Single storey workshops with walls of red brick and a pitched slate roof. The windows are tall and round headed with metal frames of 30 panes. 8 windows to the rear and 4 to the front with 3 sliding doors. Internally the buildings are partially subdivided.
(Source: Cadw listing description, 26.09.1994)
C.H.Nicholas, RCAHMW, 05/07/2004.