House at Sx 401692 is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 19 October 1987. House.

House at Sx 401692

WRENN ID
former-sandstone-russet
Grade
II
Local Planning Authority
Cornwall
Constituency
South East Cornwall MP: Anna Gelderd (Lab)
Country
England
Date first listed
19 October 1987
Type
House
Address
House at Sx 401692, Calstock
OS grid reference
SX 401 692
Coordinates
50.50116, -4.25547
Source
Historic England listing

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

Description

This is a mid-19th century house located in Calstock, with few later alterations. It is constructed of slatestone rubble, with some areas slate-hung, and features a slurried slate roof with ridge tiles and gable ends. The house has gable end stacks with rubble shafts.

The building has a double depth plan, with a central entrance leading to a kitchen on the right and a parlour on the left, along with shallow service rooms at the rear. The exterior is two storeys high and has a symmetrical three-window front. The upper level is slate-hung, and all windows are 16-pane sashes. There is a central early 20th-century porch with glazed sides and a flat roof, featuring double half-glazed doors. The left side has a slate-hung upper level with a small single-storey lean-to, while the right side is blind, with an oven projecting at the base of the flue.

At the rear, there is a central first-floor stair light, which is a tall light with margin glazing, flanked by 16-pane sashes on both sides. On the ground floor, there is a central door, a two-light casement with L hinges, and a 20th-century window, all with cambered brick heads. The interior has not been inspected.

Local climate

House at Sx 401692 sits in a wetter-than-average part of the UK, with an average of 1,010 mm of rain a year. This makes it wetter than 81% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 82% of listed buildings.

It experiences an average of 14 freeze-thaw cycles a year, fewer than 86% of listed buildings. Of these, 5 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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  • 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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