Railway Viaduct (partly in Bangor community) is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 2 August 1988.

Railway Viaduct (partly in Bangor community)

WRENN ID
stony-entrance-reed
Grade
II
Local Planning Authority
Gwynedd
Constituency
Bangor Aberconwy MP: Claire Hughes (Lab)
Country
Wales
Date first listed
2 August 1988
Address
Railway Viaduct (partly in Bangor community), Maesgeirchen, Llandygai
OS grid reference
SH 588 710
Coordinates
53.21757, -4.11586
Source
Cadw listing

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

Local climate

Railway Viaduct (partly in Bangor community) sits in one of the wettest parts of the UK, with an average of 1,210 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 90% of listed buildings.

It experiences an average of 37 freeze-thaw cycles a year, more than 67% of listed buildings. Of these, 19 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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Nearby listed buildings

  1. Railway Viaduct (partly in Llandygai community) Grade II 21 m
  2. Portal at west end of Llandygai Tunnel Grade II 634 m
  3. Barn Range between main and outer yards at Home Farm Grade II 693 m
  4. Cowhouses and Barn in outer yard at Home Farm Grade II 702 m
  5. Southern Cottage at Home Farm Grade II 720 m
  6. Threshing Barn at Home Farm Grade II 724 m
  7. L-shaped Stable and Carriage Shed Range to main yard at Home Farm Grade II 726 m
  8. Northern Cottage at Home Farm Grade II 737 m
  9. H-shaped Cowhouse Range to north of main yard at Home Farm Grade II 758 m
  10. Cart Shelter Range at Home Farm Grade II 771 m