St Cadfan's Well is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 31 December 2002. Well.

St Cadfan's Well

WRENN ID
twisted-chamber-river
Grade
II
Local Planning Authority
Powys
Constituency
Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
Country
Wales
Date first listed
31 December 2002
Type
Well
Address
St Cadfan's Well, Llangadfan, Banwy
OS grid reference
SJ 011 104
Coordinates
52.68263, -3.46437
Source
Cadw listing

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

Description

St Cadfan's Well is a small rectangular structure with three sides, built from local roughly dressed stone. It encloses a shallow pool, and the front opening stands a little over 1 meter high, featuring steps that lead down to the water. The top of the structure is covered with slabs.

Local climate

St Cadfan's Well sits in a wetter-than-average part of the UK, with an average of 1,110 mm of rain a year. This makes it wetter than 88% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 80% of listed buildings.

It experiences an average of 48 freeze-thaw cycles a year, more than 90% of listed buildings. Of these, 28 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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  • 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. Pont Llangadfan Grade II 106 m
  2. Church of St Cadfan Grade II 108 m
  3. Lychgate of St Cadfan's Church Grade II 116 m
  4. Detached Outbuildings Range at Rhiwlas (former Rectory) Grade II 264 m
  5. Rhiwlas (former Rectory) with open-sided Coach-shed to north-west Grade II 276 m
  6. Cann Office Hotel Grade II 298 m
  7. Pont Rhyd-yr-efail (partly in the community of Llanerfyl) Grade II 724 m
  8. Milestone on B4395 near Glanaber Grade II 745 m
  9. Milestone Grade II 901 m
  10. The Miller's Cottage Grade II 1.2 km