3 Mount 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.
3 Mount Street
- WRENN ID
- young-basalt-rush
- 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
- 3 Mount Street, Powys
- OS grid reference
- SO 045 287
- Coordinates
- 51.94892, -3.39012
- Source
- Cadw listing
Description
Nos 3 and 4 Mount Street are a pair of houses built above street level, set behind a narrow forecourt. The front is faced with blocks of stone arranged in regular courses, featuring cambered window heads. Each house has a twelve-pane sash window on both the first and ground floors, with a blind centre window on the first floor above which is a stone plaque located below the eaves. In the center of the ground floor, there is a four-panelled door leading to a passage, flanked on each side by a four-panelled house door. The forecourt wall is rendered.
Local climate
3 Mount 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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