Saint Laurence's Chapel, Saint Brendan's Hospital — Grangegorman Lower

Freestanding double-height Roman Catholic church, built c.1850, comprising five-bay nave having gabled porches to south end of both east and west elevations, shallow chancel and single-storey three-bay sacristy extension, both to north. Pitched artificial slate roof, terracotta ridge tiles, cast-iron rainwater goods, moulded masonry eaves corbels, stepped limestone capping and carved cross finials. Stepped chimneystack to sacristy. Gabled bellcote to north elevation of nave, cross finial over and cast-iron bell. Snecked dressed calp limestone walls, cut stone block-and-start quoins, shouldered buttresses having limestone capping, carved calp string course at plinth level. Oculus to apex of south elevation, stepped quatrefoil window with carved limestone surround and calp limestone voussoirs. Triple arrangement of lancet windows to north elevation of chancel, chamfered limestone surrounds, sills and stained glass windows, shared calp arch-ring over. Triple arrangement of lancet windows to south elevation of nave, chamfered limestone surrounds and sills, stained glass windows, shared carved limestone hood moulding terminating in carved figurative stops, calp limestone voussoirs. Single and paired pointed arch windows to nave, chamfered limestone surrounds and sills, carved limestone hood mouldings terminating in carved figurative stops, calp limestone voussoirs and leaded windows. Pair of lancet windows to north elevation of sacristy, pair of square-headed window openings to east elevation of sacristy, chamfered limestone surrounds and sloped sills and leaded windows. Pointed arch door opening to west porch, chamfered limestone surround, carved limestone hood moulding terminating in carved stops, double-leaf timber battened door. Square-headed shouldered door opening to east elevation, chamfered limestone surround, calp voussoirs, timber battened door. Square-headed door opening to east elevation of sacristy, chamfered limestone surround, timber battened door. Lined-and-ruled walls to interior, king post truss roof with beams terminating in moulded plaster stops. Moulded plaster cornice to side walls. Angled stepped reveal to chancel, moulded plaster hood moulding over. Timber panelled gallery to rear, supported on pair of cast-iron columns, accessed via timber staircase. Timber pews flanking central aisle. Carved timber altar rails with kneelers. Stained glass windows to chancel.