23 Castle Street is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 16 December 1976. Bank.
23 Castle Street
- WRENN ID
- distant-gateway-foxglove
- 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
- Bank
- Address
- 23 Castle Street, Powys
- OS grid reference
- SO 044 287
- Coordinates
- 51.94868, -3.39182
- Source
- Cadw listing
Description
Nos 23 and 23a Castle Street is a three-storey building with a stucco front featuring six windows. It has a higher eaves level compared to the adjacent No 22 Castle Street. The building includes bands at the eaves, as well as at the second and first floor levels, and has pilaster strips at the ends.
No 23 has hornless sash windows, with two square six-pane sashes on the second floor and two twelve-pane sashes on the first floor. On the ground floor, there is a plate glass former shop window on the right side. To the left, there is a flat-arched doorway with architrave panelled reveals, a half-glazed panelled door, and a rectangular fanlight featuring rectilinear tracery.
Local climate
23 Castle Street sits in one of the wettest parts of the UK, with an average of 1,260 mm of rain a year. This makes it wetter than 93% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 82% of listed buildings.
It experiences an average of 56 freeze-thaw cycles a year, more than 96% 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
- 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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