| # | Tower | No | Year | Materials | Maker | Trusses | Layout |
|---|
| 5001 | Kirklington, North Yorkshire, S Michael | 1 | 1929 | Cast iron & steel | Mears & Stainbank | | |
| 5002 | Kirklington, North Yorkshire, S Michael | 1.1 | 1998 | Steel | Local labour/guild/assn | | |
| 5003 | Kirklington, Nottinghamshire, S Swithin | 1 | <1757 | Timber | | 5.A | 3.1 |
| 5004 | Kirkoswald, Cumbria, S Oswald | 1 | 1893 | Cast iron & oak | John Taylor & Co | 7.A.a | 2.X1 |
| 5005 | Kirkstall, West Yorkshire, S Stephen | 1 | | | | | |
| 5006 | Kirkthorpe, West Yorkshire, S Peter | 1 | 1919 | Cast iron | John Taylor & Co | | 6.1 |
| 5007 | Kirtlington, Oxfordshire, S Mary V | 1 | 1938 | Cast iron | John Taylor & Co | 8.3.A.h | 8.3 |
| 5008 | Kirton in Holland, Lincolnshire, S Peter & S Paul | 1 | 1807 | Timber | John Cabourn | | |
| 5009 | Kirton in Lindsey, Lincolnshire, S Andrew | 1 | 1968 | Cast iron | John Taylor & Co | 8.3.A.h | 8.3 |
| 5010 | Kislingbury, Northamptonshire, S Luke | 2 | 1929 | Cast iron | Gillett & Johnston | 8.3.D.a | 4.2 |
| 5011 | Kislingbury, Northamptonshire, S Luke | 1 | 1929 | Cast iron | Gillett & Johnston | 8.3.D.a | 4.2 R |
| 5012 | Kittisford, Somerset, S Nicholas | 1 | | Oak | John Sully | | |
| 5013 | Knapton, Norfolk, S Peter | 1 | | Cast iron | | 8.3.A.h | 6.1 |
| 5014 | Knapton, North Yorkshire, S Edmund | 1 | | Stone | | 9.A | 1 |
| 5015 | Knaresborough, North Yorkshire, S John Bapt | 1 | 1925 | Cast iron | John Taylor & Co | 8.3.A.h | 8.3 |
| 5016 | Knebworth, Hertfordshire, S Mary & S Thomas a Becket | 1 | | Timber | | | |
| 5017 | Kneesall, Nottinghamshire, S Bartholomew | 1 | | Timber | | | |
| 5018 | Kneeton, Nottinghamshire, S Helen | 1 | 1891 | Cast iron & timber | John Taylor & Co | 7.A.a | 3.1 ➔ 4.3 |
| 5019 | Kneeton, Nottinghamshire, S Helen | 1.1 | 2001 | Cast iron | Hayward Mills Associates | 8.3.A.h | 1 |
| 5020 | Knighton, Leicestershire, S Mary Magd | 4 | | Timber | | | |
| 5021 | Knighton, Leicestershire, S Mary Magd | 1 | 1978 | Cast iron | John Taylor & Co | | |
| 5022 | Knighton, Powys, Wales, S Edward | 8 | | | | | |
| 5023 | Knighton, Powys, Wales, S Edward | 1 | 1914 | Steel | James Barwell | 8.1.B.a | 8.3 |
| 5024 | Knights Enham, Hampshire, S Paul | 1 | | Brick | | 9.A | 1 |
| 5025 | Knightsbridge, Greater London, S Paul | 1 | 1843 | Timber | Thomas II Mears | | |
| 5026 | Knightsbridge, Greater London, S Paul | 1.1 | 1846 | Timber | Charles & George Mears | | |
| 5027 | Knill, Herefordshire, S Michael & All Angels | 1 | | Oak | | | |
| 5028 | Knipton, Leicestershire, All Saints | 1 | c1492† | Oak | | 3.G | 3.1 |
| 5029 | Kniveton, Derbyshire, S Michael & All Angels | 1 | | Timber | | 1 | 2.X1 |
| 5030 | Knowle, City of Bristol, Holy Nativity | 2 | 1931 | Cast iron | Gillett & Johnston | 8.3.D.a | 4.3 |
| 5031 | Knowle, City of Bristol, Holy Nativity | 1 | 1931 | Cast iron | Gillett & Johnston | 8.3.D.a | 4.3 |
| 5032 | Knowle, West Midlands, S John Bapt, S Lawrence, & S Anne | 1 | 1979 | Cast iron | John Taylor & Co | 8.3.A.h | 8.3 |
| 5033 | Knowstone, Devon, S Peter | 1 | 1897 | Oak | Whites of Appleton | 6.A | |
| 5034 | Kwekwe, Zimbabwe, S Luke | 1 | c1963 | Steel | Local labour/guild/assn | | |
| 5035 | Kynnersley, Shropshire, S Chad | 1 | | Oak | | 6.B | 3.1 |
| 5036 | Lackford, Suffolk, S Lawrence | 1 | 1897 | Oak | Alfred Bowell | 6.A | 1 |
| 5037 | Lacock, Wiltshire, S Cyriac | 2 | 1973 | Cast iron | Whitechapel Bell Foundry | 8.3.A.h | 2 |
| 5038 | Lacock, Wiltshire, S Cyriac | 1 | 1973 | Cast iron | Whitechapel Bell Foundry | 8.3.C.e | 4 |
| 5039 | Ladbroke, Warwickshire, All Saints | 1 | 1873 | Oak | John Taylor & Co | 6.A | 5.1 |
| 5040 | Ladock, Cornwall, S Ladoca | 1 | 2025 | Cast iron | John Taylor Bellfounders Ltd | 8.3.A.h | 8.X |
| 5041 | Lahore, Pakistan, Cath Ch of The Resurrection | 9 | | | | | |
| 5042 | Lahore, Pakistan, Cath Ch of The Resurrection | 2 | 1903 | Cast iron | John Taylor & Co | 8.3.D.a | 4.2 |
| 5043 | Lahore, Pakistan, Cath Ch of The Resurrection | 1 | 1903 | Cast iron | John Taylor & Co | 8.3.D.a | 4.2 |
| 5044 | Laira, Devon, S Mary V | 1 | 2000 | Steel | Nicholson Engineering Ltd | 8.1.B.a | 8.1 |
| 5045 | Lake, Isle of Wight, The Good Shepherd | 1 | | Stone | | 9.A | 2.X1 |
| 5046 | Lakenheath, Suffolk, S Mary | 1 | 1915 | Steel | Alfred Bowell | 8.1.C.a | 6.4 |
| 5047 | Laleston, Bridgend, Mid Glamorgan, Wales, S David | 1 | c1949 | Cast iron | ? John Taylor & Co | | |
| 5048 | Lamas, Norfolk, S Andrew | 1 | 1949 | Cast iron | Gillett & Johnston | | |
| 5049 | Lamberhurst, Kent, S Mary | 1 | 1925 | Cast iron | Gillett & Johnston | 8.3.C.e | 6.1 |
| 5050 | Lambourn, Berkshire, S Michael & All Angels | 1 | 1892 | Cast iron | John Warner & Sons | 8.3.A.e | 8.3 |