Field Barn at Gerddi Bluog is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 30 November 1966. Barn.
Field Barn at Gerddi Bluog
- WRENN ID
- stark-trefoil-bracken
- Grade
- II
- Local Planning Authority
- Snowdonia National Park
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 30 November 1966
- Type
- Barn
- Address
- Field Barn at Gerddi Bluog, Llanfair, Gwynedd
- OS grid reference
- SH 621 310
- Coordinates
- 52.85892, -4.04941
- Source
- Cadw listing
Description
The Field Barn at Gerddi Bluog is a building constructed from coursed boulders, resting on large boulder foundations. It features large stones used as quoins and lintels. The roof is made of profiled iron and has stone copings. There is a central doorway in the east gable and a pitching hole located at the apex of the west gable.
Local climate
Field Barn at Gerddi Bluog sits in one of the wettest parts of the UK, with an average of 1,450 mm of rain a year. This makes it wetter than 98% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 96% of listed buildings.
It experiences an average of 36 freeze-thaw cycles a year, more than 60% of listed buildings. Of these, 18 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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