John Archibald Campbell, dated 1888. Single storey and 2-storey over raised basement; L-plan block of keep and hall with link wall and courtyard. Scots Baronial main block; Arts and Crafts rear wings. Bull-faced pink sandstone, red sandstone ashlar margins and dressings. Corbelled balustrade.
S (GILMOUR ST) ELEVATION KEEP: 2-storey, 2-bay, square-plan keep to right. Steps and platt to main door, decorative cast-iron railings, tall cast-iron lamp standards. Scroll pedimented door surround with raised segmental-headed armorial plaque, boarded and studded door, inscribed frieze. Tripartite window to right, relieving arch above, tripartite window at basement. 2 windows symmetrically disposed at 1st floor, large terracotta plaque at centre, balustrade, bartizans. Advanced chimney breast to outer right at right return, large transomed and mullioned stair window; terracotta plaque at left; corbelled 3-stage, round tower at left return. 3-bay symmetrical range to left, open segmental-headed dormerheads. Gable, balustraded canted bay, window; aediculed window, segmental pediment, dated 1888; broad stack at apex with blind niche at centre.
W (SMOLLETT ST) ELEVATION: 3 bays symmetrically disposed. Blind tripartite basement windows; 3 segmental-headed window at principal floor; 3, large pedimented, transomed and mullioned windows at upper stage, thistle finial.
Leaded multipaned windows; 20-pane over 2-pane sash and case windows. ashlar coping to skews; green slates; replacement concrete tiles. Coped niched apex stacks.
INTERIOR: entrance hall, corridor and large hall have painted panels by Harrington Mann, depicting women?s work and episodes from 18th century songs. Large hall with hammerbeam ceiling, passage gallery; 2 ashlar 16th century-style chimneypieces, one almost full-height, smaller with painted panel.