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# | Tower | Bell | Weight | Note | Diameter | Cast | Founder |
| 1 | Albury, Hertfordshire, S Mary | 6 of 6 | 13–2–25 | F | 44.19″ | 1607 | Robert Oldfield |
| 2 | Aldbury, Hertfordshire, S John Bapt | 4 of 6 | 4–0–4 | D | 27.38″ | 1634 | Robert Oldfield |
| 3 | Anstey, Hertfordshire, S George | 3 of 6 | 5½ cwt | C | 30.50″ | 1616 | Robert Oldfield |
| 4 | Anstey, Hertfordshire, S George | 4 of 6 | 6¾ cwt | B | 33.50″ | 1616 | Robert Oldfield |
| 5 | Ardeley, Hertfordshire, S Lawrence | 5 of 6 | 7 cwt | B♭ | 32.63″ | 1613 | Robert Oldfield |
| 6 | Broxbourne, Hertfordshire, S Augustine | 4 of 8 | 7 cwt | B♭ | 34.12″ | 1615 | Robert Oldfield |
| 7 | Broxbourne, Hertfordshire, S Augustine | 5 of 8 | 8½ cwt | A♭ | 36.12″ | 1615 | Robert Oldfield |
| 8 | Broxbourne, Hertfordshire, S Augustine | 7 of 8 | 14¼ cwt | F | 43.37″ | 1615 | Robert Oldfield |
| 9 | Caldecote, Hertfordshire, S Mary Magd | 1 of 1 | 6½ cwt | A | 32.63″ | 1630 | Robert Oldfield |
| 10 | Drayton Beauchamp, Buckinghamshire, S Mary V | 1 of 3 | 6 cwt | B | 31.50″ | 1621† | ? Robert Oldfield |
| 11 | Epping Upland, Essex, All Saints | 6 of 6 | 12 cwt | G | 38.75″ | 1611 | Robert Oldfield |
| 12 | Gilston, Hertfordshire, S Mary | 2 of 2 | 5 cwt | C | 29.38″ | 1628 | Robert Oldfield |
| 13 | Great Amwell, Hertfordshire, S John Bapt | 4 of 6 | 4–3–4 | D | 28.63″ | 1612 | Robert Oldfield |
| 14 | Great Dunmow, Essex, S Mary V | 7 of 8 | 14–0–14 | F♯ | 44.38″ | 1613† | Robert Oldfield |
| 15 | Great Munden, Hertfordshire, S Nicholas | 2 of 6 | 3–3–1 | D♯ | 26.50″ | 1621 | Robert Oldfield |
| 16 | Great Munden, Hertfordshire, S Nicholas | 3 of 6 | 4–0–27 | C♯ | 28.56″ | 1621 | Robert Oldfield |
| 17 | Great Munden, Hertfordshire, S Nicholas | 4 of 6 | 5–3–12 | B♯ | 31.32″ | 1621 | Robert Oldfield |
| 18 | Great Munden, Hertfordshire, S Nicholas | 5 of 6 | 7–1–14 | A♯ | 34.12″ | 1621 | Robert Oldfield |
| 19 | Great Parndon, Essex, S Mary | 6 of 6 | 9–1–0 | G | 38.50″ | 1613 | Robert Oldfield |
| 20 | Hemel Hempstead, Hertfordshire, S Mary | 4 of 8 | 7–0–13 | B | 33.50″ | 1633 | Robert Oldfield |
| 21 | Hemel Hempstead, Hertfordshire, S Mary | 7 of 8 | 12–0–3 | F♯ | 41.00″ | 1617† | Robert Oldfield |
| 22 | Hunsdon, Hertfordshire, S Dunstan | 4 of 8 | 6–0–19 | C | 31.00″ | 1630 | Robert Oldfield |
| 23 | Kimpton, Hertfordshire, S Peter & S Paul | 3 of 8 | 4–1–5 | E | 28.00″ | 1636 | Robert Oldfield |
| 24 | Kimpton, Hertfordshire, S Peter & S Paul | 5 of 8 | 5–1–18 | C | 31.50″ | 1636 | Robert Oldfield |
| 25 | Kimpton, Hertfordshire, S Peter & S Paul | 8 of 8 | 10–2–15 | G | 40.00″ | 1638 | Robert Oldfield |
| 26 | Little Hadham, Hertfordshire, S Cecilia | 5 of 6 | 8–0–20 | A♯ | 36.00″ | 1623 | Robert Oldfield |
| 27 | Matching, Essex, S Mary | 4 of 6 | 5–2–13 | B | 31.00″ | 1615 | Robert Oldfield |
| 28 | Matching, Essex, S Mary | 6 of 6 | 7–3–5 | G | 37.00″ | 1640† | Robert Oldfield |
| 29 | Melbourn, Cambridgeshire, All Saints | 4 of 8 | 6–2–12 | B | 32.25″ | 1615 | Robert Oldfield |
| 30 | Melbourn, Cambridgeshire, All Saints | 5 of 8 | 7–1–17 | A | 35.25″ | 1615 | Robert Oldfield |
| 31 | Melbourn, Cambridgeshire, All Saints | 6 of 8 | 9–1–15 | G♯ | 37.50″ | 1616 | Robert Oldfield |
| 32 | Offley, Hertfordshire, S Mary Magd | 1 of 6 | 5–3–7 | D | 30.25″ | 1632 | Robert Oldfield |
| 33 | Pirton, Hertfordshire, S Mary | 5 of 5 | 10–3–26 | G | 39.25″ | 1634 | Robert Oldfield |
| 34 | Radwinter, Essex, S Mary V | 4 of 8 | 4–3–26 | C | 30.00″ | 1616 | Robert Oldfield |
| 35 | Radwinter, Essex, S Mary V | 5 of 8 | 5–3–6 | B♭ | 32.50″ | 1629 | Robert Oldfield |
| 36 | Radwinter, Essex, S Mary V | 7 of 8 | 9–1–26 | G | 38.50″ | 1616 | Robert Oldfield |
| 37 | Shillington, Bedfordshire, All Saints | 2 of 5 | 7–1–24 | A♭ | 35.25″ | 1638 | Robert Oldfield |
| 38 | Takeley, Essex, Holy Trinity | 4 of 4 | 13 cwt | F♯ | 41.00″ | 1608 | Robert Oldfield |
| 39 | Thorley, Hertfordshire, S James Gt | 6 of 6 | 8–2–1 | A | 36.50″ | 1628 | Robert Oldfield |
| 40 | Thundridge, Hertfordshire, S Mary | 2 of 4 | 4¾ cwt | D♭ | 28.83″ | 1623 | Robert Oldfield |
| 41 | Thundridge, Hertfordshire, S Mary | 3 of 4 | 6 cwt | C | 31.13″ | 1631 | Robert Oldfield |
| 42 | Tring, Hertfordshire, S Peter & S Paul | 5 of 8 | 9–1–20 | G♭ | 39.63″ | 1622† | Robert Oldfield |
| 43 | Tring, Hertfordshire, S Peter & S Paul | 6 of 8 | 11–1–21 | F | 41.75″ | 1624† | Robert Oldfield |
| 44 | Tring, Hertfordshire, S Peter & S Paul | 7 of 8 | 14–0–27 | E♭ | 45.81″ | 1624† | Robert Oldfield |
| 45 | White Roding, Essex, S Martin | 4 of 5 | 8¼ cwt | A | 36.00″ | 1614 | Robert Oldfield |
| 46 | White Roding, Essex, S Martin | 5 of 5 | 11 cwt | G | 39.50″ | 1614 | Robert Oldfield |
| 47 | Widford, Hertfordshire, S John Bapt | 4 of 6 | 5–0–23 | C | 30.00″ | c1612 | Robert Oldfield |
| 48 | Widford, Hertfordshire, S John Bapt | 6 of 6 | 7–0–25 | A♭ | 34.50″ | 1624 | Robert Oldfield |