Barn at Pen-ucha'r-plwyf is a Grade II listed building in the Monmouthshire local planning authority area, Wales. First listed on 22 June 2000. Barn.

Barn at Pen-ucha'r-plwyf

WRENN ID
heavy-entrance-coral
Grade
II
Local Planning Authority
Monmouthshire
Constituency
Monmouthshire MP: Catherine Fookes (Lab)
Country
Wales
Date first listed
22 June 2000
Type
Barn
Address
Barn at Pen-ucha'r-plwyf, Llantrissent/Llantrisant, Usk, Llantrisant Fawr
OS grid reference
ST 408 980
Coordinates
51.67769, -2.85664
Source
Cadw listing

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

Description

The barn at Pen-ucha'r-plwyf is a Grade II listed structure built from rubble stone and topped with a slate roof. It features a symmetrical front with a tall central opening flanked by vent loops on each side. The entrance has board doors and a timber lintel, with an added raking buttress on the right side. The left end of the barn has three vent loops, while the right end is blank. The rear has an asbestos sheet roof, a similar doorway, and a vent loop to the left. There are tin sheets covering the doors, and the rear right has a long lofted outbuilding with a Bridgewater tile roof. Outside steps lead to a loft door with a timber lintel in the end gable.

The front facing the rear court includes a boarded loft opening to the left and three ground floor openings with timber lintels: a door to the left, a window in an infilled broad opening at the center, and another window to the left. There are holes in the wall at the center and right for a former lean-to. The rear side, facing the house, has a door to the right and a four-bay lean-to with Bridgewater tiles supported by iron columns, along with one loft window above.

Inside, the barn has a five-bay roof with tie-beam and collar pegged trusses, and double purlins. The rear wing features oak floor beams.

Local climate

Barn at Pen-ucha'r-plwyf receives an average of 890 mm of rain a year. This makes it wetter than 66% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 66% of listed buildings.

It experiences an average of 41 freeze-thaw cycles a year, more than 78% of listed buildings. Of these, 18 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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