Ceulan Mills

Rubble stone with slate roof. Two-storey, seven-window range, windows with thin slate sills, brick heads and simple vertical glazing bars to fixed-lights, 3-light and some 4-light. E front has door with 8-pane overlight in left bay and altered opening with timber lintel in fourth bay. S end wall has exceptionally large (7.7 m diameter) iron breastshot waterwheel, the iron hub marked 'J. Edgar, Dublin', the iron rim 'Griffith Ellis & Co 1891 Aberystwyth'. Two first floor windows and one apex window.

Rear has seven bays, outside steps to first floor right door. Door in ground floor third bay from left. N end has late C19 or early C20 cast-iron Pelton wheel, worked from underground leat. First floor windows above.

Interior not inspected, said to have complete surviving late C19 or early C20 machinery, carding engines, looms warping frame etc on ground floor, two spinning mules on first floor.