Bryn Blew is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 26 May 1995. A C19 Cottage.
Bryn Blew
- WRENN ID
- bitter-glass-willow
- Grade
- II
- Local Planning Authority
- Snowdonia National Park
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 26 May 1995
- Type
- Cottage
- Address
- Bryn Blew, Llanfachreth, Brithdir and Llanfachreth, Gwynedd
- OS grid reference
- SH 762 221
- Coordinates
- 52.78242, -3.83607
- Source
- Cadw listing
Description
Bryn Blew is a one-and-a-half storey cottage built of whitened rubble, although much of the whitewash has now been removed. It has a renewed slate roof and features 19th-century end chimneys with plain cornices and weather-coursing. The central entrance has a recessed 19th-century boarded door, with an inscribed date on the projecting stone lintel above. On either side of the entrance are small 4-pane windows, and there are two 19th-century catslide dormers on the roof, each with 4-pane sash windows and slate-hung sides. A modern skylight is located at the center of the roof, and there is a 19th-century returned label on the right gable end above a modern window.
To the left of the cottage is a single-storey 19th-century byre addition that has been built into the slope of the hill. This addition is made of rubble and slate, with an entrance on the right and a 2-light window to the left. The left part of the window is part-glazed, while the right side is shuttered.
The cottage features rough-coped rubble forecourt walls, within which some stone flagging remains. Inside, there is a post-and-panel partition screen to the right of the entrance. To the left, there is the original wooden doorcase leading into the former hall space, which has chamfered details and long run-off stops. The hall also contains a large fireplace with a bressummer.
Local climate
Bryn Blew sits in one of the wettest parts of the UK, with an average of 1,310 mm of rain a year. This makes it wetter than 95% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 91% of listed buildings.
It experiences an average of 45 freeze-thaw cycles a year, more than 86% of listed buildings. Of these, 26 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.
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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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