Tan-yr-allt Cottages is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 9 March 2000. Cottages.
Tan-yr-allt Cottages
- WRENN ID
- noble-pediment-sepia
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Bangor Aberconwy MP: Claire Hughes (Lab)
- Country
- Wales
- Date first listed
- 9 March 2000
- Type
- Cottages
- Address
- Tan-yr-allt Cottages, Bangor, Llanllechid
- OS grid reference
- SH 627 715
- Coordinates
- 53.22288, -4.05688
- Source
- Cadw listing
Description
Nos 3 and 4 Tan-yr-allt Cottages are a pair of symmetrical single-storey cottages, each with two rooms and lofts, built in the vernacular revival style favored by the Penrhyn Estate. They are made from coursed rubblestone, featuring voussoirs above slightly cambered windows and doors on the front elevation, while the gable ends are rendered. The cottages have a slate roof and a central entrance for each, flanked by two- and three-light windows with 12 and 18 panes, respectively, all with slate cills. Each cottage has a 20th-century half-glazed door, integral end stacks, and a shared ridge stack in the center, all rendered with stepped capping. There is a 20th-century flat-roofed extension at the back that extends beyond the gable end of each cottage. The interior was not inspected during the survey.
Local climate
Tan-yr-allt Cottages 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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