Gwarnick Manor is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 16 November 1988. Farmhouse. 2 related planning applications.

Gwarnick Manor

WRENN ID
wild-rubblework-russet
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
Gwarnick Manor, St. Allen, TR4 9QU
OS grid reference
SW 815 488
Coordinates
50.29897, -5.06927
Source
Historic England listing

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

Description

Gwarnick Manor is a farmhouse dating to the late 18th and early 19th centuries. It is constructed of buff-yellow killas stone, with the front face pebbledashed between smooth rendered quoins. The roof is slate-covered. The house follows a four-room plan with a central through hall, dining and sitting rooms at the front, and a kitchen and service rooms to the rear. A large lean-to structure adjoins the left side, containing an office and additional service rooms. The building features gable stacks, with three flues on the left and two on the right. It is two storeys in height. The main entrance is a six-panelled door set within an early 20th-century glazed porch. Windows are tripartite sash windows with four panes to each section. Brick stacks are present. Below the eaves, a stone carving of an eagle is positioned frontally, accompanied by an inscription reading 'MAN ABOVE ALL THYNG / TEYZE(?) GOD AND Ye KING'. The lettering is in a style and sentiment reminiscent of the 16th to early 17th centuries, but the execution appears to be of 19th-century origin. A rear door has been replaced with a window. The kitchen may incorporate elements of an earlier structure, and fragments of this earlier building survive in the front garden, including a three-centred arched window transome, a window head, and a label stop. The interior has not been closely inspected, and no significant fireplaces were observed.

Local climate

Gwarnick Manor 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 — 7 transactions since 1996
  • Related listed building consents — 2 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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