The Green Stone is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 29 August 2003. Monument.

The Green Stone

WRENN ID
crumbling-joist-clover
Grade
II
Local Planning Authority
Powys
Constituency
Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
Country
Wales
Date first listed
29 August 2003
Type
Monument
Address
The Green Stone, Green-Ucha, Llanrhaeadr-Ym-Mochnant
OS grid reference
SJ 125 259
Coordinates
52.82353, -3.29933
Source
Cadw listing

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

Description

The Green Stone is a stone monument approximately 2 meters tall. It has a slightly rounded face on the east side, which features the inscription 'Viatorum solatio et commoditat... / A Salop / XXVI / A Lond / CLXXX / L'. On the rear, there is a square inscription that reads 'H P vic P / MDCCLXX'.

Local climate

The Green Stone sits in a wetter-than-average part of the UK, with an average of 960 mm of rain a year. This makes it wetter than 75% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 61% of listed buildings.

It experiences an average of 45 freeze-thaw cycles a year, more than 86% of listed buildings. Of these, 25 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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  • Detailed attributes — period, style, materials, features
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  • 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. Honeysuckle Cottage (Former Master's House of Llanrhaiadr National School) Grade II 12 m
  2. Milestone at Green Ucha Grade II 21 m
  3. Former National School Grade II 22 m
  4. Llys Morgan (The Old Vicarage) Grade II 135 m
  5. Stable-yard outbuilding at Llys Morgan Grade II 148 m
  6. Stables at Llys Morgan (former vicarage) Grade II 154 m
  7. Coach-shed at Llys Morgan Grade II 157 m
  8. Parish War Memorial at St Dogfan's Church with surrounding railed enclosure. Grade II 182 m
  9. 7 Park Street including railings at front Grade II 184 m
  10. 8 Park Street including railings at front Grade II 185 m