Threshing Barn on North Side of Yard at Trewanta Hall is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 10 May 1989. Barn.
Threshing Barn on North Side of Yard at Trewanta Hall
- WRENN ID
- pale-bastion-marsh
- Grade
- II
- Local Planning Authority
- Cornwall
- Constituency
- North Cornwall MP: Ben Maguire (LD)
- Country
- England
- Date first listed
- 10 May 1989
- Type
- Barn
- Address
- Threshing Barn on North Side of Yard at Trewanta Hall, Lewannick
- OS grid reference
- SX 265 802
- Coordinates
- 50.59617, -4.45279
- Source
- Historic England listing
Description
The threshing barn on the north side of the yard at Trewanta Hall is a Grade II listed building constructed in 1846, as indicated by a datestone. It features stone rubble walls with granite dressings and a slate roof with hipped ends. The barn has a rectangular main range with a shallow wing extending to the front left and another to the rear right. The ground floor likely contains shippons, while the threshing floor is situated above.
The exterior is two storeys high and has an asymmetrical front with a shallow wing on the left. There are shippon doors on the ground floor, with granite lintels that create a continuous string band. The first floor displays the datestone "W M H 1846" to the right of centre and includes two wide loft doors with slate hoods. A weather vane is located on the ridge at the rear. The interior has not been inspected.
Local climate
Threshing Barn on North Side of Yard at Trewanta Hall sits in a wetter-than-average part of the UK, with an average of 1,030 mm of rain a year. This makes it wetter than 83% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 86% of listed buildings.
It experiences an average of 16 freeze-thaw cycles a year, fewer than 84% of listed buildings. Of these, 7 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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