Y Bwthyn is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 22 March 1993. House.
Y Bwthyn
- WRENN ID
- small-corridor-khaki
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
- Country
- Wales
- Date first listed
- 22 March 1993
- Type
- House
- Address
- Y Bwthyn, Coed Y Llan, Llanfyllin
- OS grid reference
- SJ 140 195
- Coordinates
- 52.76632, -3.27562
- Source
- Cadw listing
Description
Y Bwthyn is a timber-framed building standing on a tall stone plinth, featuring gable ends that are partially constructed of stone. The structure has square panels with short braces at the eaves level. It is topped with a slate roof that includes two red brick chimneys at the ridge, with the left chimney being larger. There is a gabled dormer on the roof. The front of the building has two modern doors, with a modern porch next to the right door, and modern casement glazing throughout.
Local climate
Y Bwthyn sits in a wetter-than-average part of the UK, with an average of 960 mm of rain a year. This makes it wetter than 75% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 61% of listed buildings.
It experiences an average of 45 freeze-thaw cycles a year, more than 86% of listed buildings. Of these, 25 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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