Plas Gwyn is a Grade II listed building in the Flintshire local planning authority area, Wales. First listed on 30 August 2002. House.
Plas Gwyn
- WRENN ID
- watchful-courtyard-holly
- Grade
- II
- Local Planning Authority
- Flintshire
- Constituency
- Clwyd East MP: Becky Gittins (Lab)
- Country
- Wales
- Date first listed
- 30 August 2002
- Type
- House
- Address
- Plas Gwyn, Bryn Goleu, Nannerch
- OS grid reference
- SJ 144 703
- Coordinates
- 53.22326, -3.2827
- Source
- Cadw listing
Description
Plas Gwyn is a vernacular house with Georgian character, built in the 18th century. It features five bays and two storeys with an attic, constructed from rubble stone and topped with a slate roof that has a moulded stone cornice and rendered end stacks. The symmetrical front of the house includes a central entrance with a replaced half-lit panelled door and a three-pane overlight above it. The original window openings have been fitted with late 19th-century wooden cross windows that incorporate casements, set under flat stone arches on the lower storey and stone lintels on the upper storey. On the left gable end, there is a two-light mullioned cellar window.
To the right side of the house is a gabled rear kitchen wing, likely part of the original structure. At the centre of the rear, there is a gabled stair projection that features a cross window to light the stair. An added lean-to on the right side extends beyond the left gable end of the main range. The rear windows mainly consist of replaced or inserted cross windows and two-light casements similar to those at the front.
Inside, the central entrance hall contains a single flight of stairs leading to the rear, which retains its original turned balusters and square newel, although the landing balustrade has been replaced. The room to the right retains part of a timber lintel over a large fireplace, despite being fire-damaged. The rear wing, which was originally the kitchen, features a wide fireplace with a timber lintel.
Local climate
Plas Gwyn receives an average of 940 mm of rain a year. This makes it wetter than 72% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 67% of listed buildings.
It experiences an average of 29 freeze-thaw cycles a year, fewer than 68% of listed buildings. Of these, 15 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.
More on this building
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- No EPC on record for this property
- No sale records on file
- No related consent applications matched
- Detailed attributes — period, style, materials, features
- Flood risk assessment
- Radon risk assessment
- Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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