Priory Well is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 16 December 1976. Well.

Priory Well

WRENN ID
unlit-postern-moon
Grade
II
Local Planning Authority
Brecon Beacons National Park
Constituency
Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
Country
Wales
Date first listed
16 December 1976
Type
Well
Address
Priory Well, Powys
OS grid reference
SO 045 290
Coordinates
51.95181, -3.39067
Source
Cadw listing

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

Description

Priory Well is a rectangular basin made of stone walls, which are particularly high on the west and north sides. The northern wall features three small rectangular channels that allow water to flow into the basin from a channel with a stone gutter. Steps lead down to the well's basin from the southern side, and there is a small area of cobbles to the south.

Local climate

Priory Well sits in one of the wettest parts of the UK, with an average of 1,170 mm of rain a year. This makes it wetter than 90% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 79% of listed buildings.

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