Brynaerau uchaf is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 15 September 1999. House.
Brynaerau uchaf
- WRENN ID
- shifting-vault-storm
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 15 September 1999
- Type
- House
- Address
- Brynaerau uchaf, Pontllyfni, Caernarfon, Clynnog
- OS grid reference
- SH 436 520
- Coordinates
- 53.04263, -4.33352
- Source
- Cadw listing
Description
Brynaerau uchaf is a building constructed of stone rubble on boulder foundations, painted white. It features a renewed slate roof that has replaced the original thatch, along with cement copings and gable stacks. The building has one storey and an attic. A central open gabled porch with a round external arch leads to a boarded door that has two small glazed lights. On either side of the doorway, there are two and three-light stained wood windows set deeply into the walls. The attic includes two small windows that break the eaves line, each with cat-slide roofs. The gable stacks have an added brick flue at the eastern end, and there is a small square window in the western gable end. Additionally, there are doors at the rear and a lean-to that has been added under an extension of the roof. The building was not accessible at the time of inspection.
Local climate
Brynaerau uchaf sits in one of the wettest parts of the UK, with an average of 1,610 mm of rain a year. This makes it wetter than 99% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 99% of listed buildings.
It experiences an average of 11 freeze-thaw cycles a year, fewer than 89% of listed buildings. Of these, 4 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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