Llwynllwyd Barn is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 28 September 1961. Barn.
Llwynllwyd Barn
- WRENN ID
- lesser-jamb-swallow
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
- Country
- Wales
- Date first listed
- 28 September 1961
- Type
- Barn
- Address
- Llwynllwyd Barn, Llanigon
- OS grid reference
- SO 200 399
- Coordinates
- 52.05185, -3.16774
- Source
- Cadw listing
Description
Llwynllwyd Barn is a stone barn featuring a stone-slate roof. It is historically connected to William Williams, known as Pantycelyn, who was a hymnologist. Howell Harris was educated at this location from 1728 to 1731.
Local climate
Llwynllwyd Barn receives an average of 950 mm of rain a year. This makes it wetter than 74% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 58% of listed buildings.
It experiences an average of 51 freeze-thaw cycles a year, more than 92% of listed buildings. Of these, 29 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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