Penllwyn is a Grade II listed building in the Ceredigion local planning authority area, Wales. First listed on 3 June 1964. House.
Penllwyn
- WRENN ID
- unlit-cellar-meadow
- Grade
- II
- Local Planning Authority
- Ceredigion
- Constituency
- Ceredigion Preseli MP: Ben Lake (PC)
- Country
- Wales
- Date first listed
- 3 June 1964
- Type
- House
- Address
- Penllwyn, Nanternis, Llandysiliogogo
- OS grid reference
- SN 364 567
- Coordinates
- 52.1849, -4.39318
- Source
- Cadw listing
Description
Penllwyn is a two-storey building constructed of white painted rubble, topped with a slate roof featuring timber eaves and bargeboards. It has rubble gable chimney-stacks, with the left one being thicker and a drip detail on the right chimney. The front of the building has three bays, offset to the right. The upper level features small 6/3-pane hornless sash windows with cambered stone voussoired heads. On the ground floor, there is a twelve-pane hornless sash window to the left and a later 4-pane horned sash window to the right, both with similar stone heads above. The windows are set on slate sills, and there is a 20th-century central door with a lintel.
To the right, there is a later single-storey two-bay extension that matches the construction of the main house. This extension includes a boarded stable-type door on the left and a small 20th-century window on the right. The property is enclosed by a rubble forecourt wall, featuring a late 19th-century cast iron gate in the center, flanked by square stone piers.
The interior was not available for inspection.
Local climate
Penllwyn sits in a wetter-than-average part of the UK, with an average of 1,150 mm of rain a year. This makes it wetter than 89% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 87% of listed buildings.
It experiences an average of 24 freeze-thaw cycles a year, fewer than 74% of listed buildings. Of these, 11 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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