|
# | Tower | Bell | Weight | Note | Diameter | Cast | Founder |
| 41251 | Oare, Somerset, Blessed Virgin Mary | 2 of chime | 4–3–11 | E | 28.38″ | 1873 | John Taylor & Co |
| 41252 | Oare, Somerset, Blessed Virgin Mary | 3 of chime | 5–3–22 | D | 31.50″ | 1873 | John Taylor & Co |
| 41253 | Oare, Somerset, Blessed Virgin Mary | Clock | 1½ cwt | | 19.00″ | 1770 | Thomas Bayley |
| 41254 | Oare, Wiltshire, Holy Trinity | 1 of chime | | | 14.00″ | c1858 | John Warner & Sons |
| 41255 | Oatlands Park, Surrey, S Mary | 1 of 8 | 3–3–17 | G | | 1911 | John Warner & Sons |
| 41256 | Oatlands Park, Surrey, S Mary | 2 of 8 | 4–0–20 | F♯ | | 1911 | John Warner & Sons |
| 41257 | Oatlands Park, Surrey, S Mary | 3 of 8 | 4–3–9 | E | | 1911 | John Warner & Sons |
| 41258 | Oatlands Park, Surrey, S Mary | 4 of 8 | 5–2–25 | D | | 1911 | John Warner & Sons |
| 41259 | Oatlands Park, Surrey, S Mary | 5 of 8 | 6–1–10 | C | | 1911 | John Warner & Sons |
| 41260 | Oatlands Park, Surrey, S Mary | 6 of 8 | 7–2–13 | B | | 1911 | John Warner & Sons |
| 41261 | Oatlands Park, Surrey, S Mary | 7 of 8 | 9–0–11 | A | | 1911 | John Warner & Sons |
| 41262 | Oatlands Park, Surrey, S Mary | 8 of 8 | 12–0–12 | G | | 1911 | John Warner & Sons |
| 41263 | Oborne, Dorset, S Cuthbert New Church | 1 of chime | 1–1–18 | A | 18.88″ | 1939 | John Taylor & Co |
| 41264 | Oborne, Dorset, S Cuthbert Old Church | 1 of chime | ¾ cwt | E | 15.25″ | | Unidentified (blank) |
| 41265 | Occold, Suffolk, S Michael | 1 of 5 | 4¼ cwt | E | 27.25″ | 1653 | John II Brend |
| 41266 | Occold, Suffolk, S Michael | 2 of 5 | 4½ cwt | D | 28.25″ | 1653 | John II Brend |
| 41267 | Occold, Suffolk, S Michael | 3 of 5 | 5½ cwt | C♯ | 31.00″ | 1698 | Charles Newman |
| 41268 | Occold, Suffolk, S Michael | 4 of 5 | 6¾ cwt | B | 33.00″ | 1824 | William Dobson |
| 41269 | Occold, Suffolk, S Michael | 5 of 5 | 8 cwt | A | 36.75″ | 1653 | John II Brend |
| 41270 | Ockbrook, Derbyshire, All Saints | 1 of 6 | 2–3–21 | F♯ | 23.50″ | 1926 | Mears & Stainbank |
| 41271 | Ockbrook, Derbyshire, All Saints | 2 of 6 | 2–3–26 | E | 25.13″ | 1926 | Mears & Stainbank |
| 41272 | Ockbrook, Derbyshire, All Saints | 3 of 6 | 3–2–22 | D | 27.06″ | 1926 | Mears & Stainbank |
| 41273 | Ockbrook, Derbyshire, All Saints | 4 of 6 | 3–2–25 | C♯ | 27.38″ | [1590–1620] | Henry II Oldfield |
| 41274 | Ockbrook, Derbyshire, All Saints | 5 of 6 | 4–1–20 | B | 30.00″ | 1664 | George I Oldfield |
| 41275 | Ockbrook, Derbyshire, All Saints | 6 of 6 | 5–1–26 | A | 33.00″ | 1653† | George I Oldfield |
| 41276 | Ockford Ridge, Surrey, S Mark | 1 of chime | | | | | |
| 41277 | Ockham, Surrey, All Saints | 1 of 6 | 3–1–18 | G♯ | 23.88″ | 1974 | John Taylor & Co |
| 41278 | Ockham, Surrey, All Saints | 2 of 6 | 3¾ cwt | F♯ | 26.75″ | 1850 | Charles & George Mears |
| 41279 | Ockham, Surrey, All Saints | 3 of 6 | 4 cwt | E | 27.50″ | 1850 | Charles & George Mears |
| 41280 | Ockham, Surrey, All Saints | 4 of 6 | 3¼ cwt | D♯ | 26.75″ | 1719 | Richard Phelps |
| 41281 | Ockham, Surrey, All Saints | 5 of 6 | 4–3–16 | C♯ | 28.88″ | 1974 | John Taylor & Co |
| 41282 | Ockham, Surrey, All Saints | 6 of 6 | 7 cwt | B | 33.38″ | 1811 | Thomas II Mears |
| 41283 | Ockley, Surrey, former ch of S John Ev | 1 of chime | | | | | |
| 41284 | Ockley, Surrey, S Margaret | 1 of 6 | 5–1–25 | D♯ | 30.38″ | 1981 | Whitechapel Bell Foundry |
| 41285 | Ockley, Surrey, S Margaret | 2 of 6 | 6–0–0 | C♯ | 31.50″ | 1701 | Richard Phelps |
| 41286 | Ockley, Surrey, S Margaret | 3 of 6 | 6–3–8 | B | 32.88″ | 1701 | Richard Phelps |
| 41287 | Ockley, Surrey, S Margaret | 4 of 6 | 8–0–21 | A♯ | 36.00″ | 1701 | Richard Phelps |
| 41288 | Ockley, Surrey, S Margaret | 5 of 6 | 10–1–12 | G♯ | 39.38″ | 1701 | Richard Phelps |
| 41289 | Ockley, Surrey, S Margaret | 6 of 6 | 13–2–4 | F♯ | 44.00″ | 1701 | Richard Phelps |
| 41290 | Ocle Pychard, Herefordshire, S James Gt | 1 of 3 | | D | | c1600† | (unidentified) |
| 41291 | Ocle Pychard, Herefordshire, S James Gt | 2 of 3 | | B | | 1639 | John Finch |
| 41292 | Ocle Pychard, Herefordshire, S James Gt | 3 of 3 | 8 cwt | A | 36.25″ | c1410† | Worcester foundry |
| 41293 | Ocle Pychard, Herefordshire, S James Gt | Sanctus | | | 10.25″ | c1699† | (unidentified) |
| 41294 | Odcombe, Somerset, S Peter & S Paul | 1 of 6 | 3–0–14 | D♯ | 25.50″ | c1399† | Bristol foundry |
| 41295 | Odcombe, Somerset, S Peter & S Paul | 2 of 6 | 4–3–22 | C♯ | 30.25″ | 1791† | Thomas & James Bilbie |
| 41296 | Odcombe, Somerset, S Peter & S Paul | 3 of 6 | 5–3–11 | B | 32.25″ | 1791† | Thomas & James Bilbie |
| 41297 | Odcombe, Somerset, S Peter & S Paul | 4 of 6 | 6–1–20 | A♯ | 34.00″ | 1791† | Thomas & James Bilbie |
| 41298 | Odcombe, Somerset, S Peter & S Paul | 5 of 6 | 7–2–19 | G♯ | 37.50″ | 1791† | Thomas & James Bilbie |
| 41299 | Odcombe, Somerset, S Peter & S Paul | 6 of 6 | 11–3–17 | F♯ | 41.50″ | 1791† | Thomas & James Bilbie |
| 41300 | Odd Rode, Cheshire, All Saints | 1 of chime | 1–0–6 | | 17.00″ | 1961 | John Taylor & Co |