1780. 2-storey and basement 5-bay symmetrical classical mansion. William Sibbald added slightly recessed, symmetrical 3-bay single storey and basement wings, circa 1799. Polished, coursed sandstone ashlar to front elevation, with polished sandstone dressings; main block harled at sides, rubble to sides of wings. Band course between basement and ground floor; blind balustrade between basement and ground floor of wings; cornice and blocking course; quoins to main block; raised margins and block cills.
S (FRONT) ELEVATION: perron staircase to Doric doorpiece to centre at ground; doors to returns of staircase at each side at basement; window to each remaining bay at basement, wings included; doorpiece at ground comprises pair of columns (with narrow light between) supporting entablature and flanking panelled timber door with rectangular fanlight; window to bays at either side, main block; large window to each bay at ground floor of wings; window to each bay of main block at 2nd floor.
Predominantly 12-pane timber sash and case glazing (18-pane to ground floor of wings). Grey slate piended roof to main block and to wings; shouldered wallhead stacks to main block, adjoining transverse coped stacks to wings; tall cylindrical cans; cast-iron rainwater goods.
112-114 (EVEN NOS) CORSTORPHINE ROAD: 2-storey, 3-bay, near symmetrical, late 18th century house. Door to centre at ground, window flanking at each side, both floors; small window at ground to outer left; window to left at both floors of right (side) elevation; single storey lean-to porch to right. Timber sash and case windows. Grey slate roof; skews; coped ridge and gablehead stacks; moulded cylindrical cans; cast-iron rainwater goods.
BOUNDARY WALL: coped rubble wall.
SECTION OF GARDEN WALL AND OUT-BUILDING: corner section of ashlar-coped rubble wall with 2-storey piend-roofed out-building at intersection. Wall swept to ashlar-framed gateway with (later) wrought-iron gate. Grey slates, stone skews, timber-boarded door and small-pane glazed timber window to out-building.