Porthgwidden Clock House and Courtyard and Kitchen Garden Walls

Porthgwidden Clock House, along with its courtyard and kitchen garden walls, is a coach-house, stable block, and grooms house built around 1855, with slight extensions made in the 20th century. The structure is made of slatestone rubble, featuring brick arches, quoins, jambs, and granite sills. It has dry Delabole slate roofs with projecting eaves and verges, and a pyramidal roof over the coach-house topped with a clock.

The central coach-house is double-depth, flanked by stables to the north and a grooms cottage to the south, with an additional wing extending at a right angle to the front right. The two-storey coach-house has a rounded-headed coach opening on the left and an original transomed casement window on the right, both set in cambered arched openings. Other windows are also original and feature small panes. The first floor includes a central bay loading doorway with a ledged door and a dormered gable above. The clock has faces on the west and east sides, with slate-hung sides, a moulded wooden cornice, a ramped lead roof, and a bellcote topped with an open colonnade, cornice, dome, and weather vane.

The grooms cottage on the right has a lateral stone stack with brick corners. The interior has not been inspected. The west entrance to the courtyard features stone piers with plinths, brick corners, and pyramidal granite caps topped with ball finials. Flanking rubble walls have granite copings. The north entrance is through a round-headed arch with hipped slate coping, wide eaves, and exposed rafter ends. The adjoining kitchen garden walls to the east are also made of slatestone rubble and have similar copings.