Admirlaty Pier (including Sea Wall between Salt Island Bridgea and George IV Arch) is a Grade II listed building in the Isle of Anglesey local planning authority area, Wales. First listed on 25 July 1994. Bridge.
Admirlaty Pier (including Sea Wall between Salt Island Bridgea and George IV Arch)
- WRENN ID
- proud-ember-tarn
- Grade
- II
- Local Planning Authority
- Isle of Anglesey
- Constituency
- Ynys Môn MP: Llinos Medi (PC)
- Country
- Wales
- Date first listed
- 25 July 1994
- Type
- Bridge
- Address
- Admirlaty Pier (including Sea Wall between Salt Island Bridgea and George IV Arch), Holyhead
- OS grid reference
- SH 254 829
- Coordinates
- 53.3143, -4.62238
- Source
- Cadw listing
Description
Admiralty Pier, built between 1810 and 1821 by engineer John Rennie Senior, is a stone pier approximately 500 meters long, extending from Salt Island Bridge and including facing and consolidating walls on Salt Island. The pier features large squared masonry blocks and has a square projection on the southeast side. It broadens at the eastern end where the lighthouse is located. On the south side, there are stone stairs leading down to the water level, while the northern side has a sloping revetted wall above which stands a wall approximately 2 meters high with a walkway that includes a metal handrail.
Local climate
Admirlaty Pier (including Sea Wall between Salt Island Bridgea and George IV Arch) sits in a wetter-than-average part of the UK, with an average of 1,030 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 93% of listed buildings.
It experiences an average of 8 freeze-thaw cycles a year, fewer than 93% of listed buildings. Of these, 3 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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- 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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