Morgannwg House, including Forecourt Wall and Railings

Tall house; stucco; hipped slate roof with overhanging eaves; rectangular brick chimney. Front to Glamorgan Street of 3 storeys and basement, 5 bays. Bands, and pilasters with incised decoration. Slightly advanced central bay with gable and decorative bargeboards and inset semi-circular window. Four-pane sash windows to top floor, 12-pane sashes elsewhere set in moulded architraves, those on ground floor with bracketed cornices. Steps up to central porch with open arches to front and sides. Round-headed doorway with 6-panelled doorway with 6-panelled door and panelled reveals. Five-window rear elevation; modern extension at right angles. Forecourt enclosed by wall and railings; low stone wall with ashlar coping. Railings have uprights with spiked finials; panelled standards.

Symmetrical ground floor plan. Good contemporary staircase with slender turned balusters. Ground floor ceilings with plaster roses and cornices. Period fireplaces.