31 And 33, Castle Street

This is a pair of offices built in the early 19th century, with later alterations. The front of the building is limestone ashlar, with reconstituted stone above the ground floor, and coursed squared limestone to the rear. Modern single-storey extensions are present in render and reconstituted stone, with concrete tile roofs, including hipped roofs to the rear. There are two ashlar stacks with three 19th-century clay pots each.

The building has a central through-passage leading to the rear. The front range is three stories and five windows wide. The first floor has three 6/6-pane sash windows to the left and centre, and two early 20th-century oriel windows with four panes to the front; the upper lights of the oriels are top-hung with coloured glass. The second floor mirrors the first with five 3/3-pane sash windows. The ground floor has a 20th-century timber shopfront on the left, possibly with 19th-century origins, featuring a projecting frieze with guttae over pilaster strips. On the right is a matching early 20th-century shopfront with 3- and 5-light windows and a sliding sash below, with metal ventilation grilles above. A blocked doorway is present to the right, and a glazed door with overlight is to the centre right, with panelled pilasters, console brackets, a frieze and a moulded cornice, extended around the base of the oriel windows. A six-panel door at the centre of the ground floor has a round-headed overlight within a moulded stone doorcase, featuring Doric pilasters, a frieze and an open pediment. A band course is visible over the ground floor, surviving only in the centre above the door. The upper part of the second floor has been rebuilt in reconstituted stone. Rear windows are modern.

The interior of No.31 contains an early 19th-century stick-baluster winder staircase with shaped cheek-pieces. The first floor landing has late 18th/early 19th-century six-panel doors. The first floor centre room has a moulded architrave and panelled shutters to the windows, but no fireplace. The second floor front rooms on both the left and right have no fireplaces. An internal inspection of No.33 was not possible.