E Farmyard Range including water-wheel at Nant Farm

Linear group of single-storey farm buildings, attached to service range at S end of farmhouse. Granite rubble stone with slate roofs. Part of an L-plan layout with stable, mill-room and wheel-pit, and barn in this W-facing range in line with house. The attached N-facing cow-house and cart shed listed separately. Granite rubble walls, and slated gabled roofs with shallow eaves. Stable has window, door and window under eaves, the windows with the typical Glynllifon Estate slatted or boarded lower half and small-paned upper half. To centre of range is low door to mill-room. Barn to right has tall boarded door in centre and 2 loops to right. Mill tail-race is culverted under farmyard.

Barn has threshing floor with stone flags to each side, and two rear doors, one leads to mill room. 3-bay roof with some replaced timbers. Boarded door to wheel pit with race channelled from mill pond at rear. Overshot water wheel with timber buckets and wheel-pit, located in cross-passage. Stables have boxes for three horses with fittings and cobbled floor. Boarded partition with mill room and connecting door. Stone flagged floor and loft over. Water wheel machinery with two toothed wheels and gear lever. Gorse mill removed. The wheel also drives a shaft that projects through the barn wall and along its full length with pulleys driving threshing and winnowing machines, controlled by a lower wheel.