|
# | Tower | Bell | Weight | Note | Diameter | Cast | Founder |
| 40851 | Oldham, Greater Manchester, S Thomas, Moorside | 3 of 8 | 5–0–25 | D♯ | 30.00″ | 1873 | Mears & Stainbank |
| 40852 | Oldham, Greater Manchester, S Thomas, Moorside | 4 of 8 | 6–0–10 | C♯ | 32.00″ | 1873 | Mears & Stainbank |
| 40853 | Oldham, Greater Manchester, S Thomas, Moorside | 5 of 8 | 6–2–2 | B | 34.00″ | 1873 | Mears & Stainbank |
| 40854 | Oldham, Greater Manchester, S Thomas, Moorside | 6 of 8 | 8–0–14 | A♯ | 35.50″ | 1968 | Mears & Stainbank |
| 40855 | Oldham, Greater Manchester, S Thomas, Moorside | 7 of 8 | 9–1–9 | G♯ | 38.50″ | 1968 | Mears & Stainbank |
| 40856 | Oldham, Greater Manchester, S Thomas, Moorside | 8 of 8 | 11–1–12 | F♯ | 42.00″ | 1873 | Mears & Stainbank |
| 40857 | Oldhurst, Cambridgeshire, S Peter | 1 of chime | 2–0–8 | | 22.75″ | 1630 | James Keene |
| 40858 | Oldhurst, Cambridgeshire, S Peter | 2 of chime | 2–1–11 | | 23.63″ | 1705 | Thomas Newman |
| 40859 | Oldland, Gloucestershire, S Anne | 1 of chime | 2 cwt | | 20.00″ | 1821 | Thomas II Mears |
| 40860 | Oldridge, Devon, S Thomas | 1 of chime | | | 21.00″ | 1801 | Thomas (Castleman) III Bilbie |
| 40861 | Ollerton, Nottinghamshire, S Giles | 1 of hemispherical chime | 0–3–6 | B | | c1879 | Mears & Stainbank |
| 40862 | Ollerton, Nottinghamshire, S Giles | 2 of hemispherical chime | 0–3–15 | A | | c1879 | Mears & Stainbank |
| 40863 | Ollerton, Nottinghamshire, S Giles | 3 of hemispherical chime | 0–3–25 | G | | c1879 | Mears & Stainbank |
| 40864 | Ollerton, Nottinghamshire, S Giles | 4 of hemispherical chime | 1–0–20 | F♯ | | c1879 | Mears & Stainbank |
| 40865 | Ollerton, Nottinghamshire, S Giles | 5 of hemispherical chime | 1–1–22 | E | | c1879 | Mears & Stainbank |
| 40866 | Ollerton, Nottinghamshire, S Giles | 6 of hemispherical chime | 1–3–2 | D | | c1879 | Mears & Stainbank |
| 40867 | Ollerton, Nottinghamshire, S Giles | 1 of 1 | 13–1–16 | | | 1780† | Thomas II Hedderly |
| 40868 | Ollerton, Nottinghamshire, S Paulinus | 1 of chime | 3–0–23 | F | 24.50″ | | John Taylor & Co |
| 40869 | Olney, Buckinghamshire, S Peter & S Paul | 1 of 10 | 6–1–7 | F♯ | 29.25″ | 2008 | Whitechapel Bell Foundry |
| 40870 | Olney, Buckinghamshire, S Peter & S Paul | 2 of 10 | 6–2–23 | E | 30.50″ | 2008 | Whitechapel Bell Foundry |
| 40871 | Olney, Buckinghamshire, S Peter & S Paul | 3 of 10 | 6–2–12 | D | 31.88″ | 1903 | Alfred Bowell |
| 40872 | Olney, Buckinghamshire, S Peter & S Paul | 4 of 10 | 6–2–27 | C♯ | 32.63″ | 1903 | Alfred Bowell |
| 40873 | Olney, Buckinghamshire, S Peter & S Paul | 5 of 10 | 7–2–27 | B | 34.38″ | 1682 | Henry I Bagley |
| 40874 | Olney, Buckinghamshire, S Peter & S Paul | 6 of 10 | 7–2–17 | A | 35.13″ | 1599† | Newcombe (generic) |
| 40875 | Olney, Buckinghamshire, S Peter & S Paul | 7 of 10 | 10–1–7 | G | 39.75″ | 1699 | Henry II Bagley |
| 40876 | Olney, Buckinghamshire, S Peter & S Paul | 8 of 10 | 13–2–19 | F♯ | 43.63″ | 1631 | Robert Atton |
| 40877 | Olney, Buckinghamshire, S Peter & S Paul | 9 of 10 | 16–0–15 | E | 46.13″ | 1733 | Thomas Russell |
| 40878 | Olney, Buckinghamshire, S Peter & S Paul | 10 of 10 | 24–0–9 | D | 52.00″ | 1682 | Henry I Bagley |
| 40879 | Olton, West Midlands, S Margaret | 1 of chime | | C♯ | 19.94″ | c1896 | James Barwell |
| 40880 | Olveston, Gloucestershire, S Mary V | 1 of 8 | 5–1–23 | F | 28.13″ | 1907 | John Taylor & Co |
| 40881 | Olveston, Gloucestershire, S Mary V | 2 of 8 | 5–1–10 | E | 28.63″ | 1907 | John Taylor & Co |
| 40882 | Olveston, Gloucestershire, S Mary V | 3 of 8 | 6–0–10 | D | 30.75″ | 1907 | John Taylor & Co |
| 40883 | Olveston, Gloucestershire, S Mary V | 4 of 8 | 7–1–2 | C | 33.13″ | 1907 | John Taylor & Co |
| 40884 | Olveston, Gloucestershire, S Mary V | 5 of 8 | 8–1–8 | B♭ | 35.63″ | 1907 | John Taylor & Co |
| 40885 | Olveston, Gloucestershire, S Mary V | 6 of 8 | 10–0–4 | A | 37.75″ | 1907 | John Taylor & Co |
| 40886 | Olveston, Gloucestershire, S Mary V | 7 of 8 | 13–0–14 | G | 41.88″ | 1907 | John Taylor & Co |
| 40887 | Olveston, Gloucestershire, S Mary V | 8 of 8 | 18–3–8 | F | 47.00″ | 1907 | John Taylor & Co |
| 40888 | Ombersley, Worcestershire, S Andrew | 1 of 6 | 6–0–21 | C♯ | 31.25″ | 1682 | Matthew I & Henry II Bagley |
| 40889 | Ombersley, Worcestershire, S Andrew | 2 of 6 | 6–2–21 | B | 32.50″ | 1828 | John Rudhall |
| 40890 | Ombersley, Worcestershire, S Andrew | 3 of 6 | 8–0–9 | A | 35.50″ | 1682 | Matthew I & Henry II Bagley |
| 40891 | Ombersley, Worcestershire, S Andrew | 4 of 6 | 9–0–19 | G♯ | 36.50″ | 1828 | John Rudhall |
| 40892 | Ombersley, Worcestershire, S Andrew | 5 of 6 | 11–3–1 | F♯ | 40.88″ | 1682† | Henry I Bagley |
| 40893 | Ombersley, Worcestershire, S Andrew | 6 of 6 | 16–1–3 | E | 45.75″ | 1828 | John Rudhall |
| 40894 | Ombersley, Worcestershire, S Andrew | Service | | D♯ | 13.50″ | 1828 | John Rudhall |
| 40895 | Onchan, Isle of Man, S Peter, Conchan, Kirk Onchan | 1 of chime | 5–0–9 | D | 29.00″ | 1914 | John Taylor & Co |
| 40896 | Onchan, Isle of Man, S Peter, Conchan, Kirk Onchan | Disused of chime | | | 26.88″ | 1858 | Naylor, Vickers & Co |
| 40897 | Onecote, Staffordshire, S Luke | 1 of chime | | | 16.00″ | c1753 | Unidentified (blank) |
| 40898 | Onehouse, Suffolk, S John Bapt | 1 of chime | 2 cwt | | 21.06″ | 1673† | Robert Gurney |
| 40899 | Onehouse, Suffolk, S John Bapt | 2 of chime | 2¾ cwt | | 23.18″ | 1604† | James Edbury |
| 40900 | Onibury, Shropshire, S Michael & All Angels | 1 of 4 | 3 cwt | G♯ | 24.88″ | 1824 | John Rudhall |