| # | Tower | No | Year | Materials | Maker | Trusses | Layout |
|---|
| 4551 | Idbury, Oxfordshire, S Nicholas | 1 | c1860 | Composite | Henry Bond | 7.C.c | 3.3 |
| 4552 | Iddesleigh, Devon, S James | 1 | 1904 | Oak | Harry Stokes | 6.B | 6.5 R |
| 4553 | Ide, Devon, S Ida | 2 | 1880 | | Thomas II Hooper/Harry Stokes | | |
| 4554 | Ide, Devon, S Ida | 1 | 1880 | Oak | Thomas II Hooper/Harry Stokes | 6.S | 5.1 |
| 4555 | Ideford, Devon, S Mary V | 1 | 1988 | Steel | Whitechapel Bell Foundry | 8.1.B.c | |
| 4556 | Iden, East Sussex, All Saints | 2 | 1909 | Steel | Alfred Bowell | 8.1.F | 1 |
| 4557 | Iden, East Sussex, All Saints | 1 | | Timber | | 6.H | 5.1 |
| 4558 | Idle, West Yorkshire, Holy Trinity | 2 | 1914 | Cast iron | John Taylor & Co | 8.3.D.a | |
| 4559 | Idle, West Yorkshire, Holy Trinity | 1 | 1914 | Cast iron | John Taylor & Co | 8.3.D.a | |
| 4560 | Iffley, Oxfordshire, S Mary V | 1 | 1911 | Oak | Richard White | | |
| 4561 | Ifield, West Sussex, S Margaret | 1 | 1884 | Timber | ? Gillett & Johnston | 1.D.iii | 2.X2 |
| 4562 | Iford, East Sussex, S Nicholas | 1 | c1225† | Oak | | 5.D | 3.1 |
| 4563 | Ightham, Kent, S Peter | 1 | | Teak | | | |
| 4564 | Iken, Suffolk, S Botolph | 1 | 1880 | Timber | George Day & Sons | 6.A | 5.1 |
| 4565 | Ilam, Staffordshire, Holy Cross | 1 | c1856 | Oak | ? John Taylor & Co | 6.A | 5.1 |
| 4566 | Ilchester, Somerset, S Mary Major | 1 | 1938 | Cast iron | Gillett & Johnston | | 5.11 |
| 4567 | Ilford, Greater London, S Mary | 9 | 1981 | Steel | Locally manufactured | | |
| 4568 | Ilford, Greater London, S Mary | 1 | 1981 | Steel | Locally manufactured | 8.1.F.e | 8.3 |
| 4569 | Ilfracombe, Devon, Holy Trinity | 1 | 1930 | Cast iron | John Taylor & Co | 8.3.C.e | 8.3 |
| 4570 | Ilfracombe, Devon, S Philip & S James | 2 | 1923 | Oak | Llewellins & James | 6.A | |
| 4571 | Ilfracombe, Devon, S Philip & S James | 1 | 1876 | Oak | Llewellins & James | 6.A | 6.1 |
| 4572 | Ilkeston, Derbyshire, S Mary V | 1 | 1910 | Cast iron | John Taylor & Co | 8.3.C.e | 8.3 |
| 4573 | Ilketshall St Andrew, Suffolk, S Andrew | 1 | 1890 | Oak | | 6.A | 4.6 |
| 4574 | Ilketshall St Lawrence, Suffolk, S Lawrence | 1 | c1700 | Oak | | 6.A | 2.X1 |
| 4575 | Ilketshall St Margaret, Suffolk, S Margaret | 1 | c1599 | Oak | | ~ 5.O | 3.3 |
| 4576 | Ilkley, West Yorkshire, All Saints | 1 | 1939 | Cast iron | John Taylor & Co | 8.3.A.h | 8.3 |
| 4577 | Illogan, Cornwall, S Illogan | 2 | 1889 | Oak | William Aggett and Sons | 6.A | 4.3 |
| 4578 | Illogan, Cornwall, S Illogan | 1 | 1889 | Oak | William Aggett and Sons | 6.A | |
| 4579 | Illston on the Hill, Leicestershire, S Michael & All Angels | 2 | 1946 | Cast iron | John Taylor & Co | 8.3.A.h | |
| 4580 | Illston on the Hill, Leicestershire, S Michael & All Angels | 1 | 1932 | Cast iron | John Taylor & Co | 8.3.C.e | 5.1 |
| 4581 | Ilmington, Warwickshire, S Mary | 1 | 1952 | Cast iron | John Taylor & Co | | 8 |
| 4582 | Ilminster, Somerset, Blessed Virgin Mary | 1 | 1902 | Cast iron | John Taylor & Co | 8.3.C.e | 8.3 |
| 4583 | Ilsington, Devon, S Michael | 2 | 1926 | Cast iron | Gillett & Johnston | 8.3.A.m | 1 |
| 4584 | Ilsington, Devon, S Michael | 1 | 1947 | Cast iron | Gillett & Johnston | 8.3.C.e | 5.1 |
| 4585 | Ilton, Somerset, S Peter | 2 | 1962 | Cast iron | John Taylor & Co | 8.3.A.h | ~ 4.3 |
| 4586 | Ilton, Somerset, S Peter | 1 | 1962 | Cast iron | John Taylor & Co | 8.3.A.h | 2.X1 |
| 4587 | Imber, Wiltshire, S Giles | 2 | 2010 | Steel | Matthew Higby & Co | 8.1.B | |
| 4588 | Imber, Wiltshire, S Giles | 1 | c1824 | Timber | | 6.A | 5.1 |
| 4589 | Immingham, Lincolnshire, S Andrew | 1 | 1986 | Cast iron & steel | Fred Pembleton | | |
| 4590 | Impington, Cambridgeshire, S Andrew | 1 | 1925 | Cast iron | John Taylor & Co | 8.3.A.h | 3.1 |
| 4591 | Ingatestone, Essex, S Edmund & S Mary | 1 | 1875 | Timber | ? John Warner & Sons | 6.A | 5.1 |
| 4592 | Ingatestone, Essex, S Edmund & S Mary | 1.1 | 1923 | Cast iron & steel | Mears & Stainbank | 8.3.A.h | |
| 4593 | Ingestre, Staffordshire, S Mary V | 1 | 1692 | Oak | | 6.A | 6.12 D |
| 4594 | Ingham, Suffolk, S Bartholomew | 1 | c1860 | Oak & steel | | | 5.1 |
| 4595 | Ingleby Greenhow, North Yorkshire, S Andrew | 1 | 1986 | Timber | John Taylor & Co | 1.D | 2.X1 |
| 4596 | Ingleton, North Yorkshire, S Mary V | 2 | 1861 | Timber | Naylor, Vickers & Co | | |
| 4597 | Ingleton, North Yorkshire, S Mary V | 1 | 1861 | Timber | Naylor, Vickers & Co | 6.B | |
| 4598 | Ingoldmells, Lincolnshire, S Peter & S Paul | 1 | 1969 | Cast iron | John Taylor & Co | 8.3.A.h | 8.3 |
| 4599 | Ingoldsby, Lincolnshire, S Bartholomew | 1 | | Timber | | 6.D | 3.1 |
| 4600 | Ingrave, Essex, S Nicholas | 1 | 1978 | Cast iron & steel | John Taylor & Co | 8.3.A.h | 6.1 |