Pigsty & Brewhouse range at Gwern Einion is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 23 May 2003. Brewhouse and pigsty.
Pigsty & Brewhouse range at Gwern Einion
- WRENN ID
- noble-moat-rush
- Grade
- II
- Local Planning Authority
- Snowdonia National Park
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 23 May 2003
- Type
- Brewhouse and pigsty
- Address
- Pigsty & Brewhouse range at Gwern Einion, Llanfair, Gwynedd
- OS grid reference
- SH 590 286
- Coordinates
- 52.83658, -4.09406
- Source
- Cadw listing
Description
The Pigsty and Brewhouse range at Gwern Einion is a lofted brewhouse flanked by gabled pigsty units, with a lean-to addition on the left side of the front gable of the brewhouse and a modern lean-to at the northwest corner made of profiled metal. The structure is built from roughly coursed rubble masonry, featuring large stones used as quoins and lintels. The roofs are covered with small slates arranged in diminishing courses, with tiled ridges; the brewhouse has a prominent stone stack with capping at the rear gable on the east side. Access to the brewhouse is through a single doorway with a large stone lintel located to the right of the front gable, while a small window is positioned to the left above a later lean-to addition. The flanking pigsty ranges also have rubble walls. The interior could not be inspected during the survey.
Local climate
Pigsty & Brewhouse range at Gwern Einion sits in one of the wettest parts of the UK, with an average of 1,460 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 31 freeze-thaw cycles a year, fewer than 62% of listed buildings. Of these, 14 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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