Boundary stone on bridge is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 25 February 1999. Boundary stone.

Boundary stone on bridge

WRENN ID
rusted-kitchen-jackdaw
Grade
II
Local Planning Authority
Brecon Beacons National Park
Constituency
Caerfyrddin MP: Ann Davies (PC)
Country
Wales
Date first listed
25 February 1999
Type
Boundary stone
Address
Boundary stone on bridge, Halfway, Llandovery, Llanfair-Ar-Y-Bryn, Carmarthenshire
OS grid reference
SN 829 328
Coordinates
51.98188, -3.70618
Source
Cadw listing

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

Description

This is a boundary stone located on a bridge. It features a stone plaque set into the parapet. At the top of the plaque, there are two opposing hands carved into the stone. Below these hands, there are two inscriptions. On the left side, it reads: "Brecknock Parish Shire (sic) Parish of Llywel MANOR OF BRECON." On the right side, it states: "Carmarthen Shire Parish of Myddfe."

Local climate

Boundary stone on bridge sits in one of the wettest parts of the UK, with an average of 1,350 mm of rain a year. This makes it wetter than 96% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 89% of listed buildings.

It experiences an average of 48 freeze-thaw cycles a year, more than 89% of listed buildings. Of these, 27 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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  • Full EPC report — heating system, energy costs, size, glazing, construction etc.
  • Sale history — 2 transactions since 2000
  • No related consent applications matched
  • 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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