No 21 is part of a short row of house frontages between Siloam Baptist Chapel and a service lane to right.

Mid C19 (after ca 1845) simple classical group of 2-storey, 3-window fronts, scribed render to Nos 21 and 22, and cement render to No 23. Rusticated quoins, end pilaster strips, cill band and plinths. 12-pane sash windows to 1st floor and 16-pane to ground floor; lugged architraves with keystones. Recessed entrance with lugged architraves and keystones to Nos 21 and 23. Modern shop front to No 22 with bracketed hood; panelled doors.

(Source: Cadw Listings database) S Garfi 10/10/06