The following text is from the original listed building designation:
1. 1449 HIGH STREET (South East Side)
28.8.51 No 35 (Town Hall House). - A Naval Cannon embedded in the wall of No 35. TR 0624 1/30
II GV
2. Dated 1750. Built as the Town Gaol, or Small-port, as it was called. Later the residence of the Caretaker of the adjoining Town Gaol. 2 storeys attics and basement painted brick, Tiled roof and 1 hipped dormer. Brick modillion eaves cornice, the bricks inserted diagonally with the points protruding. 2 casement windows with small square leaded panes. The westernmost windows on the ground floor and basement, which presumably communicated with the cells, still have iron grilles over them. Doorcase up 4 steps with a flat hood over and door of 6 fielded panels. Over the doorcase is a cartouche of the town arms, flanked by pilasters forming a frame with a cornice over, and below the name of the Mayor at the date of the erection of the building: Robert Langdon, 1750. Embedded in the left side of the wall is a late C18 or early C19 cast iron naval cannon.
Nos 27 to 43 (odd) form a group.
Listing NGR: TR0641724787

English Heritage, List of Buildings of Special Architectural or Historic Interest (Map). SKE16160.