Plas y Wern is a Grade II* listed building in the Ceredigion local planning authority area, Wales. First listed on 28 February 1952. Water pump.

Plas y Wern

WRENN ID
tattered-stair-sorrel
Grade
II*
Local Planning Authority
Ceredigion
Constituency
Ceredigion Preseli MP: Ben Lake (PC)
Country
Wales
Date first listed
28 February 1952
Type
Water pump
Address
Plas y Wern, Gilfachreda, Llanarth
OS grid reference
SN 415 585
Coordinates
52.20226, -4.32004
Source
Cadw listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

Plas y Wern is a large house with a c.1670 main range and an older c.16 block, situated within its wider landscape. The c.1670 range is roughcast externally with a steeply pitched valley roof, a double hip on the west side, a moulded eaves cornice and a large stone west-side wall stack with rebated angles and a central indent. It is two storeys and has a basement, with a roughly square plan and large c.18 15-pane sashes. The south front has three windows; a c.17 panelled door is in the right bay, featuring an oval centre panel and a moulded doorcase, topped by ornate scrolled consoles which support a later hipped slate hood. Timber pilasters have also been added. The west side is windowless to the right, with a two-window range to the right. A rubble stone north wall has a side-wall stone stack and a gabled dormer to the right. A basement door, in an ovolo-moulded timber frame, is to the right, with a basement window to the centre, also ovolo-moulded, which may indicate the original mullion-and-transom form of the main windows.

The older range to the east is of rubble stone and has a slightly lower ridge line and a massive c.16 east-end outside chimney. The south front is three-storey and one-window to the extreme left, followed by an outshut (possibly built out in the c.16), which is two-storey and two-window, the left section projecting more than the right. One ovolo-moulded three-light timber-mullion window is on the ground floor right; other windows are casements. In the northeast angle is a two-storey section with a lean-to roof against the end of the main house and a north-end stack. Battered walling suggests an early date, possibly c.16, but the windows and door are c.19. Beyond this to the north is a lean-to added in 1936, unusually detailed with buttresses, and a gabled section to the right with a bellcote.

The interiors of the c.1670 range are outstanding. Two main ground floor rooms have bolection-moulded panelling, cornices and fireplaces. The dining room has a heavily panelled plaster ceiling with a central circle and axial ribs; the drawing room has lower relief ceiling details, a central oval, a square-with-half-circles panel and an outer border. The broad, dog-leg staircase has panelled newels, a heavy moulded rail and twisted balusters, rising over four flights to the attic with plaster moulded undersides. A south bedroom on the first floor has similar panelling, while the north library has large early c.18 panels. One bedroom has a ceiling with deep plastered beams, four diagonals centred on a transverse beam.

The rear wing features a ground floor room with a large timber-lintel fireplace at the east end, and a square stone stair winding around a centre square stone pier, that rises to the attic. A 1936 attic room, now a music room, has a west gallery. The attic roof has three collar-trusses with triple through-purlins; the collars are slightly arched and there is chamfering to the undersides and lower sides of the blades. The roof-trusses are of late medieval type and relate to the earliest phase of the house, potentially a first floor hall. The stair relates to existing floor levels and may be c.16, or the whole may be c.16. A block to the north contains a room (now a bathroom), reputedly where Henry Tudor stayed. This may be a c.16 parlour wing, much altered.

Local climate

Plas y Wern sits in one of the wettest parts of the UK, with an average of 1,240 mm of rain a year. This makes it wetter than 92% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 93% of listed buildings.

It experiences an average of 21 freeze-thaw cycles a year, fewer than 78% of listed buildings. Of these, 9 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.3°C per decade since 1991.

Averages for 1991–2020; temperature trend 1991–2025. Figures describe the wider area (a grid cell of roughly 10 km), not the individual site. Contains modified Copernicus Climate Change Service information 2026.

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