Bonaly Primary School Annexe, 2A Thorburn Road, Edinburgh

Robert Wilson, 1891, addition John A Carfrae 1912. Single-storey, irregular-plan cottage-style Board School with swept-roof, many bargeboarded gables, tall windows, and ridge-vents to roof. Snecked sandstone rubble with red sandstone ashlar dressings; roughcast to S elevation. Base course. Long and short quoins. Chamfered window and door openings. Decorative terracotta finials with ball-tops to gable apexes of 1891 building.

N (ENTRANCE) ELEVATION: 1891, symmetrical. Advanced, 3-bay gable to centre; tall, paired, central windows in pointed arch openings with plain roundels in tympania; relieving arch above; tall windows flanking. Advanced (flush with gable), 3-bay sections flanking gable; swept roofs; small gables with king-posted bargeboards to inner bays over timber boarded doors in shouldered, stop-chamfered surrounds; bipartite and single windows to outer bays; battered stacks above. Recessed section to outer bays with tall, gabled, bipartite window, breaking eaves.

E (ROAD) ELEVATION: advanced 2-window gable of original building to outer right. 1912 building to left. 3-bay gable to centre with tall central bipartite window below relieving arch; tall flanking windows. Flat-roofed link building to right; 2-leaf timber panelled door in roll-moulded architrave and bipartite window. Single bay to outer left.

W (SIDE) ELEVATION: recessed 3-bay 1912 gable to right; tall, central bipartite window below relieving-arch; flanking tall windows. 2-gabled 1891 building advanced to left; king-posted, gabled, transomed and mullioned bipartite window with pointed-arched lights, breaking eaves to centre; 2-window gable to outer left.

S (REAR) ELEVATION: 1912. Stepped composition of 3 sections. 3-bay gable to centre with central bipartite and flanking windows; blind gable advanced to right with gablehead stack; long bay recessed to left with single-window.

Predominantly 12- and 18-pane glazing in timber sash and case windows. Coped stacks with red and yellow clay cans. Deep bracketed eaves; decorative bargeboards to 1891 building, plain bargeboards to 1912 addition. Graded grey slate with red terracotta ridge tiles.

INTERIOR: large central hall with arched trusses, roof lights, and removeable glazed screen to adjacent classroom.

OUTBUILDINGS AND BOUNDARY WALL: small rubble outbuilding to S (former lavatory) with pitched leaded roof and 4 timber boarded doors. Coped random rubble boundary wall.