Halla Banba — Parnell Square North

Terraced three-bay four-storey house over exposed basement, built c.1768. M-profile artificial slate roof with clay ridge tiles behind parapet wall with granite coping and cast-iron hopper and downpipe breaking through to west. Two rendered yellow brick chimneystacks to east party wall with clay pots. Red brick walls laid in Flemish bond on granite platband above coursed rusticated arcaded granite ashlar walling to ground floor. Granite plinth course above rendered basement walls. Gauged brick flat-arched window openings with patent rendered reveals, painted granite sills and replacement timber sliding sash windows to three upper floors, one-over-one pane to first floor, two-over-three to second floor and one-over-one pane to top floor. Round-headed six-over-six pane nineteenth-century windows to ground floor, set within recessed surrounds, voussoired to outer arch having moulded granite sills. Decorative iron balcony spanning first floor and extended across neighbouring house to west No. 21. Round-headed door opening with voussoired head housing replacement double-leaf hardwood panelled doors and plain fanlight. Door asymmetrically placed and opening onto granite platform and seven granite steps, enclosed to west by advanced granite plinth wall to No. 21, enclosed to east by iron railing on cement rendered plinth wall. Basement area also enclosed by iron railing on cement rendered plinth wall with matching gate giving basement access. Rear elevations to both Nos. 20 and 21 now abutted by recent extension to Hugh Lane Gallery, designed by Gilroy McMahon Architects c.2005.