Outbuilding at Wern Ddu is a Grade II listed building in the Carmarthenshire local planning authority area, Wales. First listed on 8 August 2002. Outbuilding.
Outbuilding at Wern Ddu
- WRENN ID
- ancient-keep-sparrow
- Grade
- II
- Local Planning Authority
- Carmarthenshire
- Constituency
- Caerfyrddin MP: Ann Davies (PC)
- Country
- Wales
- Date first listed
- 8 August 2002
- Type
- Outbuilding
- Address
- Outbuilding at Wern Ddu, Johnstown, Carmarthen, Llangain
- OS grid reference
- SN 374 179
- Coordinates
- 51.83629, -4.36032
- Source
- Cadw listing
Description
The outbuilding at Wern Ddu is constructed from whitewashed rubble stone and features a slate roof with close eaves. It stands two storeys tall, with a loft that is accessed from a higher level at the right end. The front of the building has two small square windows for the loft and one longer door situated under the eaves. Below, there are three doors with stone voussoirs; notably, the rightmost door is not aligned with the door above it but is set slightly further to the right.
Local climate
Outbuilding at Wern Ddu sits in one of the wettest parts of the UK, with an average of 1,290 mm of rain a year. This makes it wetter than 94% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 96% of listed buildings.
It experiences an average of 18 freeze-thaw cycles a year, fewer than 82% of listed buildings. Of these, 7 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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