Penrhyn-Dyfi

A tall house of pebbledashed and painted stone, with a slate roof. Three storeys, double pile plan of 3 window bays at the front, with a symmetrical S front about a central entrance. Six-panelled part-glazed panelled doors set within a Tuscan portico of sandstone. To either side, 4-light paned windows set in openings with cambered heads. Above, on both upper floors, 12-paned unhorned sash windows set deep in the openings. Modillion eaves cornice, returned a short distance on both gable ends to form, with the raking cornices, an open pediment on both gables. This has sash windows on all three floors either side of the part-external chimney stack. At the W end, a 2-storey service wing in line, and a continuous lean-to at the rear.

The front entrance leads to a quarry tiled narrow hallway with reception rooms each side and a dog-leg stair with balusters and turned newel at the end. Six-panelled doors.