13 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. House.
13 Castle Street
- WRENN ID
- strange-keystone-owl
- 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
- House
- Address
- 13 Castle Street, Powys, LD3 9BU
- OS grid reference
- SO 043 287
- Coordinates
- 51.94896, -3.39243
- Source
- Cadw listing
Description
13 Castle Street is an early to mid 19th century building with a street front that features three storeys and two windows. The exterior is finished in scribed stucco and topped with a slate roof, which is supported by a plinth. The windows have plain reveals, and on the second floor, there are Brecon hopper windows that are each three panes wide, positioned with their heads at eaves level. The first floor contains two 12-pane sash windows that do not have horns. On the ground floor to the left, there is a large horned sash window with an architrave that includes a cornice. To the right, there is a panelled door within a similar architrave, with the top two panels being glazed.
Local climate
13 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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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- 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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