College

Coursed slate rubble with ashlar quoins and steep-pitched slate roofs, Tudor style. T-plan with ashlar entrance tower in angle, the W cross-wing being a high single-storey court-room, the S facing range being domestic, of one and a half storeys. W and S roof-pitches have decorative banding and lozenges in cut slates, and the gables have moulded slate corbels and ridged slate coping. Two-large ashlar stacks on S-facing range, one on ridge behind court-room, one on E end.

Courtroom has ashlar plinth and on W side two re-used C17 3-light mullion and transom windows with recessed chamfered mouldings, but apparently reset upside down. C19 window heads and hoodmoulds. Above, two large coped and shouldered gables with narrow ashlar loops. Plain N end wall. S end has C19 timber mullion and transom window with cambered stone head and hoodmould. Blank plaque above. Straight joint and no quoins at SE angle, against entry tower. Tower has similar plinth, chamfered Tudor-arched doorway with plank door and Tudor-arched hoodmould. Diagonal two-step buttress at SE angle and flat parapet with angled coping. Above door are three plaques, '1626' and '1852' and 'Llys-du Arglwydd Cemmaes'. E face has small lower light and incised cross above.

Domestic wing has one timber cross-window and eaves-breaking 4-pane sash in stone gable, both windows ashlar-framed with slate sills. E end plank door in timber porch. Rear C20 small addition to left and one-window range to right, breaking eaves.

All C19, the courtroom with high scissor-rafter roof and E wall fireplace with sloping corbelled stone hood. Domestic wing has large E end fireplace with ashlar S pier. 2 rooms each floor and single flight stair on rear wall.