Bonnington Mains

18th century with early 19th century additions. Irregular group of 3 farm buildings forming courtyard: 2-storey, L-plan, threshing barn with hayloft and semi-octagonal horsemill to NW; single-storey, rectangular-plan bothy and stable range to NE; 2-storey, 5-bay, rectangular-plan farmhouse to SE presenting gable to courtyard. Rubble with droved ashlar sandstone dressings to threshing barn, horsemill and steading; farmhouse harled. Pointed arch windows to S gables of barn and stable range; ashlar window margins throughout. Mainly gabled roofs with piended roof to S wing of barn.

THRESHING BARN WITH HORSEMILL: asymmetrically placed door openings to N leg, the one to right with sliding door, with slit window above and square window opening at far right to SE elevation. Open facade with iron columns as implement shed to SW elevation. Opening with 2-leaf timber-boarded door to E gable. Semi-octagonal horse mill projecting to NW with ridge ventilator, rooflights and large opening to E side.

STABLE AND BOTHY RANGE : 7 bays, stable to left, central vehicle shed with sliding door; bothy to right with timber-boarded doors.

INTERIOR: stables with original stalls. Fireplace opening in bothy.

FARMHOUSE: originally two dwellings. Fairly regular fenestration and two projecting porches to SW (front) elevation. Irregular fenestration to rear. Coped gablehead stacks with clay cans.

Some small-pane glazing to steading. Predominantly non-traditional uPVC windows to farmhouse. Ashlar-coped skews to barn and house; squared rubble skews to stable range. Grey slates with zinc ridges.