Electricity Supply Board — Mount Street Upper

Terraced three-bay four-storey former house over basement, built c. 1810 as one of terrace of five, having full-height glazed extension of c. 1980 to rear (shared with adjoining buildings). Extensively remodelled in 1990s and now in use as offices. Replacement pitched slate roof to front span, behind brick parapet with granite coping having parapet gutters, and shouldered brick chimneystacks with terracotta pots. Flemish bond red brick walling, with recent wigged pointing, on granite plinth course over painted smooth-rendered basement walling. Square-headed window openings, diminishing in height to upper floors, with patent reveals and granite sills. Replacement timber sliding sash windows with convex horns, six-over-six pane to ground and second floors, nine-over-six pane to first floor, three over-three pane to top floor and three-over-six pane to basement. Wrought-iron grilles to basement. Round-headed doorway with stucco surround, engaged panelled pilasters with Adamesque Ionic capitals, stepped entablature having swags and rosettes to frieze, sidelights with oval-and-bar-motif, replacement petal fanlight, and eight-panel replacement timber door with beaded muntin and brass furniture. Granite entrance platform with cast-iron boot-scrape, and with bull-nosed step to street level. Basement area enclosed by wrought-iron railings with decorative cast-iron posts, on moulded granite plinth. Rear enclosed by late twentieth-century buildings.