Barn at Plas Iolyn is a listed building in the Conwy local planning authority area, Wales.
Barn at Plas Iolyn
- WRENN ID
- quiet-rafter-flax
- Grade
- Local Planning Authority
- Conwy
- Constituency
- Bangor Aberconwy MP: Claire Hughes (Lab)
- Country
- Wales
- OS grid reference
- SH 881 503
- Coordinates
- 53.03888, -3.66985
Local climate
Barn at Plas Iolyn sits in one of the wettest parts of the UK, with an average of 1,240 mm of rain a year. This makes it wetter than 92% 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 48 freeze-thaw cycles a year, more than 89% 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
Nearby listed buildings
- Animal house and attached yard at Plas Iolyn
- Washhouse and outbuilding at Plas Iolyn
- Bethel Addoldy yr Annibynwyr including Ty-capel, Schoolroom and associated teacher's house
- Castell
- Pont Rhydlydan
- Pont Twllaran
- Range of buildings at Nant-y-creau
- Melin Voelas
- Pont Pentre'r foelas
- Wynne-Finch Memorial