|
# | Tower | Bell | Weight | Note | Diameter | Cast | Founder |
| 28951 | Oakington, Cambridgeshire, S Andrew | 5 of 6 | 4–2–22 | B | 31.00″ | 1655 | Miles III Graye |
| 28952 | Oakington, Cambridgeshire, S Andrew | 6 of 6 | 5–2–20 | A | 34.00″ | 1656 | Miles III Graye |
| 28953 | Oakley, Bedfordshire, S Mary | 1 of 6 | 4–0–4 | E | 26.63″ | 1978 | Whitechapel Bell Foundry |
| 28954 | Oakley, Bedfordshire, S Mary | 2 of 6 | 4–1–15 | D | 28.00″ | 1750 | Thomas I Eayre |
| 28955 | Oakley, Bedfordshire, S Mary | 3 of 6 | 4–0–23 | C | 29.75″ | 1711 | (unidentified) |
| 28956 | Oakley, Bedfordshire, S Mary | 4 of 6 | 6–0–7 | B | 32.00″ | 1900 | John Taylor & Co |
| 28957 | Oakley, Bedfordshire, S Mary | 5 of 6 | 6–0–22 | A | 34.37″ | 1842 | Thomas II Mears |
| 28958 | Oakley, Bedfordshire, S Mary | 6 of 6 | 10–0–2 | G | 39.00″ | 1900 | John Taylor & Co |
| 28959 | Oakley, Buckinghamshire, S Mary | 1 of 3 | 4¾ cwt | C♯ | 30.00″ | 1622 | Henry I Knight |
| 28960 | Oakley, Buckinghamshire, S Mary | 2 of 3 | 5¾ cwt | B | 32.00″ | 1621 | Henry I Knight |
| 28961 | Oakley, Buckinghamshire, S Mary | 3 of 3 | 7 cwt | A♯ | 35.13″ | 1601 | Joseph Carter |
| 28962 | Oakley, Suffolk, S Nicholas | 1 of 6 | 4–1–20 | E | 27.13″ | 1950 | Mears & Stainbank |
| 28963 | Oakley, Suffolk, S Nicholas | 2 of 6 | 5–1–0 | D | 29.25″ | 1711 | John Goldsmith |
| 28964 | Oakley, Suffolk, S Nicholas | 3 of 6 | 5–1–6 | C | 30.88″ | 1711 | John Goldsmith |
| 28965 | Oakley, Suffolk, S Nicholas | 4 of 6 | 5–3–16 | B | 31.00″ | 1958 | John Taylor & Co |
| 28966 | Oakley, Suffolk, S Nicholas | 5 of 6 | 8–0–20 | A | 35.69″ | c1400† | William Dawe |
| 28967 | Oakley, Suffolk, S Nicholas | 6 of 6 | 10–3–4 | G | 40.00″ | 1711 | John Goldsmith |
| 28968 | Oaks in Charnwood, Leicestershire, S James Greater | 1 of 8 | 2–2–2 | A♭ | 22.00″ | 1971 | John Taylor & Co |
| 28969 | Oaks in Charnwood, Leicestershire, S James Greater | 2 of 8 | 2–3–9 | G | 23.25″ | 1971 | John Taylor & Co |
| 28970 | Oaks in Charnwood, Leicestershire, S James Greater | 3 of 8 | 3–1–4 | F | 25.00″ | 1883 | John Taylor & Co |
| 28971 | Oaks in Charnwood, Leicestershire, S James Greater | 4 of 8 | 3–3–5 | E♭ | 27.00″ | 1883 | John Taylor & Co |
| 28972 | Oaks in Charnwood, Leicestershire, S James Greater | 5 of 8 | 5–0–10 | D♭ | 29.25″ | 1883 | John Taylor & Co |
| 28973 | Oaks in Charnwood, Leicestershire, S James Greater | 6 of 8 | 6–0–22 | C | 31.00″ | 1883 | John Taylor & Co |
| 28974 | Oaks in Charnwood, Leicestershire, S James Greater | 7 of 8 | 8–0–15 | B♭ | 34.50″ | 1883 | John Taylor & Co |
| 28975 | Oaks in Charnwood, Leicestershire, S James Greater | 8 of 8 | 10–1–12 | A♭ | 38.50″ | 1883 | John Taylor & Co |
| 28976 | Oaksey, Wiltshire, All Saints | 1 of 6 | 3–2–25 | E♯ | 26.13″ | 1773 | Thomas Rudhall |
| 28977 | Oaksey, Wiltshire, All Saints | 2 of 6 | 4–0–14 | D♯ | 27.63″ | 1773 | Thomas Rudhall |
| 28978 | Oaksey, Wiltshire, All Saints | 3 of 6 | 4–1–7 | C♯ | 29.00″ | 1773 | Thomas Rudhall |
| 28979 | Oaksey, Wiltshire, All Saints | 4 of 6 | 5–1–11 | B♯ | 30.00″ | 1960 | John Taylor & Co |
| 28980 | Oaksey, Wiltshire, All Saints | 5 of 6 | 7–1–7 | A♯ | 33.63″ | 1960 | John Taylor & Co |
| 28981 | Oaksey, Wiltshire, All Saints | 6 of 6 | 9–3–12 | G♯ | 37.00″ | 1960 | John Taylor & Co |
| 28982 | Oatlands Park, Surrey, S Mary | 1 of 8 | 3–3–17 | G | | 1911 | John Warner & Sons |
| 28983 | Oatlands Park, Surrey, S Mary | 2 of 8 | 4–0–20 | F♯ | | 1911 | John Warner & Sons |
| 28984 | Oatlands Park, Surrey, S Mary | 3 of 8 | 4–3–9 | E | | 1911 | John Warner & Sons |
| 28985 | Oatlands Park, Surrey, S Mary | 4 of 8 | 5–2–25 | D | | 1911 | John Warner & Sons |
| 28986 | Oatlands Park, Surrey, S Mary | 5 of 8 | 6–1–10 | C | | 1911 | John Warner & Sons |
| 28987 | Oatlands Park, Surrey, S Mary | 6 of 8 | 7–2–13 | B | | 1911 | John Warner & Sons |
| 28988 | Oatlands Park, Surrey, S Mary | 7 of 8 | 9–0–11 | A | | 1911 | John Warner & Sons |
| 28989 | Oatlands Park, Surrey, S Mary | 8 of 8 | 12–0–12 | G | | 1911 | John Warner & Sons |
| 28990 | Occold, Suffolk, S Michael | 1 of 5 | 4¼ cwt | E | 27.25″ | 1653 | John II Brend |
| 28991 | Occold, Suffolk, S Michael | 2 of 5 | 4½ cwt | D | 28.25″ | 1653 | John II Brend |
| 28992 | Occold, Suffolk, S Michael | 3 of 5 | 5½ cwt | C♯ | 31.00″ | 1698 | Charles Newman |
| 28993 | Occold, Suffolk, S Michael | 4 of 5 | 6¾ cwt | B | 33.00″ | 1824 | William Dobson |
| 28994 | Occold, Suffolk, S Michael | 5 of 5 | 8 cwt | A | 36.75″ | 1653 | John II Brend |
| 28995 | Ockbrook, Derbyshire, All Saints | 1 of 6 | 2–3–21 | F♯ | 23.50″ | 1926 | Mears & Stainbank |
| 28996 | Ockbrook, Derbyshire, All Saints | 2 of 6 | 2–3–26 | E | 25.13″ | 1926 | Mears & Stainbank |
| 28997 | Ockbrook, Derbyshire, All Saints | 3 of 6 | 3–2–22 | D | 27.06″ | 1926 | Mears & Stainbank |
| 28998 | Ockbrook, Derbyshire, All Saints | 4 of 6 | 3–2–25 | C♯ | 27.38″ | [1590–1620] | Henry II Oldfield |
| 28999 | Ockbrook, Derbyshire, All Saints | 5 of 6 | 4–1–20 | B | 30.00″ | 1664 | George I Oldfield |
| 29000 | Ockbrook, Derbyshire, All Saints | 6 of 6 | 5–1–26 | A | 33.00″ | 1653† | George I Oldfield |