Barn at Entrance to Mangrove Hall Farm is a Grade II listed building in the North Hertfordshire local planning authority area, England. First listed on 24 October 1988. Barn. 1 related planning application.

Barn at Entrance to Mangrove Hall Farm

WRENN ID
sleeping-remnant-bone
Grade
II
Local Planning Authority
North Hertfordshire
Constituency
Hitchin MP: Alistair Strathern (Lab)
Country
England
Date first listed
24 October 1988
Type
Barn
Address
Barn at Entrance to Mangrove Hall Farm, Mangrove Green, Offley
OS grid reference
TL 123 240
Coordinates
51.90385, -0.36776
Source
Historic England listing

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

Description

This is a 17th-century barn located at the entrance to Mangrove Hall Farm. The barn features brick walls that were constructed in stages during the 18th and 19th centuries. The upper part of the west wall is covered with dark weatherboarding, while the east side and north end have been replaced with red brick. The lower part of the west wall and the south end are finished with a chequered pattern of red and black brick. The barn has a steep roof, which is currently made of corrugated asbestos. It is a long, tall structure that faces west towards the approach drive. There is a stable door near the south end of the front and a large door at the north end. Inside, you can find jowled posts on the west side and a clasped-purlin roof from the 17th century. This barn is included for its group value.

Local climate

Barn at Entrance to Mangrove Hall Farm sits in a drier-than-average part of the UK, with an average of 730 mm of rain a year. This makes it drier than 80% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 77% of listed buildings.

It experiences an average of 37 freeze-thaw cycles a year, more than 70% 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
  • Related listed building consents — 1 application
  • 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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