| Date | Type | Details |
|---|---|---|
| Sat 16 May 1936 | First peal on towerbells | 5024 Cassiobury Surprise Major by the Hertford County Association at St Mary, Watford, Hertfordshire, conducted by Harold G Cashmore |
| Tue 15 Feb 1983 | First peal on handbells | Cassiobury Surprise Major by the Essex Association at Danbury, Essex |
| Wed 27 May 2020 | First inclusion in a quarter peal on keyboards | 1504 Spliced Surprise Major (23m) at Bosham & Portsmouth, Ringing Room, West Sussex & Hampshire, conducted by Benjamin J Carey |