Tan-yr-allt Cottages is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 9 March 2000. Cottage.
Tan-yr-allt Cottages
- WRENN ID
- pitched-vault-bracken
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Bangor Aberconwy MP: Claire Hughes (Lab)
- Country
- Wales
- Date first listed
- 9 March 2000
- Type
- Cottage
- Address
- Tan-yr-allt Cottages, Bangor, Llanllechid
- OS grid reference
- SH 627 714
- Coordinates
- 53.22269, -4.05714
- Source
- Cadw listing
Description
Nos 1 and 2 Tan-yr-allt Cottages are a pair of symmetrical single-storey cottages located in the Llanllechid Community. Built in the vernacular revival style favored by the Penrhyn Estate, these cottages feature two rooms each with lofts. They are constructed from coursed rubblestone, with voussoirs above slightly cambered windows and doors on the front elevation, while the gable ends are rendered. The cottages have a slate roof that includes two small modern roof lights on both the front and rear.
Each cottage has a central entrance, with the right cottage (No. 1) featuring a 20th-century panelled door and the left cottage (No. 2) having a boarded door. The windows are arranged with two and three lights, respectively, and have slate cills. Both cottages have integral end stacks and a shared ridge stack at the center, all rendered and topped with stepped capping. There is a 20th-century flat-roofed extension at the back, which extends beyond the gable end of each cottage.
The cottages maintain their original layout of two heated rooms on the ground floor. They also have full lofts, although this may represent a modification of the original design.
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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