Weatherboard Barn at Downley Farm on North Side of Farmyard is a Grade II listed building in the Buckinghamshire local planning authority area, England. First listed on 25 October 1990. Barn. 2 related planning applications.

Weatherboard Barn at Downley Farm on North Side of Farmyard

WRENN ID
sharp-flue-ash
Grade
II
Local Planning Authority
Buckinghamshire
Constituency
Wycombe MP: Emma Reynolds (Lab)
Country
England
Date first listed
25 October 1990
Type
Barn
Address
Weatherboard Barn at Downley Farm on North Side of Farmyard, Plomer Green Lane, HP13 5XN
OS grid reference
SU 847 952
Coordinates
51.65012, -0.77701
Source
Historic England listing

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

Description

This is a weatherboard barn located at Downley Farm on the north side of the farmyard, dating from the mid-18th century. It features a timber frame with weatherboard cladding and a plain tile roof that is half-hipped at the east end. The barn consists of three bays and has central opposed cart entries, with the entry on the south side situated in a half-hipped gabled midstray, along with an added lean-to on the left.

Inside, the frame includes a sole plate, jowelled wall posts with straight braces connecting to the tie-beams and wall plates (some of which have been removed), and large-scantling studs. There is no mid-rail, and it has long raking braces. The roof is supported by queen strut trusses, one of which features curved struts, clasped purlins, mostly replacement rafters, and a later plank ridge. This barn is an important part of the farmyard group.

Local climate

Weatherboard Barn at Downley Farm on North Side of Farmyard 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 79% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 85% of listed buildings.

It experiences an average of 39 freeze-thaw cycles a year, more than 76% 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
  • Sale history — 3 transactions since 1996
  • 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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