Brynynallt is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 2 August 1988. House.
Brynynallt
- WRENN ID
- stony-lintel-finch
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Bangor Aberconwy MP: Claire Hughes (Lab)
- Country
- Wales
- Date first listed
- 2 August 1988
- Type
- House
- Address
- Brynynallt, Bangor
- OS grid reference
- SH 580 717
- Coordinates
- 53.2239, -4.12801
- Source
- Cadw listing
Description
Brynynallt is a late Georgian building that stands three storeys tall and features a three-window front made of pebbledash, with quoins and a decorative rosette pattern along the eaves. The roof is hipped and covered with slate, and there are scribed render end chimney stacks. The building has 12-pane sash windows with lugged architraves. An early 20th-century porch has been added, which includes half-glazed double doors, a bracket cornice, and a small ironwork balcony above. There is a skylight on the front and hipped dormers at the rear, which also have sliding sash windows, consistent with those on the front. Additionally, there is a hipped roof polygonal extension at the rear right.
Underneath the terraced forecourt, there is a part-brick barrel vaulted cellar. Inside, the building retains panelled shutters and a staircase with a turned newel.
Local climate
Brynynallt 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
- 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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