Boundary Stone at SW 508361 is a Grade II listed building in the Cornwall local planning authority area, England. Boundary stone.

Boundary Stone at SW 508361

WRENN ID
second-keystone-dawn
Grade
II
Local Planning Authority
Cornwall
Constituency
St Ives MP: Andrew George (LD)
Country
England
Type
Boundary stone
Address
Boundary Stone at SW 508361, Ludgvan
OS grid reference
SW 508 361
Coordinates
50.17313, -5.4906
Source
Historic England listing

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

Description

The boundary stone, located at SW 508361, is a Grade II listed structure, possibly marking mineral (tin) rights. It likely dates from the late 18th century or early 19th century. This round-headed granite monolith features incised letters on two sides: the letter "B" on the southwest side and the letter "P" on the northeast side.

Local climate

Boundary Stone at SW 508361 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 91% of listed buildings.

It experiences an average of 4 freeze-thaw cycles a year, fewer than 98% of listed buildings. Of these, 1 follows 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 EPC on record for this property
  • No sale records on file
  • No related consent applications matched
  • 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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