Trewyn Fawr Farmhouse is a Grade II listed building in the Denbighshire local planning authority area, Wales. First listed on 1 February 1995. Farmhouse.
Trewyn Fawr Farmhouse
- WRENN ID
- fading-rubble-scarlet
- Grade
- II
- Local Planning Authority
- Denbighshire
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 1 February 1995
- Type
- Farmhouse
- Address
- Trewyn Fawr Farmhouse, Corwen
- OS grid reference
- SJ 080 441
- Coordinates
- 52.98696, -3.37107
- Source
- Cadw listing
Description
Trewyn Fawr Farmhouse is a two-storey building constructed from roughly coursed tooled slate in long narrow blocks, featuring a plinth and a moulded eaves cornice, topped with slate roofs. The farmhouse has gable end and front wall stacks. It has a long plan with a rear wing on the left side. The central entrance is flanked by two widely spaced windows on each floor. The entrance consists of a plank door with an overlight and a slate lintel. One ground floor window has been enlarged, while a second has been renewed in its original opening but reduced in height. The upper windows are 12-pane sashes, with two of them replaced by pivoting small-paned windows. The brick stacks on the gable end and front wall include a chimney that projects to the right of the entrance and has been raised in height. The right-hand gable stack extends beyond the wall line, and there is a side doorway next to it towards the rear, along with a blocked doorway above it on the first floor, indicating that the first floor may have been used for storage. Additionally, a small pantry or store-room projects alongside the stack towards the front of the building.
Local climate
Trewyn Fawr Farmhouse sits in a wetter-than-average part of the UK, with an average of 1,050 mm of rain a year. This makes it wetter than 84% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 59% of listed buildings.
It experiences an average of 50 freeze-thaw cycles a year, more than 92% of listed buildings. Of these, 30 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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