Tyn-y-Llwyn is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 20 July 1995. Townhouse.
Tyn-y-Llwyn
- WRENN ID
- roaming-newel-auburn
- Grade
- II
- Local Planning Authority
- Snowdonia National Park
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 20 July 1995
- Type
- Townhouse
- Address
- Tyn-y-Llwyn, Cwm-Yr-Whin, Llanelltyd, Gwynedd
- OS grid reference
- SH 710 213
- Coordinates
- 52.7746, -3.91353
- Source
- Cadw listing
Description
Tyn-y-Llwyn is a storied farmhouse built in the third quarter of the 17th century, featuring an L-shaped design and some cosmetic alterations from the second quarter of the 18th century. The structure is made of coursed, rough-dressed rubble and is set into the gentle slope of the hill to the west, where it has been rock-cut. It has a slate roof with rubble kneelered gable parapets and tall chimneys that have moulded capping and weather-coursing.
The near-centre entrance features a 19th-century boarded door with re-used ironwork hinges. There are flanking 4-pane early 20th-century casement windows, along with three additional similar windows located under the eaves. The rear arm of the farmhouse, which has a rubble parapet and chimney similar to the front, is in a ruinous condition.
Although this building was not inspected during the survey in March 1995, it is believed to retain a good 18th-century dog-leg stair, contemporary panelled doors, and post-and-partition screens.
Local climate
Tyn-y-Llwyn 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 39 freeze-thaw cycles a year, more than 74% of listed buildings. Of these, 21 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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