Polglaze Farmhouse is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 20 December 1988. Farmhouse. 2 related planning applications.

Polglaze Farmhouse

WRENN ID
stranded-jade-willow
Grade
II
Local Planning Authority
Cornwall
Constituency
St Austell and Newquay MP: Noah Law (Lab)
Country
England
Date first listed
20 December 1988
Type
Farmhouse
Address
Polglaze Farmhouse, St. Mewan, PL26 7JF
OS grid reference
SW 964 498
Coordinates
50.31326, -4.86096
Source
Historic England listing

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

Description

Polglaze Farmhouse is a farmhouse built in the early to mid-19th century, with some later 19th-century additions and 20th-century alterations. The front is made of granite ashlar, while the sides and rear are constructed from stone rubble. It features an asbestos slate roof with ridge tiles and gable ends, along with gable end stacks that have brick shafts. Some parts are finished in rendered cob.

The farmhouse has a two-room plan with a central entrance, where each room is of equal size and heated by a gable end stack. In the later 19th century, two parallel rear wings were added. The left wing has a one-room plan heated from a gable end stack at the rear, while the right wing also has a one-room plan and includes a 20th-century lean-to on its right side.

The exterior is two storeys high with a symmetrical three-window front. All windows are 19th-century 16-pane sashes featuring dressed stone voussoirs. The central entrance has a 19th-century panelled and glazed door with voussoirs, set within a 20th-century glazed porch. The left end of the building is blind, while the right end has an external stack. The right rear wing is two storeys tall, with the upper level finished in rendered cob. The ground floor has a 19th-century four-panelled door to the left, set in a 20th-century porch, and a 19th-century 16-pane sash to the right. The first floor features a 19th-century 16-pane sash. There is also an early 20th-century single-storey brick lean-to at the end, which includes a plank door and a single light. The interior has not been inspected.

Local climate

Polglaze Farmhouse receives an average of 910 mm of rain a year. This makes it wetter than 68% 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 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 0.2°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
  • 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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