Plas Glyn-y-Weddw

The entrance leads through a remarkable Chinese-style inlayed walnut veneered inner lobby, embellished with fine crest decoration. Immense lofty hall, its roof carried on close-spaced hammer beam roof trusses whose pendants have heraldic shields. At the centre a grand flight of stairs rises, dividing at the half-landing and continuing up to a gallery around the full circumference of hall; the balustrade with pinnacled newel posts, and cusped Gothic tracery in iron. The whole of the gallery is supported on corbelled hammer-beams. At head of stairs a large 3-light Perpendicular-style stained glass window with heraldic shields relating to past owners of the house. At front of gallery, a tripartite glazed Gothic screen opens to the upper room of the porch. The Hall has a polychrome tiled floor; and a diminutive stone medieval-style fireplace with a roundel containing the initials EJP. The rooms opening off both hall and gallery have Tudor doorheads with panelled doors and deep panelled jambs. The main ground floor room on the right has a ladder cornice, central rosette, and arch feature on the end wall. The room on the left has a fine Carrara marble fireplace with honeysuckle painted panels and an iron grate. Ceiling rose and Gothic cornice. The front window has a columnar frame. A Perpendicular style window-door opens to the conservatory, which has been restored. The service rooms to the rear include a high servants hall with a large stone fireplace.

Built in a Victorian high Gothic style, of snecked brown stone, with steep slate roofs and prominent stone chimneys with tall square brick shafts linked at the heads. Two storeys, an irregular E-plan with a rear wing containing service quarters. The entrance front faces east and consists of 3 principal gabled bays, the centre with a 2-storey gabled porch, gables also to its corbelled sides. Double-leaf panelled doors set in a square headed Tudor moulded arch, and above, a large 3-light Perpendicular window to the upper floor chamber. The inner doorway is also arched. The porch bay is flanked by narrow recessed bays; part of a large gable behind the porch. These recessed sides have further 2-light Perpendicular windows on the first floor, 2-light mullion and transom windows to the ground floor. The end wings are also gabled, that to L has a 2-storey canted bay window with crenellations and mullion and transom windows. The right bay has a first floor oriel window corbelled out over a 5-light mullion and transom window on the ground floor. Lighting the centre of house is an elaborate octagonal timber lantern with a bulbous lead dome.

The S elevation has a restored conservatory in front of a gable with a chimney at the apex, and a dormer window to the right. The N elevation has a tall external shouldered chimney, and, to its right, a 2-window gable with mullion and transom windows to the first floor, 3-light windows to ground floor. To the right of this, a Tudor-headed doorway with quatrefoil above, and a small first floor window.

To rear of the house, a lower 2-storey block at right angles with small-pane sash glazing. Further to the rear, a block with gable facing N; 2 windows, mullion and transom windows to first floor, 12-pane sashes to ground floor. Behind this at right angles, 3-window block with small-pane sash glazing. At right angles to this, single storey attached range of 7 timber windows with leaded glass and a door, altered.