Chester Beatty Library — Dublin Castle

Detached seven-bay three-storey U-plan building, built 1820, having ten-bay east and west elevations, with chamfered square-plan clock tower to roof. Remodelled and extended c. 1995. Formerly Dublin Castle Garrison Office, now in use as Chester Beatty Library. Central courtyard (now glazed atrium), with glazed entrance link building to windowless museum block to south. Hipped slate roof, concealed behind parapet to north elevation, with blue/black clay angled ridge and hip tiles, yellow brick chimneystacks, half-round cast-iron gutters on masonry corbel course, and round-profile cast-iron downpipes. Ogee-profile copper-clad roof to clock tower, with clock face on north side and peacock weather vane with Greek fret to base, and inset panels to chamfered corners. Front elevation has yellow Flemish bond brickwork on granite plinth, with limestone platband between upper floors, ashlar limestone cornice and blocking course, and granite V-jointed stepped quoins. Uncoursed rubble stone walling to east and west elevations at ground and first floors, and brown English garden wall bond brickwork to second floor, with painted brickwork to atrium. Square-headed window openings, with granite sills, rubbed brick voussoirs, and six-over-six pane timber sliding sash windows. Front entrance doorway has engaged Doric columns with plinths, carrying frieze with alternating triglyphs and metopes, with cornice, and having mutules to soffit. Timber double-leaf door, each leaf having three raised-and-fielded moulded panels. Wrought-iron boot-scrape to east side of doorway. Gravel paving with brick paved central pathway to Ship Street Gate to north, entrance pathway to east, service yard to west. Castle Garden to east.