New Dock (quay) is a Grade II* listed building in the Gwynedd local planning authority area, Wales. First listed on 24 May 2000. Wharf.

New Dock (quay)

WRENN ID
waning-jamb-linden
Grade
II*
Local Planning Authority
Gwynedd
Constituency
Bangor Aberconwy MP: Claire Hughes (Lab)
Country
Wales
Date first listed
24 May 2000
Type
Wharf
Address
New Dock (quay), Porth Penrhyn, Llandygai
OS grid reference
SH 591 728
Coordinates
53.23423, -4.11213
Source
Cadw listing

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

Description

New Dock is a quay constructed from finely jointed large Anglesey limestone blocks, secured with iron cramps. The inner basin of the dock curves towards its southern end and features a breakwater at the north-eastern end that curves inward to protect the entrance to the harbour. There are two 19th-century cranes located on the dock: one at the southern end of the inner basin and the other on the western side of the main quay. Additionally, there are numerous bollards made of both stone, which are the earlier type, and cast iron, used to secure vessels along the western side of the main quay and around the inner basin.

Local climate

New Dock (quay) sits in one of the wettest parts of the UK, with an average of 1,210 mm of rain a year. This makes it wetter than 92% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 90% of listed buildings.

It experiences an average of 37 freeze-thaw cycles a year, more than 67% of listed buildings. Of these, 19 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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