Y-friallen is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 11 August 1993. House.

Y-friallen

WRENN ID
over-attic-twilight
Grade
II
Local Planning Authority
Powys
Constituency
Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
Country
Wales
Date first listed
11 August 1993
Type
House
Address
Y-friallen, Llandegley, Penybont
OS grid reference
SO 139 629
Coordinates
52.25778, -3.26248
Source
Cadw listing

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

Description

Y-friallen is a two-storey building constructed of painted rubble stone with a slate roof. It features a central enclosed porch, a large rubble ridge stack located to the left of the center, and a projecting rubble stack at the right-hand gable end. The front door is boarded, and there is a mix of small-paned timber casement windows along with three sash windows. The interior has not been inspected.

Local climate

Y-friallen sits in a wetter-than-average part of the UK, with an average of 1,020 mm of rain a year. This makes it wetter than 81% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 73% of listed buildings.

It experiences an average of 51 freeze-thaw cycles a year, more than 93% 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
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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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