| # | Tower | No | Year | Materials | Maker | Trusses | Layout |
|---|
| 501 | Barcheston, Warwickshire, S Martin | 1 | | | | | |
| 502 | Barcombe, East Sussex, S Mary V | 1 | 1912 | Steel | Gillett & Johnston | 8.1.B.a | 4.1 ➔ 6.1 |
| 503 | Barcombe, East Sussex, S Mary V | 1.1 | 1912 | Cast iron | Gillett & Johnston | 8.3.A.m | 2.X2 |
| 504 | Barcombe Cross, East Sussex, S Francis of Assisi | 1 | | Timber | | 1.A | 1 |
| 505 | Bardney, Lincolnshire, S Laurence | 1 | 1907 | Timber | Mears & Stainbank | 6.A | |
| 506 | Bardon, Leicestershire, S Peter | 1 | 1899 | Cast iron | John Taylor & Co | 8.3.C.e | 3.1 |
| 507 | Bardsey, West Yorkshire, All Hallows | 1 | 1899 | Timber | Thomas Mallaby | | 3.1 |
| 508 | Bardwell, Suffolk, S Peter & S Paul | 2 | <1553 | Oak | | 5.A & 5.H | ~ 4.2 R |
| 509 | Bardwell, Suffolk, S Peter & S Paul | 2.1 | 1930 | Steel | Alfred Bowell | 8.1.C.a | 1 |
| 510 | Bardwell, Suffolk, S Peter & S Paul | 1 | 2009 | Steel | Hayward Mills Associates | 8.1.B.a | 8.3 |
| 511 | Barford, Norfolk, S Botolph | 1 | | Timber | | 3.R | 1 |
| 512 | Barford, Warwickshire, S Peter | 1 | 1994 | Cast iron | John Taylor & Co | 8.3.A.h | 6.1 |
| 513 | Barford St Martin, Wiltshire, S Martin | 1 | 1906 | Cast iron | Greenleaf and Tristram | 8.3.A | ~ 6.13 |
| 514 | Barham, Kent, S John Bapt | 1 | 1938 | Timber | Mears & Stainbank | | |
| 515 | Barham, Suffolk, S Mary | 9 | c1499 | Oak | | | 4.3 |
| 516 | Barham, Suffolk, S Mary | 1 | 2020 | Steel | John Taylor & Co | 8.1.B.a | 6.14 R |
| 517 | Barholm, Lincolnshire, S Martin | 1 | | Timber | | 6.B | |
| 518 | Barkby, Leicestershire, S Mary | 2 | 1951 | Cast iron | | | 1 |
| 519 | Barkby, Leicestershire, S Mary | 1 | 1854 | Timber | | | 5 |
| 520 | Barkestone le Vale, Leicestershire, S Peter & S Paul | 1 | c1699 | Timber | | 6.B | 4.3 |
| 521 | Barkham, Berkshire, S James | 1 | | Oak | | | |
| 522 | Barking, Greater London, S Margaret | 1 | 1746† | Oak | Robert Catlin | 6.D | 8.3 |
| 523 | Barking, Suffolk, S Mary | 1 | 1911 | Steel & wrought iron | Alfred Bowell | 8.1.C.a | 6.4 |
| 524 | Barkingside, Greater London, S George | 1 | 1932 | Cast iron | Mears & Stainbank | 8.3.A.h | 8.3 |
| 525 | Barkston, Lincolnshire, S Nicholas | 2 | | Composite | | | |
| 526 | Barkston, Lincolnshire, S Nicholas | 1 | | Composite | | 7.A | |
| 527 | Barkway, Hertfordshire, S Mary Magd | 9 | | Timber | | | |
| 528 | Barkway, Hertfordshire, S Mary Magd | 7 | | Metal | | | |
| 529 | Barkway, Hertfordshire, S Mary Magd | 1 | 1914 | Steel | Alfred Bowell | | |
| 530 | Barlavington, West Sussex, S Mary | 1 | 1874 | Stone | | 9.A | 1 |
| 531 | Barlborough, Derbyshire, S James | 2 | | | | | |
| 532 | Barlborough, Derbyshire, S James | 1 | | | | | |
| 533 | Barlestone, Leicestershire, S Giles | 1 | | | | | |
| 534 | Barley, Hertfordshire, S Margaret of Antioch | 1 | c1499 | Timber | | | |
| 535 | Barlow Moor, Greater Manchester, Christ Church | 1 | c1882 | Oak | ? Mears & Stainbank | 6.A | ~ 8.X11 |
| 536 | Barmby Moor, East Riding of Yorkshire, S Catherine | 1 | 1998 | Steel | Hayward Mills Associates | 8.1.B | 6.13 |
| 537 | Barming, Kent, S Margaret of Antioch | 1 | 1883 | | Mears & Stainbank | | |
| 538 | Barmouth, Gwynedd, Wales, S John | 1 | 1894 | | Mears & Stainbank | | 8.3 |
| 539 | Barnack, Cambridgeshire, S John Bapt | 1 | 1999 | Steel | Hayward Mills Associates | | |
| 540 | Barnacre, Lancashire, All Saints | 1 | 1906 | Oak | John Taylor & Co | | |
| 541 | Barnard Castle, Durham, S Mary V | 1 | 1823 | Oak | | 6.B | 8.3 |
| 542 | Barnardiston, Suffolk, All Saints | 2 | c1996 | Steel | Eayre & Smith | 8.1.A.a | |
| 543 | Barnardiston, Suffolk, All Saints | 1 | c1499 | Oak | | ~ 5.R & 6 | 5.X |
| 544 | Barnburgh, South Yorkshire, S Peter | 1 | 1993 | Steel | National Coal Board | | 5 |
| 545 | Barnby, Suffolk, S John Bapt | 1 | c1500 | Timber | | 5.H | 3.1 |
| 546 | Barnby Dun, South Yorkshire, S Peter & S Paul | 1 | 1887 | Timber | John Francis Mallaby | | |
| 547 | Barnby in the Willows, Nottinghamshire, All Saints | 1 | 1932 | Cast iron | John Taylor & Co | | |
| 548 | Barnes, Greater London, S Mary | 1 | 1897 | Cast iron | John Warner & Sons | | |
| 549 | Barnet, Greater London, S John Bapt | 1 | 1892 | Oak | Mears & Stainbank | | |
| 550 | Barnetby le Wold, Lincolnshire, S Mary | 1 | c1499† | Timber | | 6.B | |