Whelpley Ash Farm is a Grade II listed building in the Dacorum local planning authority area, England. First listed on 2 December 1986. Farmhouse. 2 related planning applications.

Whelpley Ash Farm

WRENN ID
odd-eave-magpie
Grade
II
Local Planning Authority
Dacorum
Constituency
Hemel Hempstead MP: David Taylor (Lab)
Country
England
Date first listed
2 December 1986
Type
Farmhouse
Address
Whelpley Ash Farm, Chesham Road, Bovingdon, HP5 3RR
OS grid reference
TL 004 033
Coordinates
51.71998, -0.54762
Source
Historic England listing

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

Description

Whelpley Ash Farm is a farmhouse that has been converted into a private house. It dates from the late 16th century, with the southeast bay added in the early 17th century, and features a parallel early 19th-century brick rear range that extends to the south. The house underwent renovations around 1976, which included lean-to extensions on the east and west sides. The front (east) displays exposed timber framing with red brick infill, while the south end is plastered with false timbering. The west wall is made of red brick, and the building has steep old red tile roofs.

The house is two stories high and consists of three structural bays, facing east into a courtyard. The casement windows have been renewed. Inside, the structure reveals the framework of a two-bay 16th-century house, featuring a large chimney that was originally external on the south gable and a chamfered axial beam in the southern bay, with a cross beam in the longer northern bay. There are jowled posts and straight braces supporting cambered tie beams, along with a roof that has collar and queen-strut clasped purlins and wind braces. A heavy jowled post is present in the 17th-century southern bay beyond the chimney. The ground floor includes a large open fireplace and exposed joists.

Local climate

Whelpley Ash 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 84% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 83% of listed buildings.

It experiences an average of 33 freeze-thaw cycles a year, fewer than 54% 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
  • 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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