3 Tan y Bwlch is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 24 May 2000. Cottage.
3 Tan y Bwlch
- WRENN ID
- endless-brass-winter
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Bangor Aberconwy MP: Claire Hughes (Lab)
- Country
- Wales
- Date first listed
- 24 May 2000
- Type
- Cottage
- Address
- 3 Tan y Bwlch, Mynydd Llandygai, Bangor, Llandygai
- OS grid reference
- SH 598 656
- Coordinates
- 53.16922, -4.09752
- Source
- Cadw listing
Description
Nos 3 and 4 Tan y Bwlch in Llandygai are a pair of single-storey quarryman's cottages, each featuring a two-room layout with a loft. They are aligned from north-west to south-east and constructed from roughly coursed and dressed rubblestone blocks, which are rendered and painted on the gable ends. The cottages have slate roofs and each includes three-light windows with slate cills on either side of a slightly offset entrance. There are integral end stacks and a shared ridge stack located centrally between the two cottages. Additional windows on the gable ends provide light to the lofts, and there are catslide lean-tos at the rear.
The cottages belong to a group of two. Notably, the cottages have 20th-century windows flanking a 20th-century panelled door with an integral fanlight. One of the integral end stacks has been removed, and there is a large 20th-century extension at the rear. The interior was not inspected during the survey.
Local climate
3 Tan y Bwlch 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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