Parish Boundary Stone at SW 728 437 (Between Original Gwennap and Chacewater Parishes) is a Grade II listed building in the Cornwall local planning authority area, England. Boundary stone.

Parish Boundary Stone at SW 728 437 (Between Original Gwennap and Chacewater Parishes)

WRENN ID
scarred-belfry-storm
Grade
II
Local Planning Authority
Cornwall
Constituency
Truro and Falmouth MP: Jayne Kirkham (Lab)
Country
England
Type
Boundary stone
OS grid reference
SW 728 437
Coordinates
50.25022, -5.18734
Source
Historic England listing

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

Description

The parish boundary stone, located on the north side of a gateway at SW 728 437, dates from the early 19th century. It is a roughly-hewn granite monolith inscribed with the number 27. This stone also marked the mineral rights of local landowners. It is one of four similar stones listed and is included in the listings for the parishes of Chacewater, Gwennap, and Kenwyn in the District of Carrick.

Local climate

Parish Boundary Stone at SW 728 437 (Between Original Gwennap and Chacewater Parishes) receives an average of 920 mm of rain a year. This makes it wetter than 70% 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, 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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  • 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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Nearby listed buildings

  1. Parish Boundary Stone at SW 728438 SW (Between Original Chacewater and Gwennap Parishes) Grade II 10 m
  2. Parish Boundary Stone at SW 728 437 (Between Original Gwennap and Chacewater Parishes) Grade II 10 m
  3. Parish Boundary Stone at SW 728437 SW (Between Original Chacewater and Gwennap Parishes) Grade II 99 m
  4. Killifreth Farmhouse Grade II 137 m
  5. Parish Boundary Stone at SW 729 436 (Between Original Gwennap and Chacewater Parishes) Grade II 150 m
  6. Tregullow House Grade II 179 m
  7. Milepost on West Side of B3298 at SW 727 439 Grade II 192 m
  8. Tregullow Cottage at SW 730 435 Grade II 255 m
  9. Zimapan House Grade II 266 m
  10. Woodcot House Grade II 272 m