The south elevation featured a stone staircase leading up to a first-floor doorway with a keystone and a hood mould.

[4] In 1817, alterations were carried out to a design by William Porter:[5] these included the infilling of the south bay to create accommodation for a horse-drawn fire engine and the removal of an extra floor on the east side of the building.

[1] The feoffees continued to administer the town from the assembly room until Tetbury Urban District Council was formed in 1894.

[7][8] The assembly room was subsequently used as a classroom for the teaching of technical subjects[9] and ground floor continued to be used as the venue for markets on Wednesdays.

[11] The Prince of Wales and Duchess of Cornwall stood outside the market hall to turn on the Christmas lights in December 2012.