Town Hall is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 27 May 1949. Town hall.

Town Hall

WRENN ID
kindled-baluster-lark
Grade
II
Local Planning Authority
Gwynedd
Constituency
Bangor Aberconwy MP: Claire Hughes (Lab)
Country
Wales
Date first listed
27 May 1949
Type
Town hall
Address
Town Hall, Bangor
OS grid reference
SH 580 721
Coordinates
53.22737, -4.12859
Source
Cadw listing

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

Description

The Town Hall is a 18th-century building featuring a six-window south front with asymmetrical projecting side ranges, which previously had a polygonal end on the left. To the left, there is a two-storey, jettied, and gabled porch that once opened onto a cross passage. The entrance is segmental arched and pilastered, with double doors. The later section on the right is slightly advanced. The building has small pane sash windows, some of which are paired or tripartite, along with small pane attic windows located midway up the roof pitch.

On the left side, there is a twin gable end from the 1810 northwest extension, which includes two Gothic windows in former doorways and round-headed small pane windows above. The three-window north elevation features similar glazing, including French windows with freestone surrounds and a central slate plaque that reads: "Dominus Gulielimus Episcopus Aedificavit AD - 1810". Set back to the left is a single-storey flat roof range that extends the remaining width of the building, including the porch below the three-window central cross range, with small pane sash windows and Gothic windows on the ground floor. The east end has similar details, with a wide two-window gable and a tall chimney stack, along with attached service ranges.

Inside, the building retains an openwell staircase hall dated 1753, featuring an oval ceiling rose, turned balusters, Ionic newell posts, carved tread ends, and a panelled dado. There is a later cast iron supporting column adorned with acanthus leaves and spiral tendrils. The council chamber on the first floor has a segmental vault with delicately detailed Adamesque plasterwork and a Gothic ironwork ventilator. Two trusses are visible from the Chief Executive’s Office, with one infilled with a studded partition and one collar truss featuring arched branches; another truss is said to be of hammerbeam type.

Local climate

Town Hall 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.

More on this building

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  • No EPC on record for this property
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  • 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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