Cefn-Hir-Uchaf is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 1 February 1995. Cottage.
Cefn-Hir-Uchaf
- WRENN ID
- deep-cornice-honey
- Grade
- II
- Local Planning Authority
- Snowdonia National Park
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 1 February 1995
- Type
- Cottage
- Address
- Cefn-Hir-Uchaf, Arthog, Gwynedd
- OS grid reference
- SH 656 147
- Coordinates
- 52.71383, -3.98982
- Source
- Cadw listing
Description
Cefn-Hir-Uchaf is a small 17th century single-storey cottage made of rubble, built into the hillside. It has a slate roof, with most of the rear pitch covered in old, undressed slates. The cottage features rubble gable parapets and an end chimney on the left, which has weather coursing but is missing its upper section. The entrance is slightly off-centre to the right and currently lacks a door. There are small, unglazed window openings on either side of the entrance. There are also derelict additions attached to both the left and right sides of the cottage.
The interior consists of three bays with upper crucks, using mostly unsquared timbers and overlapping purlins. The floor is made of beaten earth, and there is a wide fireplace with a crude stop-chamfered bressummer, although it has been floored over and the ceiling is mostly a later addition.
Local climate
Cefn-Hir-Uchaf sits in one of the wettest parts of the UK, with an average of 1,390 mm of rain a year. This makes it wetter than 97% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 95% of listed buildings.
It experiences an average of 28 freeze-thaw cycles a year, fewer than 69% of listed buildings. Of these, 13 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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