Barn at Garth-goch is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 25 May 1999. Barn.
Barn at Garth-goch
- WRENN ID
- tilted-cobalt-elder
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 25 May 1999
- Type
- Barn
- Address
- Barn at Garth-goch, Garth-Lwyd, Llandderfel
- OS grid reference
- SH 999 377
- Coordinates
- 52.92816, -3.48972
- Source
- Cadw listing
Description
The barn at Garth-goch is a rectangular structure built from local stone, featuring a whitened bay on the left and a slate roof. The side facing the yard includes, starting from the left, a 4-pane 19th-century window, a nearly central doorway with stone steps and a wooden frame, and a square loading bay located under the eaves, along with a vent slit below. At the rear, the southern end has an outshut, and there are additional vent slits on the right gable end.
Inside, the barn has a three-bay layout, with an open two-bay section on the right and a byre bay on the left that includes a loft above. The interior features pegged oak kingpost trusses, and access to the loft is provided by a re-used domestic 19th-century stair.
Local climate
Barn at Garth-goch sits in a wetter-than-average part of the UK, with an average of 1,120 mm of rain a year. This makes it wetter than 88% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 74% of listed buildings.
It experiences an average of 54 freeze-thaw cycles a year, more than 95% of listed buildings. Of these, 34 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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