Boundary Stone at Sw622346 is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 26 August 1987. Boundary stone.

Boundary Stone at Sw622346

WRENN ID
iron-lantern-azure
Grade
II
Local Planning Authority
Cornwall
Constituency
St Ives MP: Andrew George (LD)
Country
England
Date first listed
26 August 1987
Type
Boundary stone
Address
Boundary Stone at Sw622346, Crowan
OS grid reference
SW 622 346
Coordinates
50.16402, -5.33103
Source
Historic England listing

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

Description

This boundary stone, located at SW622346, is likely an estate boundary marker for the Clowance Estate and dates from the 18th century. It is a roughly hewn granite monolith featuring the Arabic number 1, which has serifs, incised on the south-west facing side.

Local climate

Boundary Stone at Sw622346 receives an average of 880 mm of rain a year. This makes it wetter than 65% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 87% of listed buildings.

It experiences an average of 5 freeze-thaw cycles a year, fewer than 97% 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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  • No sale records on file
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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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  10. Clowance House Grade II 1.3 km