Olrig, 10 Hillhead, Bonnyrigg

Early 20th century. 2-storey, 3-bay asymmetrical L-plan Arts and Crafts house. Harled with polished cream sandstone ashlar dressings. Cill course to ground floor windows; eaves course. Long and short surrounds to openings; long and short quoins. 3-bay rectangular-plan harled, gabled garage to E of main house.

NE (PRINCIPAL) ELEVATION: roll-moulded architraved doorway with plain frieze and cornice, continuous over flanking window at ground in bay to centre; timber panelled door with small-pane fanlight; box dormer window above. Bipartite window at ground in bay to right; piended bipartite dormer window above. 3-light bay window with parapet above at ground in gabled bay to left; single window at 1st floor above.

SW (REAR) ELEVATION: irregular 6-bay, grouped 4-2, with gabled block to left (rear of long arm of L) and 2-bay block set back to right (short arm of L). 4-bay block: window at ground to right of centre. Window at ground in bay to right. Window at ground in bay to left; non-aligned window at 1st floor above. Window at ground in bay to outer left. 2-bay block to right: small-pane glazed door at ground set to left of centre; tall, shouldered wallhead stack above. Narrow window set close to internal angle to left; box dormer window above.

NW (SIDE) ELEVATION: irregular 2-bay. window at ground in bay to left of centre; non-aligned window with semi-circular pediment at 1st floor above. 3-light bowed bay at ground in bay to outer left; box dormer, abutting adjacent window at 2nd floor above. Tall, shouldered wallhead stack above blank wall to centre.

SE (SIDE) ELEVATION: irregular 4-bay (long arm of L). Bipartite window at ground in bay to right of centre; box dormer above. Part-glazed, timber panelled door with rectangular fanlight at ground in bay to outer right. Window, set to left of curved, crenellated half-height wall at ground in bay to left of centre; bipartite window, set behind at 1st floor above. Window at ground in bay to left.

Predominantly 12-pane timber sash and case windows. Grey slate roof with red clay ridge and ball finials; slate to main piended dormer; felt covering to flat-roofed dormers; harled coped stacks; ashlar coped skews; cast-iron rainwater goods.

INTERIOR: architraved timber panelled doors, skirting boards; dentilled cornice to dining room; dentilled and bead and reel cornice to sitting room with dentilled and shouldered fire surround; stripped dentilled and shouldered fire surround in main hall.

GATEPIERS AND BOUNDARY WALLS: stop-chamfered, sandstone ashlar square- plan piers with cornice and square cap. Sandstone rubble walls with shaped rubble and curved stugged ashlar cope.