Penybryn Bridge, including railings & lamp standards is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 27 May 1949. Bridge.

Penybryn Bridge, including railings & lamp standards

WRENN ID
brooding-keystone-cobweb
Grade
II
Local Planning Authority
Gwynedd
Constituency
Bangor Aberconwy MP: Claire Hughes (Lab)
Country
Wales
Date first listed
27 May 1949
Type
Bridge
Address
Penybryn Bridge, including railings & lamp standards, Bangor
OS grid reference
SH 591 725
Coordinates
53.23129, -4.1114
Source
Cadw listing

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

Description

Penybryn Bridge is a segmental arched bridge made of coursed rubble, featuring voussoirs, a stringcourse, an impost band, and freestone coping. The bridge curves out at both ends, finishing with battered pilasters, and the revetment walls of the cutting extend beyond the bridge.

It has late Georgian iron railings with urn finials along the parapets, which connect continuously to the railings in front of The Old Farmhouse and Penybryn House on the left side. At the north end, there are fluted lamp standards with curved brackets still in place on the northeast side, and a modern lamp is located on the northwest side.

Local climate

Penybryn Bridge, including railings & lamp standards 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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