Penlan is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 19 June 1990. House.
Penlan
- WRENN ID
- errant-flagstone-ridge
- Grade
- II
- Local Planning Authority
- Snowdonia National Park
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 19 June 1990
- Type
- House
- Address
- Penlan, Dolgellau, Gwynedd
- OS grid reference
- SH 729 175
- Coordinates
- 52.7402, -3.88406
- Source
- Cadw listing
Description
Penlan is a 1.5 storey house built with coursed rubble masonry and features a moderately pitched new slate roof. The eaves are plain with close verges, and there are stone stacks with water tabling, as well as slates pitched to form flues. The house has two narrow later 19th century gabled dormers on the first floor, which have rubble cheeks and close verges. Victorian sash windows are present, with similar windows on the ground floor that have stone lintels. There is also a two-light casement window in the center, with a doorway alongside it, featuring stone lintels and a plank door.
The right end elevation of the house drops vertically down to the River Arran and includes a small loft window to the right of the gable end.
Adjoining the house on the left is a single-storey coach house, constructed in a similar style. It has a stone stack at the left end and water tabling, with a window set below the eaves to the right. Broad double doors are located to the left, with a six-pane toplight positioned below the eaves.
Local climate
Penlan sits in one of the wettest parts of the UK, with an average of 1,340 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 93% of listed buildings.
It experiences an average of 34 freeze-thaw cycles a year, more than 52% of listed buildings. Of these, 17 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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