Tan-y-penmaen is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 30 December 2004. Farmhouse.
Tan-y-penmaen
- WRENN ID
- tangled-belfry-winter
- Grade
- II
- Local Planning Authority
- Snowdonia National Park
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 30 December 2004
- Type
- Farmhouse
- Address
- Tan-y-penmaen, Glyn Cywarch, Talsarnau, Gwynedd
- OS grid reference
- SH 600 335
- Coordinates
- 52.88101, -4.08175
- Source
- Cadw listing
Description
Tan-y-penmaen is a two-storey, three-window farmhouse with a single-storey agricultural range attached to the left (south) end and a single-pitched roof addition at the north. It is constructed of mortared rubble masonry that includes large stones used in the walls, quoins, and lintels. The farmhouse features a slate roof with stone coping at the south gable, and has narrow rectangular rendered gable stacks with dripstones and capping.
The house displays a good Georgian vernacular character, with a slightly offset facade. It has a boarded door located beneath a shallow overlight with glazing bars, and the windows are 16-pane hornless sashes with slate sills. The agricultural wing has its doorway offset to the right (north), with a single window to the right and three windows to the left; these windows are 8-pane casements above shutter ventilators. The single-pitched roof addition at the north gable has two wide boarded doors in the north wall.
The interior was not inspected during the survey.
Local climate
Tan-y-penmaen sits in one of the wettest parts of the UK, with an average of 1,490 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 97% of listed buildings.
It experiences an average of 32 freeze-thaw cycles a year, fewer than 60% of listed buildings. Of these, 15 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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