house — Mount Street Upper

Attached two-bay four-storey former house over basement, built c. 1825 as one of pair with No. 20, having two-storey return to west end of rear. Now in commercial office use. M-profile pitched slate roof, hipped to west end of front span, behind parapet with granite coping and parapet gutters. Brick chimneystack to party wall. Shared cast-iron downpipe and hopper. Brown brick walling laid in Flemish bond on granite plinth course over painted ruled-and-lined rendered basement walling. Square-headed window openings, diminishing in height to upper floors, with masonry sills, patent reveals and brick voussoirs. Timber sliding sash windows with ogee horns, one-over-one pane to ground floor, four-over-four pane to basement and six-over-six pane elsewhere. Decorative cast-iron balconettes to first floor, wrought-iron window-guards to second and top floors, and wrought-iron grille to basement. Rear elevation has apparently mainly six-over-six pane timber sash windows. Elliptical-headed doorway with painted masonry doorcase having moulded surround, engaged columns with Scamozzian capitals supporting entablature with panelled frieze, and peacock's tail fanlight and replacement eleven-panel timber door with brass furniture. Granite entrance platform with cast-iron boot-scrape, accessed by five granite steps. Spear-headed cast-iron railings on moulded granite plinth enclosing basement area, with cast-iron gate. Mild-steel steps to basement and recent square-headed door and window beneath entrance platform. Recent two-storey apartment building to rear of plot of Nos. 19-21.