Nancarrow Farmhouse, and Attached Wall is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 16 November 1988. Farmhouse. 5 related planning applications.

Nancarrow Farmhouse, and Attached Wall

WRENN ID
bitter-plaster-ivy
Grade
II
Local Planning Authority
Cornwall
Constituency
Truro and Falmouth MP: Jayne Kirkham (Lab)
Country
England
Date first listed
16 November 1988
Type
Farmhouse
Address
Nancarrow Farmhouse, and Attached Wall, A30, St. Allen
OS grid reference
SW 801 502
Coordinates
50.31154, -5.08945
Source
Historic England listing

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

Description

Nancarrow Farmhouse is an early 19th century farmhouse, built on the site of an earlier mansion. It is constructed of coursed killas sandstone with a slate roof. The farmhouse has a four-room plan, incorporating a central stair hall and a rear wing containing the kitchen and service rooms. The two-storey elevation is symmetrical, featuring a central half-glazed door with an overlight, now set within a 20th century glazed porch. Sixteen-pane sashes with original glass are found in openings with cambered 9-inch brick lintels. The roof is hipped. The interior has not been inspected.

Attached to the gable of the rear wing is a killas stone wall approximately 3.5 metres high, with a hog-back coping and a slate under course. This wall extends roughly 39 metres to the west, defining the north side of the gardens against the farm road, and slopes downwards to approximately 1.5 metres at the west end, where it meets a dwarf wall with spear-headed railings and an ornamental gate.

Local climate

Nancarrow Farmhouse, and Attached Wall receives an average of 890 mm of rain a year. This makes it wetter than 66% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 86% of listed buildings.

It experiences an average of 6 freeze-thaw cycles a year, fewer than 96% of listed buildings. Of these, 2 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.
  • Sale history — 2 transactions since 2007
  • 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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