Former service building to Ty Mawr (NPRN 16960); probably early C19; later converted into stables.

Squared and coursed slate stone slabs; slate roof. T-plan with 2-storey main range and short single-storey projection. Main range has gable to front with 2 louvered windows to left of stable-type door, all with slate lintels, small louvered opening to apex. Loer range (tack room) has plank door to left in angle with main range and small louvered window to right.

Internally are stable setts to the floor with a drain running the length of the main axis of the building. There is a collar beam roof in two bays and a blocked fireplace in the long wall..
(based on CADW listing description, S Fielding RCAHMW 11/05/2005)