Y Bwythyn is a Grade II listed building in the Denbighshire local planning authority area, Wales. First listed on 3 July 1975. House.

Y Bwythyn

WRENN ID
gaunt-attic-yarrow
Grade
II
Local Planning Authority
Denbighshire
Constituency
Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
Country
Wales
Date first listed
3 July 1975
Type
House
Address
Y Bwythyn, Glyndyfrdwy, Corwen
OS grid reference
SJ 177 422
Coordinates
52.97117, -3.22678
Source
Cadw listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

Y Bwythyn is a single-storey building constructed from rough random rubble with freestone dressings. The roof has been re-covered with diagonally laid tiles and features an axial stack. The building has a three-bay plan, with a canted central bay that houses the entrance, which is flanked by windows that have been renewed in their original openings and have flat arched heads. The outer bays also contain renewed windows.

Local climate

Y Bwythyn receives an average of 920 mm of rain a year. This makes it wetter than 70% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 73% of listed buildings.

It experiences an average of 48 freeze-thaw cycles a year, more than 89% of listed buildings. Of these, 28 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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  • 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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