Outbuilding at the Olde Post Office is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 24 January 1995. Outbuilding.
Outbuilding at the Olde Post Office
- WRENN ID
- ragged-window-finch
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
- Country
- Wales
- Date first listed
- 24 January 1995
- Type
- Outbuilding
- Address
- Outbuilding at the Olde Post Office, 1 Garreg Bank, Trewern
- OS grid reference
- SJ 280 114
- Coordinates
- 52.69607, -3.06539
- Source
- Cadw listing
Description
The outbuilding at the Olde Post Office is a single-storey structure made of yellow brick, topped with a dark tile roof. The gable end that faces the road features a square turret with four gables and an elaborate iron windvane. On the east front, there is one small window and a door that opens onto a wide cobbled path with seven steps. To the west, there is a painted brick lean-to. At the rear, there is another small outbuilding that includes a door and a window, along with a terminal red brick stack.
Local climate
Outbuilding at the Olde Post Office receives an average of 840 mm of rain a year. This makes it wetter than 55% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 61% of listed buildings.
It experiences an average of 42 freeze-thaw cycles a year, more than 80% of listed buildings. Of these, 21 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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