Boundary Stone at Sw666290 is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 17 June 1988. Boundary stone.

Boundary Stone at Sw666290

WRENN ID
other-minaret-quill
Grade
II
Local Planning Authority
Cornwall
Constituency
St Ives MP: Andrew George (LD)
Country
England
Date first listed
17 June 1988
Type
Boundary stone
Address
Boundary Stone at Sw666290, Wendron
OS grid reference
SW 665 290
Coordinates
50.11517, -5.26668
Source
Historic England listing

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

Description

This is a boundary stone dating from the early 19th century. It has been resited due to a changed boundary in the 20th century. The stone is a round-headed monolith made of dressed granite and has a rectangular plan. The front of the stone is incised with the letters "HB," which stand for Helston Boundary.

Local climate

Boundary Stone at Sw666290 receives an average of 870 mm of rain a year. This makes it wetter than 63% 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 3 freeze-thaw cycles a year, fewer than 99% 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 0.2°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 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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