Boundary Stone at Ngr Ny 97305443 is a Grade II listed building in the Northumberland local planning authority area, England. First listed on 18 June 1986. A Georgian Boundary stone.

Boundary Stone at Ngr Ny 97305443

WRENN ID
nether-gable-acorn
Grade
II
Local Planning Authority
Northumberland
Constituency
Hexham MP: Joe Morris (Lab)
Country
England
Date first listed
18 June 1986
Type
Boundary stone
Period
Georgian
Address
Boundary Stone at Ngr Ny 97305443, Healey
OS grid reference
NY 972 544
Coordinates
54.88457, -2.04371
Source
Historic England listing

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

Description

This boundary stone, likely from the 18th century, is located at Healey Wonnoshill Common, now partly within Slaley Forest. It is made of sandstone and stands 1.0 metre high, featuring an incised letter "B" on the west side and a "C" on the east side. The stone marks the boundary between Healey and Slaley.

Local climate

Boundary Stone at Ngr Ny 97305443 receives an average of 910 mm of rain a year. This makes it wetter than 69% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 85% of listed buildings.

It experiences an average of 52 freeze-thaw cycles a year, more than 93% of listed buildings. Of these, 33 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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