Treyhill Farmhouse is a Grade II listed building in the North Devon local planning authority area, England. First listed on 29 May 1986. A Georgian Farmhouse.

Treyhill Farmhouse

WRENN ID
fallen-pediment-dale
Grade
II
Local Planning Authority
North Devon
Constituency
North Devon MP: Ian Roome (LD)
Country
England
Date first listed
29 May 1986
Type
Farmhouse
Period
Georgian
Address
Treyhill Farmhouse, Westleigh
OS grid reference
SS 488 287
Coordinates
51.03838, -4.15753
Source
Historic England listing

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

Description

Treyhill Farmhouse is a farmhouse that likely dates from the late 18th century and was extended in the late 19th century, although it may include earlier elements. The building is constructed of rendered stone and rubble, topped with a slate roof and featuring brick stacks at each end. Originally, the farmhouse appears to have had a three-room layout with a through-passage, but the hall/inner partition has been removed. There is a winder staircase located at the rear of the hall, along with an integral two-storey outshut at the back. It is possible that the main range, which has three storeys, was built as a single phase following the traditional Devon farmhouse plan, as there is no exposed fabric to indicate otherwise.

A dairy block was added to the right end, and an additional bay was added to the left end in the late 19th century. The farmhouse features a three-window range across its three storeys, with four-over-eight paned sashes on the upper storey, including a blind window opening at the right end. The lower two storeys have 16 paned horned sashes with slightly cambered heads. There is a slated gabled porch with moulded bargeboards leading to an off-centre doorway. The bay addition at the left end has a single sash window above two sashes, all of which are 12-paned and topped with a half-hipped slate roof. The late 18th and 19th century joinery remains intact, including several two-panelled doors with original hinges.

Local climate

Treyhill Farmhouse receives an average of 960 mm of rain a year. This makes it wetter than 74% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 88% of listed buildings.

It experiences an average of 10 freeze-thaw cycles a year, fewer than 90% of listed buildings. Of these, 4 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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