9, Castle Street

9 Castle Street is an 18th-century double pile house that was altered in the 19th century. It features painted brickwork and wide coved eaves. The building has a tied roof with a later hipped gable added at the front. It stands two storeys high and has two early 19th-century casement windows with glazing bars. There is an arched carriageway entrance to the rear under the western end of the building, and an advanced shop front beneath a tiled roof.

This property is part of a group that includes Nos 1 to 11 (odd), the Castle, the signboard of the King's Arms Hotel, the Constable's House, and the Town Bridge, along with Nos 4 to 6 (even), 6A, 8 to 12 (even), 12A, 14 to 18 (even), and the King's Arms Hotel opposite Nos 10, 12, and 12A, contributing to the historical character of the area.