Mile Post is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 1 February 1996. School.
Mile Post
- WRENN ID
- little-mortar-mist
- Grade
- II
- Local Planning Authority
- Snowdonia National Park
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 1 February 1996
- Type
- School
- Address
- Mile Post, Blaenau Ffestiniog, Ffestiniog, Gwynedd
- OS grid reference
- SH 706 453
- Coordinates
- 52.98949, -3.92794
- Source
- Cadw listing
Description
This is a cast iron milepost from the second half of the 19th century, featuring a triangular shape. The south face displays raised lettering that reads "Blaenau Ffestiniog," while the north face indicates "Harlech 14." There are no visible foundry marks on the milepost. It is listed for its historical significance as a well-preserved example of a 19th-century milepost located prominently by the roadside.
Local climate
Mile Post sits in one of the wettest parts of the UK, with an average of 1,370 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 93% of listed buildings.
It experiences an average of 49 freeze-thaw cycles a year, more than 90% of listed buildings. Of these, 29 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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