| # | Tower | No | Year | Materials | Maker | Trusses | Layout |
|---|
| 4751 | Illston on the Hill, Leicestershire, S Michael & All Angels | 2 | 1946 | Cast iron | John Taylor & Co | 8.3.A.h | |
| 4752 | Illston on the Hill, Leicestershire, S Michael & All Angels | 1 | 1932 | Cast iron | John Taylor & Co | 8.3.C.e | 5.1 |
| 4753 | Ilmington, Warwickshire, S Mary | 1 | 1952 | Cast iron | John Taylor & Co | | 8 |
| 4754 | Ilminster, Somerset, Blessed Virgin Mary | 1 | 1902 | Cast iron | John Taylor & Co | 8.3.C.e | 8.3 |
| 4755 | Ilsington, Devon, S Michael | 2 | 1926 | Cast iron | Gillett & Johnston | 8.3.A.m | 1 |
| 4756 | Ilsington, Devon, S Michael | 1 | 1947 | Cast iron | Gillett & Johnston | 8.3.C.e | 5.1 |
| 4757 | Ilton, Somerset, S Peter | 2 | 1962 | Cast iron | John Taylor & Co | 8.3.A.h | ~ 4.3 |
| 4758 | Ilton, Somerset, S Peter | 1 | 1962 | Cast iron | John Taylor & Co | 8.3.A.h | 2.X1 |
| 4759 | Imber, Wiltshire, S Giles | 2 | 2010 | Steel | Matthew Higby & Co | 8.1.B | |
| 4760 | Imber, Wiltshire, S Giles | 1 | c1824 | Timber | | 6.A | 5.1 |
| 4761 | Immingham, Lincolnshire, S Andrew | 1 | 1986 | Cast iron & steel | Fred Pembleton | | |
| 4762 | Impington, Cambridgeshire, S Andrew | 1 | 1925 | Cast iron | John Taylor & Co | 8.3.A.h | 3.1 |
| 4763 | Ingatestone, Essex, S Edmund & S Mary | 1 | 1875 | Timber | ? John Warner & Sons | 6.A | 5.1 |
| 4764 | Ingatestone, Essex, S Edmund & S Mary | 1.1 | 1923 | Cast iron & steel | Mears & Stainbank | 8.3.A.h | |
| 4765 | Ingestre, Staffordshire, S Mary V | 1 | 1692 | Oak | | 6.A | 6.12 D |
| 4766 | Ingham, Suffolk, S Bartholomew | 1 | c1860 | Oak & steel | | | 5.1 |
| 4767 | Ingleby Greenhow, North Yorkshire, S Andrew | 1 | 1986 | Timber | John Taylor & Co | 1.D | 2.X1 |
| 4768 | Ingleton, North Yorkshire, S Mary V | 2 | 1861 | Timber | Naylor, Vickers & Co | | |
| 4769 | Ingleton, North Yorkshire, S Mary V | 1 | 1861 | Timber | Naylor, Vickers & Co | 6.B | |
| 4770 | Ingoldisthorpe, Norfolk, S Michael | 1 | | Timber | | | 3.1 |
| 4771 | Ingoldmells, Lincolnshire, S Peter & S Paul | 1 | 1969 | Cast iron | John Taylor & Co | 8.3.A.h | 8.3 |
| 4772 | Ingoldsby, Lincolnshire, S Bartholomew | 1 | | Timber | | 6.D | 3.1 |
| 4773 | Ingrave, Essex, S Nicholas | 1 | 1978 | Cast iron & steel | John Taylor & Co | 8.3.A.h | 6.1 |
| 4774 | Inkberrow, Worcestershire, S Peter | 1 | 1845 | Oak | John Jacques | 6.A | 6.2 R |
| 4775 | Inkpen, Berkshire, S Michael | 1 | | Timber | | 1.E | |
| 4776 | Instow, Devon, S John Bapt | 1 | | Oak | | 6.A | 3.1 |
| 4777 | Inveraray, Argyll and Bute, Scotland, All Saints (Episc) | 1 | 1920 | Cast iron | John Taylor & Co | 8.3.A.h | 10.3 |
| 4778 | Inverness, Highland, Scotland, Cath Ch of S Andrew (Episc) | 3 | | Timber | | 1.B | |
| 4779 | Inverness, Highland, Scotland, Cath Ch of S Andrew (Episc) | 2 | 1973 | Cast iron | John Taylor & Co | 8.3.A.h | 3.1 |
| 4780 | Inverness, Highland, Scotland, Cath Ch of S Andrew (Episc) | 1 | 1973 | Cast iron | John Taylor & Co | 8.3.C.e | 7.X |
| 4781 | Inwardleigh, Devon, S Petroc | 1 | 1904 | Oak | William Aggett and Sons | 6.A | 5.1 |
| 4782 | Inwardleigh, Devon, S Petroc | 1.1 | 1969 | Steel | Arthur Fidler | 8.1.B.a ? | |
| 4783 | Inworth, Essex, All Saints | 2 | c2003 | Metal | Local firm | | |
| 4784 | Inworth, Essex, All Saints | 1 | c1877 | Timber | | 6.A | 5.1 |
| 4785 | Iping, West Sussex, S Mary | 1 | | Oak | | 6.M | 1 |
| 4786 | Ipplepen, Devon, S Andrew | 1 | 1950 | Cast iron | Gillett & Johnston | 8.3.A.m | 8.3 |
| 4787 | Ipsley, Worcestershire, S Peter | 1 | 1971 | Cast iron | John Taylor & Co | | 6 |
| 4788 | Ipstones, Staffordshire, S Leonard | 1 | 2017 | Steel | Local labour/guild/assn | 8.1.B.c | 6.1 |
| 4789 | Ipswich, Suffolk, All Hallows | 1 | | Steel | | 8.1.A | |
| 4790 | Ipswich, Suffolk, S Clement | 2 | c1921 | Cast iron | Alfred Bowell | 8.3.A.h | 1 |
| 4791 | Ipswich, Suffolk, S Clement | 1 | c1921 | Steel | Alfred Bowell | 8.1.C.a | |
| 4792 | Ipswich, Suffolk, S Lawrence | 1 | 2009 | Steel | Whitechapel Bell Foundry | 8.3.A.h | 5.1 |
| 4793 | Ipswich, Suffolk, S Margaret | 2 | 1899 | Cast iron & oak | Alfred Bowell | 6.A | 8.1 |
| 4794 | Ipswich, Suffolk, S Margaret | 1 | 2018 | Steel | Nicholson Engineering Ltd | 8.1.B.a | 8.3 |
| 4795 | Ipswich, Suffolk, S Mary at the Elms | 1 | c1599 | Oak | | 5.H | 5.8 |
| 4796 | Ipswich, Suffolk, S Mary at the Quay | 1 | c1775 | Oak | | 10 | 6.7 |
| 4797 | Ipswich, Suffolk, Minster Ch of S Mary le Tower | 2 | 1976 | Cast iron | John Taylor & Co | 8.3.A.h | 4 |
| 4798 | Ipswich, Suffolk, Minster Ch of S Mary le Tower | 2.1 | 1999 | Steel | John Taylor & Co | | |
| 4799 | Ipswich, Suffolk, Minster Ch of S Mary le Tower | 2.2 | 1999 | Steel | John Taylor & Co | | |
| 4800 | Ipswich, Suffolk, Minster Ch of S Mary le Tower | 1 | 1976 | Cast iron | John Taylor & Co | 8.3.A.h | 9 |