Cowhouse Range at Plas-gwyn is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 8 February 1999. Cowhouse.
Cowhouse Range at Plas-gwyn
- WRENN ID
- gaunt-step-thunder
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 8 February 1999
- Type
- Cowhouse
- Address
- Cowhouse Range at Plas-gwyn, Y Ffor, Pwllheli, Llannor
- OS grid reference
- SH 395 384
- Coordinates
- 52.91914, -4.38829
- Source
- Cadw listing
Description
The Cowhouse Range at Plas-gwyn is a 19th-century building located on the northeast side of a square farmyard, separated from the stable and granary by a driftway. It is long and low, constructed from squared rubble with a slated roof. The building is single-storey with lofts, featuring boarded doors and ventilation windows. At the southeast end, there is a cart house with a long stone lintel. An external stair at this end leads up to a loft that is illuminated by a simple window above the cart house entrance.
Inside, the roof structure includes trusses with a tie, tall queen posts that frame a central walkway, and angle struts, supported by two tiers of purlins.
Local climate
Cowhouse Range at Plas-gwyn sits in one of the wettest parts of the UK, with an average of 1,670 mm of rain a year. This makes it wetter than 99% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 99% of listed buildings.
It experiences an average of 4 freeze-thaw cycles a year, fewer than 98% of listed buildings. Of these, 1 follows 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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