The 1st and 2nd editions of the historic 25-inch Ordnance Survey maps, published in 1888 and 1905 respectively, depict a woollen mill at this location on the east bank of the Nant Iago stream. A leat 100 metres long brought water to a wheel on the north end of the building.
W J Crompton, RCAHMW, 14th October 2019.