Circa 1564. 4-storey and cap house, rectangular-plan tower house; 1761 wing adjoining with later 19th century wing; Scottish Baronial additions. Modernised by Rowand Anderson Paul and Partners, 1926, and Neil and Hurd, circa 1952. Coursed brown stone, ashlar surrounds. Corbelled parapet, enlarged windows.
NW (PRINCIPAL) ELEVATION: tower to left: blind wall, gun-loop to ground and 3rd floor, corbelled parapet, circular turnpike stair tower at NW corner (gun loop and small window near top) terminating in square cap house; 1761 wing: 2 ?-storey with later Baronial additions; timber door with glazed panel to left; single storey crowstepped gable entrance porch with inset Wauchope armorial panel above door, window to left return; projecting stone bipartite window above; stone dormer with finial breaking eaves. Round tower, corbelled, terminating in square crowstep gabled cap house in re-entrant angle; windows at each floor, window and gabled dormer to left return. Later 19th century addition: 1 ?-storey, irregular fenestration and distribution of gableheads and dormers; small gabled porch, door to right return; additional flat-roofed fuel store adjoining.
NE ELEVATION: blank wall, off centre window to ground and 1st floor left, gun loop to 3rd floor left; corbelled parapet connecting 2 watch-houses, crow-stepped gable, stone gablehead stack with flagpole.
SE (REAR) ELEVATION: 1564 tower to right: paired slit windows to ground floor; single windows to 1st and 3rd floor; paired windows to 2nd floor; gun loop to 3rd floor left; continuation of corbelled parapet above; crowstepped gable, stone gablehead stack, 2 cans; 3 single windows to left return. 1761 wing to left: 2?-storey, 4-bay regular fenestration; 2-leaf glazed door to ground floor right; later stone gabled dormers breaking eaves, stack at ridge between 1st and 2nd bay left; 3-storey single bay to left return, gablehead stack, no cans; rear adjoins 19th century wing.
SW ELEVATION: irregular sloping elevation; primarily 1 ? -storey: pair of windows with smaller window to left, 2 dormers breaking eaves almost above, small chimney to wallhead; modern piended single storey harled extension to ground floor centre; single window to right; slated mansard with bipartite window above right; further dormer to attic.
Enlarged windows: 2-pane, 4-pane, 9-pane and 12-pane timber sash and case. Later 19th century replacement piended slate roof, modern replacement cast-iron rainwater goods; parapet walkway drained by projecting stone spouts, one misaligned to avoid dripping in front of the Queen's Room.
INTERIOR: panelled timber shutters; ornate plaster cornices; inscribed beams in study; coved ceiling in drawing room; timber panelled Queen Mary's room; decorative tiled floor to hall and stone turnpike stair in circular tower.
WALLED GARDEN: random rubble wall with shaped stone copes forming rectangular garden and boundary to rear of the property.
STABLE RANGE (INCORPORATING GARDENER'S COTTAGE): L-shaped stable range: random rubble, timber stable doors; 8-pane timber sash and case windows; slate roof. Single storey, 3-bay cottage: coursed rubble, central door, 8-pane sash and case windows, skew gabled.