Pen-y-garreg is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 10 April 2000. Farmhouse.
Pen-y-garreg
- WRENN ID
- solemn-thatch-tallow
- Grade
- II
- Local Planning Authority
- Snowdonia National Park
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 10 April 2000
- Type
- Farmhouse
- Address
- Pen-y-garreg, Abergynolwyn, Tywyn, Llanfihangel-Y-Pennant, Gwynedd
- OS grid reference
- SH 674 072
- Coordinates
- 52.64682, -3.96005
- Source
- Cadw listing
Description
Pen-y-garreg is a farmhouse with associated farm buildings arranged in a line. The house is constructed from slate rubble and is whitewashed, featuring an old irregularly shaped slate roof. The roof continues in modern slate over the former farm building that is aligned with the house. The gables are slate coped, and the ridges are made of blue clayware. The farmhouse is two storeys high and consists of two bays, with a parlour on the left and a kitchen on the right. The front is symmetrical, featuring a central boarded door with a narrow overlight, flanked by late 19th-century four-pane sash windows on either side and one above the door on the first floor. There are gable stacks present. The living space has been extended into the former farm building attached to the east, which is one storey with an attic. The front wall of this building has been largely rebuilt in concrete blockwork and features two stable-type doors. Access to the loft is from the rear. On the west gable end, there is an added stone and slated lean-to that was formerly a washhouse, which has a stone stack on the rear wall, along with a boarded door and a timber window. The property was not accessible at the time of inspection.
Local climate
Pen-y-garreg sits in one of the wettest parts of the UK, with an average of 1,360 mm of rain a year. This makes it wetter than 96% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 94% of listed buildings.
It experiences an average of 25 freeze-thaw cycles a year, fewer than 73% of listed buildings. Of these, 10 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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