Old Cottage at Penamen House is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 19 June 1990. Shop.

Old Cottage at Penamen House

WRENN ID
watchful-grate-sage
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
Shop
Address
Old Cottage at Penamen House, Dolgellau, Gwynedd
OS grid reference
SH 689 182
Coordinates
52.74579, -3.94222
Source
Cadw listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

Old Cottage at Penamen House is a one and a half storey cottage featuring three windows. The building is constructed of rubble masonry, which was formerly whitewashed. It has a steeply pitched quarry slate roof laid in diminishing courses, with plain eaves and raking gable parapets. The cottage is topped with tall, square stone stacks that have water tabling.

The exterior includes three gabled dormers with timber gablets, rubble cheeks, laced valleys, and close verges. The windows are two-light casements, and there is a central doorway with a stone lintel and a plank door. Flanking this doorway are windows with stone lintels, featuring vertically paned Victorian sash windows. The interior may also be of interest.

Local climate

Old Cottage at Penamen House 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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  • 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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