Milestone on A 470 N of Beacons Reservoir is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 22 June 2005. Milestone.

Milestone on A 470 N of Beacons Reservoir

WRENN ID
high-porch-moss
Grade
II
Local Planning Authority
Brecon Beacons National Park
Constituency
Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
Country
Wales
Date first listed
22 June 2005
Type
Milestone
Address
Milestone on A 470 N of Beacons Reservoir, Storey Arms, Glyn Tarell, Powys
OS grid reference
SN 987 194
Coordinates
51.86448, -3.47147
Source
Cadw listing

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

Description

This is a milestone located on the A470 north of Beacons Reservoir. It is made of white-painted sandstone and features black painted lettering that reads 'TO BRECON 9 miles'.

Local climate

Milestone on A 470 N of Beacons Reservoir sits in one of the wettest parts of the UK, with an average of 1,330 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 86% of listed buildings.

It experiences an average of 55 freeze-thaw cycles a year, more than 95% of listed buildings. Of these, 32 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
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  • 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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  1. Telephone Call-box below Mountain Rescue Post at pass over Brecon Beacons (01874 622300) Grade II 1.0 km
  2. Beacons Reservoir Dam including draw-off tower, bridge and spillway Grade II 1.2 km
  3. Milestone on A 470 Grade II 2.6 km
  4. Blaenglyn Grade II 3.5 km
  5. Cow-byre on E side of yard at Blaenglyn Grade II 3.5 km
  6. Outbuilding on W side of yard at Blaenglyn Grade II 3.5 km
  7. Milestone on A 470 Grade II 3.9 km
  8. Former house opposite Ty Mawr Grade II 4.1 km
  9. Ty Mawr Grade II 4.1 km
  10. Cantref Reservoir dam, including valve house, draw-off tower and spillway, (partly in Hirwaun) Grade II 4.1 km