It was built in around 1300 by the Augustinian canons of the adjacent Priory of the Holy Trinity to cater for the increasing population.

[1] The building and much of the congregation was located just outside the ramparts to the north of medieval Ipswich.

However this was deflated to the current ISO 16 Stuttgart pitch when the organ was cleaned and repaired in 2012–3.

[3] The Simeon Trustees have held the patronage of St Margaret's for a number of years.

[6] The following people were incumbents of St Margarets since the abolition of the Priory of the Holy Trinity until 1994.