Tan-y-Graig is a Grade II listed building in the Denbighshire local planning authority area, Wales. First listed on 1 February 1995. A C18 House.
Tan-y-Graig
- WRENN ID
- floating-remnant-dawn
- Grade
- II
- Local Planning Authority
- Denbighshire
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 1 February 1995
- Type
- House
- Address
- Tan-y-Graig, Glanyfrdwy, Corwen
- OS grid reference
- SJ 144 408
- Coordinates
- 52.95804, -3.27561
- Source
- Cadw listing
Description
Tan-y-Graig is a building probably constructed in the late 18th century, possibly replacing an earlier structure on the site. It features roughly coursed and squared rubble with a slate roof that has slate verges. The building is two storeys high and has a long two-unit plan with an integral rear wing. There are gable end stacks, including one for the wing. The central entrance is flanked on each floor by 8-pane windows, which have splayed voussoir heads on the lower openings. The rear wall has an inserted window and doorway. The rear wing includes a fixed 6-pane window with a voussoir head on the ground floor, a small 2-light window below the eaves on the outer face, and a doorway in the angle of the inner face with a 6-pane fixed light window next to it. Additionally, there is a fixed iron-pane window on the first floor.
Local climate
Tan-y-Graig sits in a wetter-than-average part of the UK, with an average of 980 mm of rain a year. This makes it wetter than 79% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 56% of listed buildings.
It experiences an average of 49 freeze-thaw cycles a year, more than 91% 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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