Barn at Treworgan Manor is a Grade II listed building in the Monmouthshire local planning authority area, Wales. First listed on 31 January 2001. Barn.
Barn at Treworgan Manor
- WRENN ID
- weathered-cellar-mint
- Grade
- II
- Local Planning Authority
- Monmouthshire
- Constituency
- Monmouthshire MP: Catherine Fookes (Lab)
- Country
- Wales
- Date first listed
- 31 January 2001
- Type
- Barn
- Address
- Barn at Treworgan Manor, Raglan
- OS grid reference
- SO 421 051
- Coordinates
- 51.74171, -2.83978
- Source
- Cadw listing
Description
The barn at Treworgan Manor is a structure built from rubble stone and topped with a corrugated iron roof. The west side features a barn on the left with full-height double doors and two vent loops on each side. The north gable has five vent loops. Attached to the south is a lofted building that shares a roof with the barn, which has a door below and three small loops above. Beyond this is a lower lofted outbuilding that includes outside stone steps, with the south end wall partially rebuilt in cement block. The building was not available for inspection at the time of the survey.
Local climate
Barn at Treworgan Manor receives an average of 860 mm of rain a year. This makes it wetter than 60% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 62% of listed buildings.
It experiences an average of 40 freeze-thaw cycles a year, more than 77% 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 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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