Revetment Wall Immediately N of The Arches, Including Associated Columnar and Urn Monuments is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 23 August 2002. Revetment wall.
Revetment Wall Immediately N of The Arches, Including Associated Columnar and Urn Monuments
- WRENN ID
- ragged-cobalt-dawn
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 23 August 2002
- Type
- Revetment wall
- Address
- Revetment Wall Immediately N of The Arches, Including Associated Columnar and Urn Monuments, Portmeirion, Penrhyndeudraeth
- OS grid reference
- SH 588 371
- Coordinates
- 52.91361, -4.0999
- Source
- Cadw listing
Description
The revetment wall, built of low rubble, runs from The Arches to the Piazza. At the southern end, it features the Williams-Ellis Column, which includes a circular plinth and base topped with a tall whitened Doric column made of bricks. Atop this column is a bronzed figure of a classical nymph. Near the northern end of the revetment wall, there is a classical painted iron urn on a fluted column, framed by a large chinoiserie-style decorative wrought iron arch. This urn is accessible via a flight of four rendered and slate-coped steps.
Local climate
Revetment Wall Immediately N of The Arches, Including Associated Columnar and Urn Monuments sits in one of the wettest parts of the UK, with an average of 1,490 mm of rain a year. This makes it wetter than 98% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 97% of listed buildings.
It experiences an average of 32 freeze-thaw cycles a year, fewer than 60% of listed buildings. Of these, 15 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.
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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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