|
# | Tower | Bell | Weight | Note | Diameter | Cast | Founder |
| 30101 | Otterford, Somerset, S Leonard | 3 of 4 | 8 cwt | A | 36.50″ | c1499† | Exeter foundry |
| 30102 | Otterford, Somerset, S Leonard | 4 of 4 | 11 cwt | G | 40.25″ | c1499† | Exeter foundry |
| 30103 | Otterham, Cornwall, S Denis | 1 of 6 | 2–3–14 | F♯ | 24.00″ | 1894 | John Warner & Sons |
| 30104 | Otterham, Cornwall, S Denis | 2 of 6 | 3–2–7 | E | 25.88″ | 1894 | John Warner & Sons |
| 30105 | Otterham, Cornwall, S Denis | 3 of 6 | 3–2–7 | D | 27.25″ | c1499† | Exeter foundry |
| 30106 | Otterham, Cornwall, S Denis | 4 of 6 | 4–2–2 | C♯ | 29.75″ | c1699† | (unidentified) |
| 30107 | Otterham, Cornwall, S Denis | 5 of 6 | 6–0–11 | B | 32.63″ | c1499† | Exeter foundry |
| 30108 | Otterham, Cornwall, S Denis | 6 of 6 | 7–0–0 | A | 35.00″ | 1892 | Mears & Stainbank |
| 30109 | Otterhampton, Somerset, All Saints | 1 of 4 | 4–0–19 | D | 27.75″ | c1350† | Bristol foundry |
| 30110 | Otterhampton, Somerset, All Saints | 2 of 4 | 5–1–23 | C♯ | 29.00″ | 1647 | William III Purdue |
| 30111 | Otterhampton, Somerset, All Saints | 3 of 4 | 4–3–25 | B | 31.00″ | 1737 | Thomas II Wroth |
| 30112 | Otterhampton, Somerset, All Saints | 4 of 4 | 7–3–2 | A | 35.13″ | 1926 | Mears & Stainbank |
| 30113 | Ottershaw, Surrey, Christ Church | 1 of 6 | 5–2–14 | D | 29.50″ | 1885 | John Taylor & Co |
| 30114 | Ottershaw, Surrey, Christ Church | 2 of 6 | 6–2–14 | C | 31.25″ | 1885 | John Taylor & Co |
| 30115 | Ottershaw, Surrey, Christ Church | 3 of 6 | 7–3–7 | B♭ | 33.88″ | 1885 | John Taylor & Co |
| 30116 | Ottershaw, Surrey, Christ Church | 4 of 6 | 8–2–14 | A | 35.63″ | 1885 | John Taylor & Co |
| 30117 | Ottershaw, Surrey, Christ Church | 5 of 6 | 10–3–18 | G | 39.25″ | 1885 | John Taylor & Co |
| 30118 | Ottershaw, Surrey, Christ Church | 6 of 6 | 16–1–14 | F | 44.50″ | 1885 | John Taylor & Co |
| 30119 | Otterton, Devon, S Michael | 1 of 6 | 5–0–6 | D♯ | 28.00″ | 1890 | John Taylor & Co |
| 30120 | Otterton, Devon, S Michael | 2 of 6 | 5–0–22 | C♯ | 30.00″ | 1824 | William Pannell |
| 30121 | Otterton, Devon, S Michael | 3 of 6 | | B | 31.00″ | 1777 | Thomas II Bilbie |
| 30122 | Otterton, Devon, S Michael | 4 of 6 | | A♯ | 32.50″ | 1777 | Thomas II Bilbie |
| 30123 | Otterton, Devon, S Michael | 5 of 6 | | G♯ | 35.50″ | 1777 | Thomas II Bilbie |
| 30124 | Otterton, Devon, S Michael | 6 of 6 | 12–0–4 | F♯ | 41.50″ | 1846 | Charles & George Mears |
| 30125 | Ottery St Mary, Devon, S Mary V | 1 of 8 | 4–2–20 | E | 27.63″ | 1949 | John Taylor & Co |
| 30126 | Ottery St Mary, Devon, S Mary V | 2 of 8 | 5–0–2 | D♯ | 28.38″ | 1949 | John Taylor & Co |
| 30127 | Ottery St Mary, Devon, S Mary V | 3 of 8 | 5–1–18 | C♯ | 29.88″ | 1949 | John Taylor & Co |
| 30128 | Ottery St Mary, Devon, S Mary V | 4 of 8 | 6–1–5 | B | 32.00″ | 1949 | John Taylor & Co |
| 30129 | Ottery St Mary, Devon, S Mary V | 5 of 8 | 7–3–20 | A | 34.88″ | 1949 | John Taylor & Co |
| 30130 | Ottery St Mary, Devon, S Mary V | 6 of 8 | 9–2–17 | G♯ | 37.38″ | 1949 | John Taylor & Co |
| 30131 | Ottery St Mary, Devon, S Mary V | 7 of 8 | 13–1–4 | F♯ | 41.50″ | 1949 | John Taylor & Co |
| 30132 | Ottery St Mary, Devon, S Mary V | 8 of 8 | 18–2–14 | E | 46.38″ | 1949 | John Taylor & Co |
| 30133 | Ottringham, East Riding of Yorkshire, S Wilfrid | 1 of 3 | 5½ cwt | C | 31.75″ | 1699 | Samuel I Smith |
| 30134 | Ottringham, East Riding of Yorkshire, S Wilfrid | 2 of 3 | 8 cwt | B♭ | 35.75″ | 1699 | Samuel I Smith |
| 30135 | Ottringham, East Riding of Yorkshire, S Wilfrid | 3 of 3 | 9¾ cwt | A♭ | 38.50″ | 1699 | Samuel I Smith |
| 30136 | Oulton, Suffolk, S Michael | 1 of 6 | 4–0–4 | E | 26.38″ | 1990 | John Taylor Bellfounders Ltd |
| 30137 | Oulton, Suffolk, S Michael | 2 of 6 | 4–0–25 | D | 28.13″ | 1676 | Edward Tooke |
| 30138 | Oulton, Suffolk, S Michael | 3 of 6 | 5–0–8 | C | 31.13″ | 1677 | Edward Tooke |
| 30139 | Oulton, Suffolk, S Michael | 4 of 6 | 6–1–10 | B | 33.25″ | 1618 | William & Alice Brend |
| 30140 | Oulton, Suffolk, S Michael | 5 of 6 | 8–1–1 | A | 36.50″ | 1618 | William & Alice Brend |
| 30141 | Oulton, Suffolk, S Michael | 6 of 6 | 10–3–0 | G | 39.63″ | 1618 | William & Alice Brend |
| 30142 | Oundle, Northamptonshire, S Peter | 1 of 8 | 7–2–8 | D♭ | 32.75″ | 1868 | Mears & Stainbank |
| 30143 | Oundle, Northamptonshire, S Peter | 2 of 8 | 7–3–26 | C | 33.25″ | 1868 | Mears & Stainbank |
| 30144 | Oundle, Northamptonshire, S Peter | 3 of 8 | 9–1–20 | B♭ | 35.63″ | 1868 | Mears & Stainbank |
| 30145 | Oundle, Northamptonshire, S Peter | 4 of 8 | 11–0–16 | A♭ | 38.63″ | 1735 | Thomas I Eayre |
| 30146 | Oundle, Northamptonshire, S Peter | 5 of 8 | 12–0–2 | G♭ | 40.38″ | 1742 | Thomas I Eayre |
| 30147 | Oundle, Northamptonshire, S Peter | 6 of 8 | 16–2–14 | F | 45.38″ | 1763 | Joseph Eayre |
| 30148 | Oundle, Northamptonshire, S Peter | 7 of 8 | 19–1–14 | E♭ | 48.38″ | 1801 | Thomas Osborn |
| 30149 | Oundle, Northamptonshire, S Peter | 8 of 8 | 25–1–11 | D♭ | 53.25″ | 1868 | Mears & Stainbank |
| 30150 | Ousden, Suffolk, S Peter | 1 of 5 | 6–1–0 | C♯ | 31.94″ | 1758 | Lester & Pack |