Borlase Farmhouse is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 12 May 1988. Farmhouse.
Borlase Farmhouse
- WRENN ID
- lesser-cupola-torch
- Grade
- II
- Local Planning Authority
- Cornwall
- Constituency
- North Cornwall MP: Ben Maguire (LD)
- Country
- England
- Date first listed
- 12 May 1988
- Type
- Farmhouse
- Address
- Borlase Farmhouse, St. Wenn
- OS grid reference
- SW 950 660
- Coordinates
- 50.45865, -4.8888
- Source
- Historic England listing
Description
Borlase Farmhouse is a farmhouse built in the mid-18th century, with alterations and additions made around the mid-19th century and a few later changes. It is constructed from granite and slatestone rubble with brick dressings, topped by a slate roof featuring ridge tiles and gable ends. The building has two spans over the front and rear ranges, with gable ends that include stacks with brick shafts. An outhouse attached to the left end has a stack with a brick shaft rising from the slope of the roof.
The original house has a two-room plan with a central entrance accessed through an 18th-century porch. The mid-19th-century addition at the rear is also of a two-room plan and runs parallel to the main range. There is a single-storey lean-to at the left end of the original range, likely a wash house, which is heated by a stack from the roof slope.
The exterior features two storeys and a nearly symmetrical three-window front. The first floor has three 19th-century four-pane sash windows in their original openings, each with cambered brick arches. The ground floor has a central gabled open-front porch, which includes a re-used chamfered four-centred arched stone surround for the doorway, along with a plank dog-gate. The porch has sidelights and contains a stone trough for water. Inside the porch, there is a plank inner door with a two-centred arch and glazed spandrels. To the right and left of the porch are 19th-century 16-pane sashes with cambered brick arches. The right end of the building is blind, while the left end features the single-storey lean-to with a plank door at the front. At the rear, the mid-19th-century addition has a partly rendered three-window front with 19th-century sashes and a central doorway with a 19th-century door. The interior has not been inspected.
Local climate
Borlase Farmhouse sits in a wetter-than-average part of the UK, with an average of 990 mm of rain a year. This makes it wetter than 79% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 91% of listed buildings.
It experiences an average of 7 freeze-thaw cycles a year, fewer than 94% 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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