Garthmeilio is a listed building in the Conwy local planning authority area, Wales. 2 related planning applications.

Garthmeilio

WRENN ID
narrow-joist-alder
Grade
Local Planning Authority
Conwy
Constituency
Bangor Aberconwy MP: Claire Hughes (Lab)
Country
Wales
Address
Garthmeilio, LL21 0PY
OS grid reference
SH 958 449
Coordinates
52.99175, -3.55238

Also on this page: EPC · related consents · flood risk · radon risk · weather exposure · detailed attributes ↓

Local climate

Garthmeilio sits in one of the wettest parts of the UK, with an average of 1,180 mm of rain a year. This makes it wetter than 90% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 78% of listed buildings.

It experiences an average of 50 freeze-thaw cycles a year, more than 91% of listed buildings. Of these, 31 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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  • Full EPC report — heating system, energy costs, size, glazing, construction etc.
  • No sale records on file
  • Related listed building consents — 2 applications
  • 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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Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.

Nearby listed buildings

  1. Pont-y-capel Grade II 731 m
  2. Four Chest Tombs at the Church of St Jerome Grade II 857 m
  3. Capel M C Cefn Nannau Grade II 1.1 km
  4. Pont yr Henblas Grade II 1.3 km
  5. Potato Store/Root House at Hendre Arddwyfaen Grade II 1.8 km
  6. Carthouse in farmyard NE of Hendre Arddwyfaen Grade II 1.8 km
  7. Melin Pen-y-gaer, aka Ty-nant Mill Grade II 2.2 km
  8. Kiln House (roddyn) at Melin Pen-y-gaer Grade II 2.2 km
  9. Barn at Llwyn-y-saint Grade II 2.4 km
  10. Llwyn-y-saint Grade II 2.4 km