Pont Marchogian is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 2 August 1988. Warehouse, office.

Pont Marchogian

WRENN ID
tall-minaret-cream
Grade
II
Local Planning Authority
Gwynedd
Constituency
Bangor Aberconwy MP: Claire Hughes (Lab)
Country
Wales
Date first listed
2 August 1988
Type
Warehouse, office
Address
Pont Marchogian, Llandygai
OS grid reference
SH 593 721
Coordinates
53.22808, -4.1087
Source
Cadw listing

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

Description

Pont Marchogian is a low and narrow bridge made of coursed rubble. It features three segmental arches constructed with voussoirs and arch rings. At the northern end, there is a small square-headed opening. The bridge was overgrown at the time of inspection in December 1987.

Local climate

Pont Marchogian 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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  • 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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