Boundary stone on A40 is a Grade II listed building in the Carmarthenshire local planning authority area, Wales. First listed on 8 July 2002. Boundary stone.
Boundary stone on A40
- WRENN ID
- riven-brick-mist
- Grade
- II
- Local Planning Authority
- Carmarthenshire
- Constituency
- Caerfyrddin MP: Ann Davies (PC)
- Country
- Wales
- Date first listed
- 8 July 2002
- Type
- Boundary stone
- Address
- Boundary stone on A40, Merthyr, Carmarthen, Newchurch and Merthyr
- OS grid reference
- SN 362 193
- Coordinates
- 51.84883, -4.37867
- Source
- Cadw listing
Description
The boundary stone on the A40 stands approximately 80 centimeters high and 55 centimeters wide. It is a single stone with a canted front and triangular-headed sides. The left side is marked with the words "Merthyr Parish," while the right side is marked with "St Peter Parish."
Local climate
Boundary stone on A40 sits in one of the wettest parts of the UK, with an average of 1,290 mm of rain a year. This makes it wetter than 94% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 96% of listed buildings.
It experiences an average of 18 freeze-thaw cycles a year, fewer than 82% of listed buildings. Of these, 7 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 EPC on record for this property
- No sale records on file
- 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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