Out-kitchen and pigsty at Groes Las is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 24 October 2003. Out-kitchen, pigsty.
Out-kitchen and pigsty at Groes Las
- WRENN ID
- inner-grate-jet
- Grade
- II
- Local Planning Authority
- Snowdonia National Park
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 24 October 2003
- Type
- Out-kitchen, pigsty
- Address
- Out-kitchen and pigsty at Groes Las, Llanfair, Gwynedd
- OS grid reference
- SH 577 297
- Coordinates
- 52.84686, -4.11368
- Source
- Cadw listing
Description
The building at Groes Las is likely an outside kitchen that may have originally included a pigsty. It is a single-storey structure built against a slope, featuring rubble walls and a random slate roof with boulder copings on the gables. There is a stack on the lower gable. The doorway is located towards the centre and has a date and the initials D.P.G. inscribed on the lintel, with a tiny window to its right. The pigsty occupies the left section of the building and is accessed at a higher level through a doorway in the upper gable end. Adjacent to the building are the rough remains of an enclosed yard.
Inside, there is a fireplace with an oven next to it at the gable end. A crude pegged collar-beam truss is partly supported by a rough stone wall that separates the kitchen from the pigsty at the higher level. This wall appears to have been added later, although the internal division may have been present from the beginning.
Local climate
Out-kitchen and pigsty at Groes Las 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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