Retaining wall of Afon Gyffin to E of Pont Pensarn is a Grade II listed building in the Conwy local planning authority area, Wales. First listed on 8 October 1981. House.

Retaining wall of Afon Gyffin to E of Pont Pensarn

WRENN ID
tattered-footing-cream
Grade
II
Local Planning Authority
Conwy
Constituency
Bangor Aberconwy MP: Claire Hughes (Lab)
Country
Wales
Date first listed
8 October 1981
Type
House
OS grid reference
SH 783 774
Coordinates
53.27965, -3.82533
Source
Cadw listing

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

Description

The retaining wall of Afon Gyffin, located east of Pont Pensarn, is a 19th-century structure made of rubble stone set on bedrock. It measures approximately 130 meters in length, stretching between Pont Pensarn and the Lifeboat station. At the western end, where it meets Pont Pensarn, there is a parapet consisting of dwarf walls and iron railings, flanked by two rock-faced piers topped with pyramidal caps. This section serves as part of the forecourt for the nearby bowling green.

Local climate

Retaining wall of Afon Gyffin to E of Pont Pensarn sits in a wetter-than-average part of the UK, with an average of 1,100 mm of rain a year. This makes it wetter than 87% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 76% of listed buildings.

It experiences an average of 34 freeze-thaw cycles a year, fewer than 51% of listed buildings. Of these, 18 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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