Cow Byres and external stone stair at Plas yn Blaenau

Two adjoining 2-storey vernacular buildings, orientated N-S, built into a storey- height change of ground level. Cow byres entered on E side from yard level. Living accommodation on upper floor entered on W side from the higher garden level. Built of colourwashed local stone rubble with slobbered mortar. S gable partly built of brick. Gabled slate roof with clayware ridge. The S byre has a shallow outshot roof to the W and slating laid in diminishing courses. To the E, the S byre has a central entrance with shallow semi-eliptical stone arch, and a bipartite 2/2 pane sash window on the same axis to the upper level. N byre has an off-centred entrance with segmental arch and two symmetrically positioned casement windows above. Boarded door to upper floor from garden on W side. A flight of stone stairs rise from the yard to the garden level against the N gable wall.

Open rafter roof with through purlins and trusses with raking struts, similar to farmhouse. Domestic type fireplaces. Framed hardwood floor structure over byre.