house — Mount Street Upper

Attached two-bay four-storey former house over basement, built c. 1820 as one of terrace of four (Nos. 15-18), having two-storey return to west end of rear. Now in use as offices. M-profile pitched slate roof, hipped to west end of rear span, behind brick parapet with granite coping and parapet gutters. Shouldered red brick chimneystacks to east party wall with rendered base and replacement terracotta pots. Shared cast-iron downpipe. Flemish bond brown brick walling on painted granite plinth course over painted ruled-and-lined rendered basement walling. Square-headed window openings, diminishing in height to upper floors, with granite sills and painted rendered reveals. Timber sliding sash windows, one-over-one pane to ground and first floors with ogee horns, two-over-two pane to second floor and three-over-three pane to top floor with simple horns, and ten-over-ten pane to basement without horns. Wrought-iron grille to basement window, decorative cast-iron balconettes to first floor, iron window-guards to second floor. Rear elevation has apparently timber sash windows, four-over-four pane to top floor and eight-over-eight pane below to east bay and round-headed six-over-six pane window to west bay. Round-headed stone doorcase having moulded surround, Ionic columns, entablature with panelled frieze and moulded cornice, plain fanlight and eleven-panel timber door with brass and bronze furniture. Granite entrance platform with cast-iron boot-scrape and five bull-nosed granite steps. Decorative spear-headed cast-iron railings on moulded granite plinth enclosing basement area, with cast-iron gate. Replacement door and window beneath entrance platform, accessed via mild-steel steps. Garden to much of rear plot, with recent two-storey building and yard to rear of plot.