Carthouse SW of Glyn Lledr is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 17 February 1997. Carthouse.
Carthouse SW of Glyn Lledr
- WRENN ID
- spare-step-dew
- Grade
- II
- Local Planning Authority
- Snowdonia National Park
- Constituency
- Bangor Aberconwy MP: Claire Hughes (Lab)
- Country
- Wales
- Date first listed
- 17 February 1997
- Type
- Carthouse
- Address
- Carthouse SW of Glyn Lledr, Pont Gethin, Dolwyddelan, Conwy
- OS grid reference
- SH 779 535
- Coordinates
- 53.06502, -3.82262
- Source
- Cadw listing
Description
The carthouse located southwest of Glyn Lledr is a late 18th-century structure built from rubble with a slate roof, and it is partly in ruins. The building features crude kneelers at the gables and a rubble plinth. It has two bays with plain openings and chamfered wooden openings, as well as upper loading bays on both gable sides.
Inside, there is a two-bay pegged upper cruck truss, which is an unusually late example for the region. The presence of joist holes suggests there was once a loft floor. On either side of the twin entrances, there are square niches.
Local climate
Carthouse SW of Glyn Lledr sits in one of the wettest parts of the UK, with an average of 1,200 mm of rain a year. This makes it wetter than 91% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 84% of listed buildings.
It experiences an average of 45 freeze-thaw cycles a year, more than 86% of listed buildings. Of these, 27 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.2°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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