Hen Efail is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 20 April 1999. Cottage.
Hen Efail
- WRENN ID
- veiled-turret-auburn
- Grade
- II
- Local Planning Authority
- Snowdonia National Park
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 20 April 1999
- Type
- Cottage
- Address
- Hen Efail, Ffordd Pencefn, Dolgellau, Gwynedd
- OS grid reference
- SH 722 187
- Coordinates
- 52.75135, -3.89465
- Source
- Cadw listing
Description
Hen Efail is a one-and-a-half storey cottage featuring a two-window front. It is constructed from local stone and has heavy foundations, topped with an old slate roof. The cottage is distinguished by tall octagonal end chimneys and two stone gabled dormers. The central doorway is flanked by a window on each side. The glazing consists of modern casements, except for the window to the left of the doorway, which has an older wooden mullion and transom. To the right of the cottage, there is a lean-to that is said to have been an old smithy. At the rear, there is a central doorway that was formerly a window.
Local climate
Hen Efail sits in one of the wettest parts of the UK, with an average of 1,360 mm of rain a year. This makes it wetter than 96% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 94% of listed buildings.
It experiences an average of 39 freeze-thaw cycles a year, more than 74% of listed buildings. Of these, 21 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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