10-12 Bon-Accord Street, Aberdeen

S Gavin Williamson, civil engineer and architect, with A G R Mackenzie, ARSA architect as consultant, 1936-37. Art Deco gagrage and showroom. Built on corner site, absorbing Archibald Simpson's original 2-storey Georgian frontage of circa 1823 onto Bon Accord Square. Polished granite ashlar; grey at 1823 facade and at central enttrance pavilion on E (Bon Accord Street); pink for other 1930's elevations. 2-storey; flat roofed with open roof deck, oblong metal windows with horizontal lying panes and top hoppers. Art Deco motifs in bronze. Reinforced concrete ramps within (along S wall) to upper floors.

W (BON ACCORD SQUARE) ELEVATION: E wall of original house sympathetically reused in new garage building; parapet and centre stack raised during 1936 rebuild by 7 masonry courses, but impression of symmetry of view E out of Bon Accord Square not greatly disturbed.

S ELEVATION: symmetrical; centre bay recessed between flanking bays with continuous strip windows, convex-curved at inner angles; centre bay with parapet rising above wallhead and tall vertical window recesed between receding planes. SE angle is square. E (BON ACCORD STREET) ELEVATION: central pavilion with banded streamlined parapet above adjoining wallheads; 3 slim vertical windows in recessed panels with bronze sheet-metal spandrel panels midway; Art Deco doorpiece of receding planes, with winged bronze motif above door; rectangular Art Deco clock and winged torch motif bearing insc: J. 1937 above. Wrought-iron openwork beacon raised on granite plinth at parapet. FLANKING BAYS: showrooms with single large windows at ground; oblong windows in recessed window band plane at 1st, 2 windows on left and right, 2 on bowed angle linking to S window.

N (LANGSTANE PLACE) ELEVATION: vehicular entrance and exit at ground at N elevation.

Plain 3-window W ELEVATION fronting car park; centre stack of adjoining house advanced to right.