S Michael & All Angels | 1 | 1912 | Cast iron | William Aggett and Sons | 8.3.A.l | 5.12 |
| 5178 | Loddon, Norfolk, Holy Trinity | 9 | c1853 | Oak | | 6.A | |
| 5179 | Loddon, Norfolk, Holy Trinity | 1 | 2005 | Steel | Nicholson Engineering Ltd | 8.1.F.e | |
| 5180 | Loders, Dorset, S Mary Magd | 1 | 1927 | Cast iron | Mears & Stainbank | | 6 |
| 5181 | Lodsworth, West Sussex, S Peter | 1 | 1988 | Metal | | | |
| 5182 | Lolworth, Cambridgeshire, All Saints | 1 | <1552 | Oak | | 6.D & 6.H | 3.1 |
| 5183 | Londesborough, East Riding of Yorkshire, All Saints | 1 | | Timber | | 5.A | 3.1 |
| 5184 | London, City of London, Cath Ch of S Paul | 9 | | Oak | | 5 | 1 |
| 5185 | London, City of London, Cath Ch of S Paul | 7 | | Oak | | | |
| 5186 | London, City of London, Cath Ch of S Paul | 4 | | Timber | | 6.A | |
| 5187 | London, City of London, Cath Ch of S Paul | 1 | 1878 | Oak | | 6.A | 12 |
| 5188 | London, City of London, S Andrew Holborn | 1 | 1961 | Cast iron | Mears & Stainbank | 8.3.A.h | 8.3 |
| 5189 | London, City of London, S Bartholomew Gt, Smithfield | 9 | | | | | |
| 5190 | London, City of London, S Bartholomew Gt, Smithfield | 1 | c1628† | Timber | Locally manufactured | | ~ 5.7 |
| 5191 | London, City of London, S Bartholomew Less | 1 | c1480 | Oak | | 5.F | 5.3 |
| 5192 | London, City of London, S Botolph without Aldersgate | 2 | | Timber | | 6.B | 1 |
| 5193 | London, City of London, S Botolph without Aldersgate | 1 | | Timber | | 6.A | 1 |
| 5194 | London, City of London, S Botolph without Aldgate | 1 | 1966 | | Mears & Stainbank | | |
| 5195 | London, City of London, S Botolph without Bishopsgate | 2 | 1905 | Cast iron | John Warner & Sons | 8.3.A.e | 8.3 |
| 5196 | London, City of London, S Botolph without Bishopsgate | 1 | 1992 | Cast iron | John Taylor & Co | 8.3.A.h | 8.3 |
| 5197 | London, City of London, S Bride, Fleet Street | 1 | 1953 | Cast iron | John Taylor & Co (Bellfounders) Ltd | 8.3.A.h | 1 |
| 5198 | London, City of London, S Dunstan-in-the-West | 1 | 2012 | Cast iron | Whitechapel Bell Foundry | 8.3.A.h | ~ 10.4 |
| 5199 | London, City of London, S Giles without Cripplegate | 2 | 2006 | Steel | Whitechapel Bell Foundry | 8.1.F.g | 1 |
| 5200 | London, City of London, S Giles without Cripplegate | 1 | 1954 | Cast iron | Mears & Stainbank | 8.1.F.g & 8.3.A.h | 12.X |