Penralltgoch is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 24 April 1951. School.
Penralltgoch
- WRENN ID
- vast-pewter-lark
- Grade
- II
- Local Planning Authority
- Snowdonia National Park
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 24 April 1951
- Type
- School
- Address
- Penralltgoch, Llan Ffestiniog, Ffestiniog, Gwynedd
- OS grid reference
- SH 696 419
- Coordinates
- 52.95899, -3.94128
- Source
- Cadw listing
Description
Penralltgoch is an L-shaped school building constructed in 1829, originally serving as a village school and later becoming the residence of the renowned mathematician and philosopher Lord Bertrand Russell. The building is made of rubble and is topped with a slate roof. The main block runs parallel to the road and features a date plaque, while the later cross-wing is positioned at right angles to the road and consists of a single storey above a raised basement. The windows are modern 3-light designs. It is listed for its historic significance as an early 19th-century village school and its association with Bertrand Russell.
Local climate
Penralltgoch sits in one of the wettest parts of the UK, with an average of 1,370 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 93% of listed buildings.
It experiences an average of 49 freeze-thaw cycles a year, more than 90% of listed buildings. Of these, 29 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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