Farm building at Wern-gau is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 4 November 1999. Farm building.

Farm building at Wern-gau

WRENN ID
noble-bastion-elm
Grade
II
Local Planning Authority
Snowdonia National Park
Constituency
Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
Country
Wales
Date first listed
4 November 1999
Type
Farm building
Address
Farm building at Wern-gau, Llanymawddwy, Mawddwy, Gwynedd
OS grid reference
SH 907 190
Coordinates
52.75795, -3.62058
Source
Cadw listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

The farm building at Wern-gau is a 19th-century structure built of local rubble stonework, topped with a thick small slate roof. It is situated on higher ground close to the river. The building features a 3-bay barn with a small central stable door that is hung on a heavy frame, and there is a single ventilation slit on each side. At the upper end of the barn, there is a 2-bay lofted stable, with its eastern front set back from the barn's front wall. This stable has a single stable door and two small square openings above it, along with an access door in the end gable, located just above ground level. Additionally, there is a stone and corrugated iron roofed lean-to added to the lower end of the barn, and a small opening or owl-hole positioned high in the gable of the barn. Inside, the barn is supported by two 19th-century king-post trusses that hold up the purlins.

Local climate

Farm building at Wern-gau sits in one of the wettest parts of the UK, with an average of 1,190 mm of rain a year. This makes it wetter than 91% 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 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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  • Detailed attributes — period, style, materials, features
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  • Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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