| # | Tower | No | Year | Materials | Maker | Trusses | Layout |
|---|
| 5051 | Lilbourne, Northamptonshire, All Saints | 1 | | Oak | | 6.A | 5.1 |
| 5052 | Lilleshall, Shropshire, S Michael & All Angels | 1 | 1891 | Cast iron | John Taylor & Co | 8.3.C.e | 6.4 |
| 5053 | Lillingstone Dayrell, Buckinghamshire, S Nicholas | 1 | c1726 | Timber | | 6.B | 3.1 |
| 5054 | Lillingstone Lovell, Buckinghamshire, Assumption of BVM | 1 | 1952 | Cast iron | John Taylor & Co | 8.3.A.h | 5.1 ➔ 6.1 |
| 5055 | Lillingstone Lovell, Buckinghamshire, Assumption of BVM | 1.1 | 2011 | Cast iron | Whitechapel Bell Foundry | 8.3.A.h | 1 |
| 5056 | Lillington, Dorset, S Martin | 1 | 1916 | Cast iron & oak | Thomas Doble | | 5 |
| 5057 | Lillington, Warwickshire, S Mary Magd | 1 | 1927 | Pyinkado | Mears & Stainbank | 6.A | 7.X ➔ 8.3 |
| 5058 | Lillington, Warwickshire, S Mary Magd | 1.1 | 1927 | Cast iron | Mears & Stainbank | 8.3.A.e & 8.3.A.h | 1 |
| 5059 | Limehouse, Greater London, S Anne | 8 | | Steel | | | |
| 5060 | Limehouse, Greater London, S Anne | 2 | 2004 | Steel | Eayre & Smith | | |
| 5061 | Limehouse, Greater London, S Anne | 1 | 1910 | Cast iron | Mears & Stainbank | | |
| 5062 | Limerick, Limerick, Republic of Ireland, Cath Ch of S Mary (CI) | 1 | | Timber | Purdue (generic) | 6.A | 8.1 |
| 5063 | Limerick, Limerick, Republic of Ireland, Mount S Alphonsus (RC) | 1 | 1947 | Cast iron | John Taylor & Co | 8.3.A.h | 11 |
| 5064 | Limington, Somerset, Blessed Virgin Mary | 2 | 1983 | Steel | Local labour/guild/assn | 8.1.B.c | 2 |
| 5065 | Limington, Somerset, Blessed Virgin Mary | 1 | 1983 | Steel | Local labour/guild/assn | 8.1.B.c | ~ 4.3 |
| 5066 | Limpenhoe, Norfolk, S Botolph | 1 | | Timber | Locally manufactured | 6.I | 2.X2 |
| 5067 | Limpsfield Chart, Surrey, S Andrew | 1 | 1902 | Cast iron | John Taylor & Co | | |
| 5068 | Linby, Nottinghamshire, S Michael | 1 | c1998 | Steel | Hayward Mills Associates | | |
| 5069 | Lincoln, Lincolnshire, Cath Ch of BVM | 3 | 1835 | Oak | | | |
| 5070 | Lincoln, Lincolnshire, Cath Ch of BVM | 2 | | Steel | | | |
| 5071 | Lincoln, Lincolnshire, Cath Ch of BVM | 1 | 1927 | Cast iron | John Taylor & Co | 8.3.A.h | |
| 5072 | Lincoln, Lincolnshire, S Basil Gt & S Paisios of the Holy Mountain (Gk Orth) | 9 | | Stone | | 9.A | 1 |
| 5073 | Lincoln, Lincolnshire, S Basil Gt & S Paisios of the Holy Mountain (Gk Orth) | 1 | 1913 | Cast iron | John Taylor & Co | 8.3.C.e | 6.1 |
| 5074 | Lincoln, Lincolnshire, S Giles | 1 | 1938 | Cast iron | John Taylor & Co | 8.3.A.h | 8.3 |
| 5075 | Lincoln, Lincolnshire, S Mary le Wigford | 2 | c1636† | Timber | | 3.D | 4.1 |
| 5076 | Lincoln, Lincolnshire, S Mary le Wigford | 1 | 1931 | Cast iron | John Taylor & Co | 8.3.A.h | 4.3 |
| 5077 | Lincoln, Lincolnshire, S Peter at Gowts | 1 | 1872 | Oak | Mears & Stainbank | 6.A | 6.1 |
| 5078 | Lindfield, New South Wales, Australia, Holy Family of Nazareth (RC) | 8 | | | | | |
| 5079 | Lindfield, New South Wales, Australia, Holy Family of Nazareth (RC) | 1 | 2017 | | Local labour/guild/assn | | |
| 5080 | Lindfield, West Sussex, All Saints | 2A | 2019 | Cast iron & steel | Whites of Appleton | ~ 8.2.A.a | 4 |
| 5081 | Lindfield, West Sussex, All Saints | 2B | 1887 | Timber | ? Local labour/guild/assn | 2.A | |
| 5082 | Lindfield, West Sussex, All Saints | 1 | 2019 | Cast iron | Whites of Appleton | 8.3.A.h | 8.3 |
| 5083 | Lindley, West Yorkshire, S Stephen | 2 | 1936 | Cast iron | John Taylor & Co | 8.3.D.a | 4.3 |
| 5084 | Lindley, West Yorkshire, S Stephen | 1 | 1936 | Cast iron | John Taylor & Co | 8.3.D.a | 4.3 |
| 5085 | Lingdale, North Yorkshire, S Chad (Mission Room) | 1 | | Stone | | 9.A | 1 |
| 5086 | Lingfield, Surrey, S Peter & S Paul | 2 | 1934 | Steel | Gillett & Johnston | | |
| 5087 | Lingfield, Surrey, S Peter & S Paul | 1 | 1934 | Steel | Gillett & Johnston | | |
| 5088 | Linkinhorne, Cornwall, S Mellor | 1 | 1923 | Cast iron | John Taylor & Co | 8.3.A.h | 8.3 |
| 5089 | Linslade, Bedfordshire, S Barnabas | 1 | 1997 | Cast iron | Whitechapel Bell Foundry | 8.3.A.h | 8 |
| 5090 | Linslade, Bedfordshire, S Mary | 1 | 1700 | Timber | | | 5.1 |
| 5091 | Linton, Cambridgeshire, S Mary | 2 | | Timber | | | |
| 5092 | Linton, Cambridgeshire, S Mary | 1 | 1897 | Cast iron | John Warner & Sons | 8.3.A.e | 6.1 |
| 5093 | Linton, Herefordshire, S Mary V | 1 | 1958 | Cast iron | John Taylor & Co | 8.3.A | |
| 5094 | Linton, Kent, S Nicholas | 1 | 1902 | Cast iron & timber | Mears & Stainbank | 6.A & 8.3.A.e | 8.3 |
| 5095 | Lismore, New South Wales, Australia, S Andrew | 1 | | Metal | | | 8.3 |
| 5096 | Liss, Hampshire, S Mary | 8 | | Stone | | 9.A | |
| 5097 | Liss, Hampshire, S Mary | 1 | 1937 | Oak | Mears & Stainbank | 6.A | 8.3 |
| 5098 | Liss, Hampshire, S Peter, West Liss | 1 | 1897 | Oak | Mears & Stainbank | 6.A | 6.1 |
| 5099 | Litcham, Norfolk, All Saints | 1 | 1894 | Cast iron | John Warner & Sons | 8.3.A.e | 6.1 |
| 5100 | Litchborough, Northamptonshire, S Martin | 1 | 1909 | Composite | John Taylor & Co | | |