Well house to St Gynidr's Well is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 18 January 1996. Farmhouse.

Well house to St Gynidr's Well

WRENN ID
final-solder-oak
Grade
II
Local Planning Authority
Powys
Constituency
Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
Country
Wales
Date first listed
18 January 1996
Type
Farmhouse
Address
Well house to St Gynidr's Well, Ffynnon Gynnydd, Glasbury
OS grid reference
SO 164 412
Coordinates
52.06363, -3.22074
Source
Cadw listing

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

Local climate

Well house to St Gynidr's Well receives an average of 950 mm of rain a year. This makes it wetter than 74% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 58% of listed buildings.

It experiences an average of 51 freeze-thaw cycles a year, more than 92% 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. Farm building at Pen-y-waun farm Grade II 1.2 km
  2. Maesyronnen United Reformed Chapel Grade I 1.3 km
  3. Maesllwch Castle Grade II 1.3 km
  4. Glasbury Methodist Church Grade II 1.7 km
  5. East Lodge to Maesllwch Castle Grade II 1.7 km
  6. Gate piers, gates and screen to the E drive of Maesllwch Castle Grade II 1.7 km
  7. Granary and carthouse at Penwern farm Grade II 1.7 km
  8. Penwern Grade II 1.7 km
  9. Clynheddwch Grade II 1.7 km
  10. Stables and Coachhouse at Glan Hen Wye Grade II 1.8 km