Brentons is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 12 May 1988. A C18 House. 2 related planning applications.

Brentons

WRENN ID
wild-clay-martin
Grade
II
Local Planning Authority
Cornwall
Constituency
North Cornwall MP: Ben Maguire (LD)
Country
England
Date first listed
12 May 1988
Type
House
Address
Brentons, St. Wenn, TR9 6EL
OS grid reference
SW 955 639
Coordinates
50.43949, -4.88063
Source
Historic England listing

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

Description

This is a house, likely built in the early 18th century, with alterations and additions dating to around the mid-19th century and the 20th century. The walls are of granite rubble, with the upper section at the front covered in slate. Some areas are rendered. It has a slate roof with ridge tiles and gable ends, and gable end stacks, the left-hand stack having a rendered shaft which is truncated at the top. Originally, it was designed with a two-room plan, featuring a central entrance. The room on the left served as the kitchen, and the room on the right as the parlour, both heated by gable end stacks. A 20th-century addition extends from the right end.

The front facade is two stories high and nearly symmetrical, with two windows across the first floor. The first floor windows are 19th-century, with six panes to each sash. The ground floor has a central doorway with a 20th-century plank door, a 19th-century six-pane sash window to the left, and a 19th-century two-light casement window with two panes to the right; all ground floor openings have granite lintels. A small, flat-roofed 20th-century addition is at the right end. The left end has an external stack that includes a curved oven at the base, with the upper level rendered. The rear elevation is rendered and features a small 20th-century single-light window at first-floor level. The interior remains unexamined.

Local climate

Brentons receives an average of 920 mm of rain a year. This makes it wetter than 70% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 85% of listed buildings.

It experiences an average of 9 freeze-thaw cycles a year, fewer than 91% of listed buildings. Of these, 4 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 — 1 transaction since 2020
  • 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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