Promenade Wall, including steps and piers is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 3 May 2002. Wall.

Promenade Wall, including steps and piers

WRENN ID
standing-trefoil-auburn
Grade
II
Local Planning Authority
Gwynedd
Constituency
Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
Country
Wales
Date first listed
3 May 2002
Type
Wall
Address
Promenade Wall, including steps and piers, Walled Town, Caernarfon
OS grid reference
SH 477 628
Coordinates
53.14107, -4.27806
Source
Cadw listing

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

Description

The Promenade Wall, which includes steps and piers, is a Grade II listed structure primarily made of coursed rubble or rock-faced stone, with some areas of snecked rubble and significant repair work. The southern section of the wall runs in a south-southwest to north-northeast direction, parallel to the Town Walls, and features a low rubble-stone parapet with flat copings. This section is approximately 220 meters long and starts from a stone pier located opposite the castle.

Further south, the wall curves towards the south to Aber Bridge, where there is a partly cobbled slipway. Behind this slipway, the wall is constructed of coursed rock-faced stone, with some repair work done in coursed hammer-dressed stone that is integrated with the bridge abutment. One of the stone piers is depicted on the 1834 town map, and a similar stone pier, also shown on the same map, is located opposite the Royal Welsh Yacht Club and is accessed via stone steps that appear on a town plan from around 1810.

The wall features an apsidal projection that aligns with the plan of the Yacht Club. Opposite the Bath Tower, the wall curves outward and continues north for approximately 120 meters to the northwest end of Victoria Dock. This section has a parapet made of monolithic dressed stone blocks and includes stone steps at the northwest end, where the wall is built from large blocks of coursed hammer-dressed stone.

Local climate

Promenade Wall, including steps and piers sits in one of the wettest parts of the UK, with an average of 1,370 mm of rain a year. This makes it wetter than 97% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 98% of listed buildings.

It experiences an average of 20 freeze-thaw cycles a year, fewer than 78% of listed buildings. Of these, 9 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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