Trewoon Farmhouse is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 24 November 1988. Farmhouse. 5 related planning applications.

Trewoon Farmhouse

WRENN ID
dusted-rubble-myrtle
Grade
II
Local Planning Authority
Cornwall
Constituency
Truro and Falmouth MP: Jayne Kirkham (Lab)
Country
England
Date first listed
24 November 1988
Type
Farmhouse
Address
Trewoon Farmhouse, Budock, TR11 5RA
OS grid reference
SW 762 311
Coordinates
50.13847, -5.13266
Source
Historic England listing

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

Description

Trewoon Farmhouse is a farmhouse dating from around the late 18th century or early 19th century. It is constructed of granite rubble with granite dressings and features a scantle slate half-hipped roof, which has been replaced with asbestos slate at the rear where it slopes lower over an integral outshut. The adjoining single-storey dairy is roofed with scantle slate. Brick chimneys are located over the side walls, and cast-iron ogee-section gutters are present.

The house has a double-depth plan, consisting of two rooms at the front that flank an entrance hall leading to a stair hall. To the right is a back kitchen, and to the rear left is a pantry. Behind the pantry is a dairy that is likely slightly later in date.

The exterior is two storeys high with a symmetrical three-window south front, featuring a central doorway and a window of the same width above. The windows and door are from the late 19th or early 20th century and are set in original openings. The entrance includes a five-panel door with two glazed top panels and an overlight, along with an open-gabled wooden porch that has a shaped barge board and finial supported by shaped brackets. The windows are four-pane horned sashes, with paired sashes in wide openings on the left and right sides. The rear of the house features a 19th-century four-panel door with later glazed top panels and an overlight, along with a probably original 16-pane horizontally sliding stair sash and an 18-pane three-light back kitchen window, where the bottom row of panes is boarded and the middle light slides horizontally. The interior has not been inspected.

Local climate

Trewoon Farmhouse receives an average of 850 mm of rain a year. This makes it wetter than 59% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 84% of listed buildings.

It experiences an average of 7 freeze-thaw cycles a year, fewer than 95% of listed buildings. Of these, 3 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 — 5 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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