Glan-y-wern Hall

The planning of Glan-y-wern is constrained by the retention of the old house, but conforms as far as possible nonetheless to symmetry about 2 axes. The house is entered at the centre of the south elevation by the porch and a large hall containing 2 scagliola columns screening the doors to the central stairs and to the service areas. The staircase is of stone, placed centrally but turned 90 degrees; it is an important feature and consists of a single lower flight and twin return cantilevered flights with a hardwood handrail on ornate cast iron balusters. Above the stairwell is a glazed cupola.

To the left of the entrance is the first of a suite of 3 similarly decorated reception rooms of high interior quality, occupying the full length of the west elevation. The centre room is the drawing room. Restrained plasterwork in Adamesque/Regency tradition, the cornices featuring repeated Prince of Wales feathers; Classical marble fireplaces. To the right of the entrance is the dining room. The reception rooms are linked by mahogany double doors.

Glan-y-wern is now a 2-storey house of 7 bays in local limestone ashlar masonry with concealed slated hipped roofs. It faces south (south-east) to a gravelled forecourt. The main garden elevation is to the west and is also of 7 bays. The masonry of these 2 main elevations and a small return to the north side is in graded courses. The front has a modest cornice and blocking course, and the west elevation has the same plus a raised centre to the blocking course above the mid 3 bays, which are very slightly advanced.

The windows of the front and west elevations consists of 12-pane hornless sash windows above and unequal 15-pane hornless sash windows below. Most are believed to be original, in hardwood, with original hand-made glass; some are reglazed in special conservation quality glass of similar appearance.

The front elevation has a central single-storey porch also in limestone ashlar (by Nesfield). This has clasping corner pilasters based at sill level. Central 7-panel door within an eared architrave with heraldic panels above. Sash windows to left and front, fixed light to right.

The return bay to the north and a rendered bay adjoin the older house which is in brickwork. Of the older house the original fabric is visible only at the north: it is of brickwork with 2 short wings and hipped slate roofs. One lower window in the left wing is of simplified Venetian type with timber mullions; the others are mainly 12-pane sash windows. The east elevation is also a part of the older house but is of 3 storeys, rendered, with irregular fenestration.