The Parish is spelt in a variety of ways in
ancient records - Balderswella,
Baldeswell, Badswell, Bawsewella. The
prefix may be the old Norse 'Baldr' a personal name. Bawd and Baldr are
the same, meaning 'bold', and Baldr is the name of a god in Northern
mythology.
The Anglo-Saxon Balder means a Prince and so the
name may just mean 'Prince's spring', as 'well' can mean 'spring'.
The village is mentioned in the Norwich Domesday
Book around 1286.