Mill. late C18 and C19. Dressed coursed rubble. Hipped pantile roofs. 3 storeys, 3 bay north wing, the top floor being a lter addition and later 2 storey, 4 bay south wing. Having from left to right 2 doorways , a single window opening, a single arch with water wheel in situ, a single window opening. Above are 3 window openings, a doorway and a single window opening. On the top floor are 2 window openings. All oopenings have flush ashlar surrounds. There are 2 tie plates on the ground floor and 2 on the first floor. Interior has machinery in situ for driving 3 pairs of stones and is inscribed "John Thornton Millwright Engineer & C Workshop". Includes the pit wheel, gears, spur wheel and stone nuts with wooden teeth. There is also a chute. (NCC/js)