Llainfadyn is a Grade II listed building in the Cardiff local planning authority area, Wales. First listed on 6 October 1977. House.
Llainfadyn
- WRENN ID
- forbidden-spindle-spindle
- Grade
- II
- Local Planning Authority
- Cardiff
- Constituency
- Cardiff West MP: Mr Alex Barros-Curtis (Lab)
- Country
- Wales
- Date first listed
- 6 October 1977
- Type
- House
- Address
- Llainfadyn, Museum of Welsh Life, St Fagans, St. Fagans
- OS grid reference
- ST 114 772
- Coordinates
- 51.48753, -3.27612
- Source
- Cadw listing
Description
Llainfadyn is a cottage with whitewashed walls made of stone boulders, built directly on the ground with a thicker base for the foundation. It features a slate gabled roof with a stone chimney at the north-east end. The front, or north-west elevation, has a square-headed doorway and a small sash window with glazing bars located to the north-east of the doorway. There is also a second small window in the rear wall. The cottage is surrounded by a garden with low walls.
Inside, there is an open fireplace with an alcove and a bressumer dated 1762 in the north-east gable end wall. The cottage has a croglofft at the south-west end and an earth floor with a slate platform for furniture, as well as a slate slab near the doorway to help exclude draughts. Some of the furniture displayed originally came from the cottage, including a noteworthy late 18th-century 'cwpwrdd bara caws' or bread-and-cheese cupboard.
Local climate
Llainfadyn sits in a wetter-than-average part of the UK, with an average of 1,110 mm of rain a year. This makes it wetter than 88% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 90% of listed buildings.
It experiences an average of 21 freeze-thaw cycles a year, fewer than 78% of listed buildings. Of these, 8 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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