Main Barn at Herons Farm is a Grade II listed building in the St Albans local planning authority area, England. Barn.
Main Barn at Herons Farm
- WRENN ID
- narrow-rafter-sparrow
- Grade
- II
- Local Planning Authority
- St Albans
- Constituency
- Harpenden and Berkhamsted MP: Victoria Collins (LD)
- Country
- England
- Type
- Barn
- Address
- Main Barn at Herons Farm, Gustardwood Common, Wheathampstead
- OS grid reference
- TL 170 156
- Coordinates
- 51.82754, -0.30241
- Source
- Historic England listing
Description
The main barn at Herons Farm is a 17th-century structure located about 40 meters east of the farmhouse. It features a timber frame with tarred weatherboarding and a red brick base, topped by a plain tile roof. The barn consists of five bays and includes a through passage to the central bay. Inside, there are tie beams supported by straight braces and angled braces connecting to the mid-height purlins. The eastern elevation has three 19th-century glazing-bar ventilators.
Local climate
Main Barn at Herons Farm sits in a drier-than-average part of the UK, with an average of 720 mm of rain a year. This makes it drier than 82% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 79% of listed buildings.
It experiences an average of 32 freeze-thaw cycles a year, fewer than 57% of listed buildings. Of these, 15 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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