Trerose Farmhouse is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 17 June 1988. Farmhouse.
Trerose Farmhouse
- WRENN ID
- inner-tower-rook
- Grade
- II
- Local Planning Authority
- Cornwall
- Constituency
- Camborne and Redruth MP: Perran Moon (Lab)
- Country
- England
- Date first listed
- 17 June 1988
- Type
- Farmhouse
- Address
- Trerose Farmhouse, Mawnan
- OS grid reference
- SW 787 276
- Coordinates
- 50.10757, -5.09627
- Source
- Historic England listing
Description
Trerose Farmhouse is an 18th-century farmhouse that was extended in the later 18th century. It features grouted rubble walls with slate hanging on the upper floor of the original part of the house. The steep dry Delabole slate roof slopes down at the rear of the original house, while a slightly lower scantle slate roof with a hipped end is on the right. There are large rubble stacks over the original gable end and an axial brick chimney over a cross wall towards the right.
The original house has a double-depth plan on the left, with a later 18th-century one-room-plan addition on the right and another one-room-plan addition at the far right. The original section includes two fairly large front rooms flanking a central cross passage, likely with a back kitchen behind the left-hand room, heated by an external stack, and probably a pantry behind the right-hand room, along with a later lean-to at the left end.
The farmhouse is two storeys high, with an overall five-window front facing south-south-east. The original house on the left has a nearly symmetrical three-window front. There is a central doorway featuring an original or 19th-century four-panel door, with the top panels later glazed, and a circa early 20th-century glazed porch with marginal panes. The windows are late 18th-century or early 19th-century 20-pane hornless sashes set in original square openings, while the two-window front to the right of the original front has a similar window at the first floor left, with otherwise later 19th-century windows. The interior has not been inspected.
Local climate
Trerose 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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- No EPC on record for this property
- No sale records on file
- No related consent applications matched
- 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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