The Hub Festival Centre, 348-350 Castlehill, Edinburgh

James Gillespie Graham and AWN Pugin, 1839-44; Hardy and Wight, 1893; Benjamin Tindall Architects, 1999. 2-storey, 5-bay rectangular-plan gothic former church and meeting hall on commanding corner site, with entrance tower and tall pinnacled spire to E. Droved ashlar with polished dressings. Pierced parapet. Hoodmoulded windows with quatrefoil tracery and small-pane leaded glazing. Crocketed pinnacles to buttresses. Extension to rear (see Notes) with pierced parapet and crocketed pinnacles to corners.

E ELEVATION: projecting entrance tower to centre: crocketed gablet and hoodmould over 2-leaf clouted timber boarded door with decorative cast-iron hinges in shoulder-arched surround; cusped gablet with foliate carving. Angle buttresses rising to crocketed gablets; tall 6-light windows to each face; lucarned clock faces; 2-stage, lucarned, louvred belfry; pinnacled buttresses linked by flyers to cross-finialled ribbed octagonal spire with diapered bands. Tall narrow 2-light windows to outer left and right.

N (CASTLEHILL) ELEVATION: 5 bays flanked by gabletted buttresses with crocketed pinnacles above to left: squat 2-light windows lighting semi-basement; tall 4-light windows lighting main hall above. 2-storey extension (see Notes) to right: cusped 2-light windows with flat-headed hoodmoulds flanking 2-leaf timber boarded door with gothic fanlight in pointed-arched continuously moulded surround under crocketted gablet; modern additions (see Notes) above.

S (JOHNSTON TERRACE) ELEVATION: 5 bays to right flanked by gabletted buttresses with crocketed pinnacles above; : squat 2-light windows lighting ground floor; tall 4-light windows lighting main hall above. 2-bay 3-storey extension (see Notes) to left: mullioned and transomed windows to ground floor; flat-headed hoodmoulded 3-light windows to 1st floor; pointed-arched hoodmoulded 3-light windows to 2nd floor and to re-entrant angle. Conical-roofed slated turret to rear of library extension. Modern additions above.

W (BOSWELL COURT) ELEVATION: 2-light window below modern extension.

INTERIOR: rib-vaulted outer vestibule. Diagonally ribbed plasterwork to inner vestibule; staircases rising to either side. Central corridor (formerly flanked by offices etc) leading to imperial staircase with decorative cast-iron balusters at W end (Hardy and Wight), rising to bowed landing, library and church/assembly hall at 1st floor. Single-span roof with shallow plaster rib-vaulting to main hall; U-plan gallery supported on cast-iron columns; cusped decoration to gallery fronts; pinnacled and crocketed gothic pulpit (see Notes) with cusped screen behind and decorative balustrade in front.