Milepost to N of Tan-y-penmaen is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 30 December 2004. Milepost.

Milepost to N of Tan-y-penmaen

WRENN ID
seventh-bonework-peregrine
Grade
II
Local Planning Authority
Snowdonia National Park
Constituency
Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
Country
Wales
Date first listed
30 December 2004
Type
Milepost
Address
Milepost to N of Tan-y-penmaen, Glyn Cywarch, Talsarnau, Gwynedd
OS grid reference
SH 600 336
Coordinates
52.88207, -4.08171
Source
Cadw listing

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

Description

This is a cast iron milepost located to the north of Tan-y-penmaen. It has a triangular shape, being wider at the top, with a sloping head. The front panels display names and distances: "BLAENAU / FFESTINIOG / 11" on the left side and "HARLECH / 3" on the right side.

Local climate

Milepost to N of Tan-y-penmaen sits in one of the wettest parts of the UK, with an average of 1,490 mm of rain a year. This makes it wetter than 98% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 97% of listed buildings.

It experiences an average of 32 freeze-thaw cycles a year, fewer than 60% of listed buildings. Of these, 15 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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Nearby listed buildings

  1. Tan-y-penmaen Grade II 117 m
  2. Brewhouse at Tan-y-penmaen Grade II 133 m
  3. Outhouse at Tan-y-penmaen Grade II 136 m
  4. Tower at Glyn Cywarch Grade II 600 m
  5. Glyn Cottage Grade II 862 m
  6. Y Lasynys Fawr including Brewhouse Block and Revettment Wall Grade II 950 m
  7. Walled garden at Glyn Cywarch Grade II 1.0 km
  8. Milestone Grade II 1.0 km
  9. Glyn Cywarch Grade II* 1.0 km
  10. Gatehouse at Glyn Cywarch Grade II* 1.1 km