Pier at the entrance of the old harbour is a Grade II listed building in the Isle of Anglesey local planning authority area, Wales. First listed on 7 August 1974. House.
Pier at the entrance of the old harbour
- WRENN ID
- sacred-hinge-yew
- Grade
- II
- Local Planning Authority
- Isle of Anglesey
- Constituency
- Ynys Môn MP: Llinos Medi (PC)
- Country
- Wales
- Date first listed
- 7 August 1974
- Type
- House
- Address
- Pier at the entrance of the old harbour, Porth Amlwch, Amlwch
- OS grid reference
- SH 450 934
- Coordinates
- 53.41543, -4.33303
- Source
- Cadw listing
Description
The pier at the entrance of the old harbour is an early 19th-century structure. It has a slightly battered design and is constructed from stone, faced with long slabs and large natural boulders that are vertically aligned. The top of the pier is capped with large stone slabs, and it now features modern railings around the perimeter, along with steps leading down from the southeast corner. There is also a lighthouse or watchtower located on the pier, which is listed separately.
Local climate
Pier at the entrance of the old harbour sits in a wetter-than-average part of the UK, with an average of 1,040 mm of rain a year. This makes it wetter than 83% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 95% of listed buildings.
It experiences an average of 4 freeze-thaw cycles a year, fewer than 98% of listed buildings. Of these, 2 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.2°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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