Boundary Stone at SW 463344 is a Grade II listed building in the Cornwall local planning authority area, England. Boundary stone.
Boundary Stone at SW 463344
- WRENN ID
- ragged-solder-dawn
- Grade
- II
- Local Planning Authority
- Cornwall
- Constituency
- St Ives MP: Andrew George (LD)
- Country
- England
- Type
- Boundary stone
- Address
- Boundary Stone at SW 463344, Madron
- OS grid reference
- SW 461 344
- Coordinates
- 50.15567, -5.55585
- Source
- Historic England listing
Description
The boundary stone located at SW 463344 in Madron is a Grade II listed structure, dating from the late 18th century or early 19th century. This roughly-hewn granite monolith is possibly tin bound and marks the boundary of mineral rights. It features the letter B incised on the north side, along with an Ordnance Survey bench mark underneath.
Local climate
Boundary Stone at SW 463344 sits in a wetter-than-average part of the UK, with an average of 970 mm of rain a year. This makes it wetter than 75% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 96% of listed buildings.
It experiences an average of 1 freeze-thaw cycle a year, fewer than 99% of listed buildings. 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
- 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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