Milepost is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 13 April 2005. Milepost.

Milepost

WRENN ID
noble-step-alder
Grade
II
Local Planning Authority
Snowdonia National Park
Constituency
Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
Country
Wales
Date first listed
13 April 2005
Type
Milepost
Address
Milepost, Llanaber, Dyffryn Ardudwy, Gwynedd
OS grid reference
SH 594 199
Coordinates
52.75911, -4.08414
Source
Cadw listing

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

Description

This is a cast iron milepost with a triangular shape, which is wider at the top. It features a sloping head and has facing panels that display the names and distances: "HARLECH / 7" on the left side and "BARMOUTH / 3" on the right side.

Local climate

Milepost sits in one of the wettest parts of the UK, with an average of 1,460 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 96% of listed buildings.

It experiences an average of 31 freeze-thaw cycles a year, fewer than 62% of listed buildings. Of these, 14 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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  5. Barn to NW of Old House Grade II 359 m
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  9. Plas Canol Grade II* 1.1 km
  10. Secondary House at Plas Canol ('The Bothy') Grade II 1.1 km