West barn at Llwynmadoc is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 26 October 1953. Shop.

West barn at Llwynmadoc

WRENN ID
leaning-vestry-bone
Grade
II
Local Planning Authority
Powys
Constituency
Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
Country
Wales
Date first listed
26 October 1953
Type
Shop
Address
West barn at Llwynmadoc, Llandyssil
OS grid reference
SO 176 946
Coordinates
52.54302, -3.2156
Source
Cadw listing

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

Description

The west barn at Llwynmadoc is a barn oriented north-south, constructed from random rubble masonry and topped with a corrugated iron roof. The south gable end features three tall blind lancet windows made of red brick, which have horizontal banding and breathers, along with an owl hole positioned above. On the east elevation, there are eight hatch openings leading into a hay loft; one has a planked door, one is blocked with masonry, and the others are covered with timber boarding. Additionally, there is a 20th-century opening at ground level, which has a concrete lintel and red brick dressings, along with three more openings towards the north. The north gable end is clad in timber and has an opening on each level. The west side mirrors the east side with eight loft openings. Access to the interior was not available at the time of inspection.

Local climate

West barn at Llwynmadoc receives an average of 930 mm of rain a year. This makes it wetter than 71% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 63% of listed buildings.

It experiences an average of 49 freeze-thaw cycles a year, more than 91% 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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