| # | Tower | No | Year | Materials | Maker | Trusses | Layout |
| 5701 | Lynton, Devon, S Mary V | 1 | c1902 | Oak | ? Mears & Stainbank | 6.A | 6.1 |
| 5702 | Lyonshall, Herefordshire, S Michael & All Angels | 1 | 1924 | Metal | Mears & Stainbank | 8.1.B.b | 6.1 |
| 5703 | Lytchett Matravers, Dorset, S Mary V | 2 | 1931 | Cast iron | Mears & Stainbank | 8.3.A | |
| 5704 | Lytchett Matravers, Dorset, S Mary V | 1 | 1931 | Cast iron | Mears & Stainbank | 8.3.A.h | 5.1 |
| 5705 | Lytchett Minster, Dorset, dedication unknown | 1 | 1994 | Cast iron | Nicholson Engineering Ltd | 8.3.A.g | 6.1 |
| 5706 | Lytham, Lancashire, S Cuthbert | 1 | 1957 | | Mears & Stainbank | | |
| 5707 | Lytham, Lancashire, S John Div | 2 | | Oak | | | |
| 5708 | Lytham, Lancashire, S John Div | 1 | | Oak | | | |
| 5709 | Lytham, Lancashire, S Peter (RC) | 1 | 1878 | Oak | Mears & Stainbank | 6.A | 6.1 |
| 5710 | Mabe, Cornwall, S Laudus | 1 | 1930 | Cast iron | John Taylor & Co | | 6 |
| 5711 | Mablethorpe, Lincolnshire, S Mary | 1 | 1907 | Cast iron | John Taylor & Co | 8.3.A.h | 6.4 |
| 5712 | Macclesfield, Cheshire, Christ Church | 1 | 1947 | Cast iron | John Taylor & Co | | |
| 5713 | Macclesfield, Cheshire, S Michael & All Angels | 1 | 1923 | Cast iron | John Taylor & Co | | |
| 5714 | Machen, Newport, Wales, S Michael, Lower Machen | 1 | 1911 | Metal | Llewellins & James | | |
| 5715 | Machynlleth, Powys, Wales, S Peter | 1 | 1892 | Timber | James Barwell | 6.B | 6.1 ➔ 9.X |
| 5716 | Machynlleth, Powys, Wales, S Peter | 1.1 | 1911 | Cast iron & timber | James Barwell | 7.C.d | 3.X |
| 5717 | Mackworth, Derbyshire, All Saints | 1 | | Oak | | 5.A | |
| 5718 | Maddington, Wiltshire, S Mary | 1 | | Timber | | | 3.1 |
| 5719 | Madeley, Staffordshire, All Saints | 1 | 1931 | Cast iron | John Taylor & Co | 8.3.A | 6.1 |
| 5720 | Madingley, Cambridgeshire, S Mary Magd | 1 | 1927 | Cast iron | John Taylor & Co | 8.3.A.h | 4.2 |
| 5721 | Madley, Herefordshire, Nativity of BVM | 9 | | Oak | | | |
| 5722 | Madley, Herefordshire, Nativity of BVM | 1 | 1983 | Steel | John Taylor & Co | | |
| 5723 | Madresfield, Worcestershire, S Mary | 1 | 1867 | Timber | | | |
| 5724 | Madron, Cornwall, S Maddern | 1 | | Steel | | | |
| 5725 | Magor, Monmouthshire, Wales, S Mary V | 1 | 1979 | Cast iron | Arthur Fidler | 8.3.A.h | 6.1 |
| 5726 | Maiden Bradley, Wiltshire, All Saints | 1 | 1895 | Oak | | 6.A | 6.1 |
| 5727 | Maiden Newton, Dorset, S Mary | 1 | 1924 | Steel | Mears & Stainbank | | 6.1 |
| 5728 | Maidenhead, Berkshire, All Saints, Boyne Hill | 9 | | | | | |
| 5729 | Maidenhead, Berkshire, All Saints, Boyne Hill | 1 | 1922 | Cast iron | | | |
| 5730 | Maidenhead, Berkshire, Hospital Chapel of S Mark | 1 | | Stone | | 9.A | 1 |
| 5731 | Maids Moreton, Buckinghamshire, S Edmund | 1 | 1906 | Cast iron & steel | Alfred Bowell | 8.2.D.a & 8.2.D.b | 6.1 |
| 5732 | Maidstone, Kent, All Saints | 1 | 1957 | Cast iron | John Taylor & Co | 8.3.A.h | ~ 10.4 |
| 5733 | Maidstone, Kent, S Faith | 1 | 1872 | Timber | John Warner & Sons | 6.A | 1 |
| 5734 | Maidstone, Kent, S Michael & All Angels | 8 | | | | | |
| 5735 | Maidstone, Kent, S Michael & All Angels | 1 | 1876 | Oak | John Warner & Sons | 6.A | 8.3 |
| 5736 | Maidwell, Northamptonshire, S Mary | 1 | 1933 | Cast iron | Gillett & Johnston | 8.3.A.m | 6.1 |
| 5737 | Maisemore, Gloucestershire, S Giles | 1 | 1884 | Oak | John Warner & Sons | 6.A | 6.4 |
| 5738 | Maker, Cornwall, S Mary & S Julian | 1 | 1907 | Timber | William Aggett and Sons | 6.A | 6.5 R |
| 5739 | Makhanda, Eastern Cape, South Africa, Cath Ch of S Michael & S George | 1 | 1993 | Steel | Local firm | | |
| 5740 | Makhanda, Eastern Cape, South Africa, Holy Cross Monastery, Hillandale | 1 | 1999 | Steel | Local firm | | |
| 5741 | Malborough, Devon, All Saints | 2 | 1936 | Cast iron | Gillett & Johnston | 8.3.D.a | |
| 5742 | Malborough, Devon, All Saints | 1 | 1936 | Cast iron | Gillett & Johnston | 8.3.D.a | |
| 5743 | Maldon, Essex, All Saints | 9 | | | | | |
| 5744 | Maldon, Essex, All Saints | 1 | 1922† | Metal | Alfred Bowell | 8.1.C.a | |
| 5745 | Maldon, Essex, S Mary | 1 | c1640† | Timber | | 5.A & 6.I | |
| 5746 | Maldon, Essex, S Mary | 1.1 | c1799† | Timber | | 6.I | |
| 5747 | Malinslee, Shropshire, S Leonard | 1 | c1887 | Cast iron & oak | Charles Carr | 7.B.b | 6 |
| 5748 | Malmesbury, Wiltshire, S Paul's Tower | 1 | 1910 | Cast iron | Mears & Stainbank | 8.3.A.e | 6.1 ➔ 8.3 |
| 5749 | Malmesbury, Wiltshire, S Paul's Tower | 1.1 | 1951 | Cast iron | Gillett & Johnston | 8.3.A.m | 2.X2 |
| 5750 | Malpas, Cheshire, S Oswald | 1 | 1914 | Cast iron | John Taylor & Co | 8.3.C.e | 8.3 |