Boundary stone SW of Werntoe is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 31 March 2005. Lock.

Boundary stone SW of Werntoe

WRENN ID
second-railing-soot
Grade
II
Local Planning Authority
Powys
Constituency
Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
Country
Wales
Date first listed
31 March 2005
Type
Lock
Address
Boundary stone SW of Werntoe, Llandefalle, Brecon, Felin-Fach
OS grid reference
SO 070 375
Coordinates
52.02829, -3.3557
Source
Cadw listing

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

Description

This is a round-topped boundary stone made of red sandstone, located southwest of Werntoe. It is inscribed with the initials 'A:M:L:' and the name 'Lord Ashburnham', along with the date '1815'.

Local climate

Boundary stone SW of Werntoe sits in one of the wettest parts of the UK, with an average of 1,170 mm of rain a year. This makes it wetter than 90% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 79% of listed buildings.

It experiences an average of 50 freeze-thaw cycles a year, more than 91% of listed buildings. Of these, 28 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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  1. Boundary stone on Llandyfalle Hill Grade II 482 m
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  3. Boundary stone NW of Pentrenewbury Grade II 1.1 km
  4. Boundary stone SE of Triffwrd Grade II 1.1 km
  5. Llaneglwys Isaf including attached barn to left Grade II 1.4 km
  6. Boundary stone E of Cae-common to W of field gate Grade II 1.6 km
  7. Old farmhouse at Wernddyfwg Grade II 1.7 km
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  10. Boundary stone to SE of Morfa Grade II 1.7 km