Block 4 (RMP Office) is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 16 December 1976. House.
Block 4 (RMP Office)
- WRENN ID
- worn-sill-bistre
- 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
- Block 4 (RMP Office), Powys, LD3 7ED
- OS grid reference
- SO 049 282
- Coordinates
- 51.94478, -3.38389
- Source
- Cadw listing
Description
This is a two-storey red brick building with a high basement, built in the 19th century. It features a hipped slate roof with a shallow pitch and deep eaves, along with end chimneys. The upper floor has five 9-pane hornless sash windows, and there is a stone band at sill level. The main floor contains 12-pane hornless sash windows, each with stone sills. A double flight of steps with iron railings leads up to the central doorway. The basement has squarish doorways aligned with the windows above, and there is a similar doorway located under the stairs.
Local climate
Block 4 (RMP Office) 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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