Cow Byre and Barn Range to South South West of Netherwylde Farm House is a Grade II listed building in the Hertsmere local planning authority area, England. First listed on 15 July 1980. Barn. 2 related planning applications.

Cow Byre and Barn Range to South South West of Netherwylde Farm House

WRENN ID
leaning-steel-bramble
Grade
II
Local Planning Authority
Hertsmere
Constituency
Hertsmere MP: Sir Oliver Dowden (Con)
Country
England
Date first listed
15 July 1980
Type
Barn
Address
Cow Byre and Barn Range to South South West of Netherwylde Farm House, Watling Street, Aldenham, WD7 7HS
OS grid reference
TL 151 012
Coordinates
51.69782, -0.3346
Source
Historic England listing

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

Description

This is a cow byre and barn range dating from the 17th century, with alterations made in the 18th century. It features a timber frame set on a brick base, with a brick wall at the rear and is weatherboarded. The building has a tiled roof and consists of eight bays. There are doors leading to the yard and small openings throughout, as well as a gabled loft door at the rear. Inside, the structure retains its mangers, and there are three early trusses with queen struts that connect to the collars clasping the purlins. The posts are jowled and have braces supporting slightly cambered tie beams. Additionally, later trusses have been inserted, featuring angled struts to the purlins.

Local climate

Cow Byre and Barn Range to South South West of Netherwylde Farm House sits in a drier-than-average part of the UK, with an average of 710 mm of rain a year. This makes it drier than 89% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 87% of listed buildings.

It experiences an average of 31 freeze-thaw cycles a year, fewer than 61% 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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  • Full EPC report — heating system, energy costs, size, glazing, construction etc.
  • No sale records on file
  • Related listed building consents — 2 applications
  • 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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  6. London Coal Duty Marker Immediately North West of Numbers 2 and 4 Marble Arch Cottages Grade II 974 m
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