Barn at Pentwyn is a Grade II listed building in the Monmouthshire local planning authority area, Wales. First listed on 22 June 2000. Barn.

Barn at Pentwyn

WRENN ID
sunken-casement-root
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 Pentwyn, Llanllowell/Llanllywel, Usk, Llantrisant Fawr
OS grid reference
ST 392 991
Coordinates
51.6875, -2.88085
Source
Cadw listing

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

Description

The barn at Pentwyn is a Grade II listed structure built from rubble stone with a slate roof. It features a full-height opening in the center, flanked by two vent loops on the right and a door in a red brick surround on the left, along with one additional vent loop. The west end wall has three vent loops, while the east end includes a lean-to covered with some stone tiles. There is a pig-sty arch on the south end. The north side, which faces the farmyard, is similar but has an added projecting rubble stone pent porch. It also has two blocked loops to the right, a rubble stone lean-to pigsty with a tin roof to the left, and another loop beyond.

Inside, the barn has a tall interior featuring four tie-beam and collar trusses along with double purlins.

Local climate

Barn at Pentwyn 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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  • 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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Nearby listed buildings

  1. Pentwyn Grade II* 37 m
  2. Barn range at Great House Grade II 480 m
  3. Great House Grade II 502 m
  4. Church of Saint Llywel Grade II 531 m
  5. Church of St David Grade I 1.6 km
  6. Llandowlais Farmhouse Grade II 1.8 km
  7. Usk Prison Grade II* 1.9 km
  8. The Cwm Grade II* 1.9 km
  9. The Sessions House including balustraded terrace. Grade II* 2.0 km
  10. Ty Mawr Grade II 2.1 km