The majority of scenes were filmed in Clifton, Bristol.
The murder-mystery comedy series will return for a fourth series. Four more feature length stories have been ordered, however filming on the fourth series is on hiatus due to the Coronavirus pandemic.
Biddestone in Wiltshire is the village with the large duck pond.
Huge changes have been made from the books: Mrs Bloxby is an aging vicar's wife and Alf her husband a moaning old grumbler.
Agatha Raisin's housekeeper in the books is an older married woman named Doris Simpson.