Mile Post is a Grade II listed building in the Merthyr Tydfil local planning authority area, Wales. First listed on 12 November 2002. Mile post.
Mile Post
- WRENN ID
- haunted-jamb-heath
- Grade
- II
- Local Planning Authority
- Merthyr Tydfil
- Constituency
- Merthyr Tydfil and Aberdare MP: Gerald Jones (Lab)
- Country
- Wales
- Date first listed
- 12 November 2002
- Type
- Mile post
- Address
- Mile Post, Dowlais
- OS grid reference
- SO 071 079
- Coordinates
- 51.76207, -3.34646
- Source
- Cadw listing
Description
This is a mile post made of black painted cast iron, shaped like a triangle with a sloping top. The top features the raised lettering 'ABERGAVENNY 17 1/4'. The left side displays 'RHYDY-BLEW 7 MILES', while the right side shows 'MERTHYR 2 MILES', both in similar raised lettering.
Local climate
Mile Post sits in one of the wettest parts of the UK, with an average of 1,200 mm of rain a year. This makes it wetter than 91% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 80% of listed buildings.
It experiences an average of 54 freeze-thaw cycles a year, more than 95% 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 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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