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

Boundary stone SE of Triffwrd

WRENN ID
proud-belfry-auburn
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
Boundary stone
Address
Boundary stone SE of Triffwrd, Llandefalle, Brecon, Felin-Fach
OS grid reference
SO 081 372
Coordinates
52.0256, -3.33994
Source
Cadw listing

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

Description

This is a boundary stone made of red sandstone, featuring a round top. It is inscribed with the initials 'A:M:L: Lord Ashburnham' and the date '1815'.

Local climate

Boundary stone SE of Triffwrd sits in a wetter-than-average part of the UK, with an average of 1,100 mm of rain a year. This makes it wetter than 87% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 74% of listed buildings.

It experiences an average of 52 freeze-thaw cycles a year, more than 93% of listed buildings. Of these, 30 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 NW of Pentrenewbury Grade II 278 m
  2. Boundary stone to SE of Morfa Grade II 889 m
  3. Boundary stone on Llandyfalle Hill Grade II 1.1 km
  4. Boundary stone SW of Werntoe Grade II 1.1 km
  5. Boundary stone E of Cae-common to W of field gate Grade II 1.2 km
  6. Boundary stone E of Cae-common to E of field gate Grade II 1.2 km
  7. Old farmhouse at Wernddyfwg Grade II 1.3 km
  8. Barn range at Wernddyfwg Grade II 1.3 km
  9. Boundary stone N of Nant Dulas Grade II 1.4 km
  10. Llaneglwys Isaf including attached barn to left Grade II 2.4 km