Gwern Goch is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 21 August 1995. House.
Gwern Goch
- WRENN ID
- tired-ledge-yarrow
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
- Country
- Wales
- Date first listed
- 21 August 1995
- Type
- House
- Address
- Gwern Goch, Garthmyl, Berriew
- OS grid reference
- SO 179 993
- Coordinates
- 52.58536, -3.21246
- Source
- Cadw listing
Description
Gwern Goch is a timber-framed building featuring square panels and some tension bracing, topped with a slate roof. It has a central stack with four octagonal shafts supported by a heavy square base, which is typical of the Vaynor Estate design. The building has a two-unit plan, with a doorway located in a timber-framed porch next to the right-hand gable. It includes two 2-light casement windows, each with canopy hoods that are characteristic of the Vaynor Estate. Additionally, there is a wide central dormer that has paired similar windows.
Local climate
Gwern Goch receives an average of 900 mm of rain a year. This makes it wetter than 67% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 58% of listed buildings.
It experiences an average of 42 freeze-thaw cycles a year, more than 81% of listed buildings. Of these, 23 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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