Milestone on A470 is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 29 November 2004. Milestone.

Milestone on A470

WRENN ID
turning-dormer-hyssop
Grade
II
Local Planning Authority
Powys
Constituency
Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
Country
Wales
Date first listed
29 November 2004
Type
Milestone
Address
Milestone on A470, Cwmbach Llechryd, Disserth and Trecoed
OS grid reference
SO 022 553
Coordinates
52.18773, -3.43164
Source
Cadw listing

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

Description

This is a freestone mile marker located on the A470. The marker features chamfered upper corners and has faded white paint with black-painted letters. It indicates the distance to Rhayader as well as Builth, which is 3½ miles away.

Local climate

Milestone on A470 sits in a wetter-than-average part of the UK, with an average of 1,070 mm of rain a year. This makes it wetter than 86% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 75% of listed buildings.

It experiences an average of 50 freeze-thaw cycles a year, more than 91% 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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Nearby listed buildings

  1. Tyncoed Grade II 1.3 km
  2. Barn and cow house at Tyncoed Grade II 1.3 km
  3. Church of St John Grade II 1.3 km
  4. Pont ar Ithon, (partly in Llanyre) Grade II 1.9 km
  5. Milestone on A483 Grade II 2.0 km
  6. Pont ar Ithon, (partly in Disserth and Trecoed) Grade II 2.0 km
  7. Pair of milestones on A483 Grade II 2.4 km
  8. Pencerrig Gardens Hotel Grade II 2.5 km
  9. Milestone on A470 Grade II 2.7 km
  10. Church of All Saints Grade II 2.8 km