Barn at Justa Farm is a Grade II listed building in the Dacorum local planning authority area, England. First listed on 19 March 1987. Barn. 1 related planning application.

Barn at Justa Farm

WRENN ID
fallen-cinder-briar
Grade
II
Local Planning Authority
Dacorum
Constituency
Harpenden and Berkhamsted MP: Victoria Collins (LD)
Country
England
Date first listed
19 March 1987
Type
Barn
Address
Barn at Justa Farm, Little Heath Lane, Nettleden with Potten End
OS grid reference
TL 017 079
Coordinates
51.76064, -0.52757
Source
Historic England listing

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

Description

The barn at Justa Farm is a 16th-century structure featuring a timber frame that is dark weatherboarded, topped with a steeply pitched roof now covered in black corrugated iron. It is a tall, five-bay barn facing north, with a half-hipped projecting porch in the middle and opposed double doors at the rear. Inside, it has a clasped purlin roof supported by long curved wind braces. The site was transferred from Northchurch parish due to a boundary change on 1st April 1985.

Local climate

Barn at Justa 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 78% 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 36 freeze-thaw cycles a year, more than 64% of listed buildings. Of these, 17 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
  • Sale history — 2 transactions since 2004
  • 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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