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

Isfryn Cottage

WRENN ID
deep-column-furze
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
Cottage
Address
Isfryn Cottage, Dolgellau, Gwynedd
OS grid reference
SH 727 176
Coordinates
52.74179, -3.8869
Source
Cadw listing

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

Description

Isfryn Cottage is a two-storey cottage featuring one window. It is constructed of rubble masonry, which is of an inferior technique compared to the side facing Plas Gwyn. The cottage has a hipped slate roof and a central stone stack with water tabling.

On the Cader Road side, there are two-storey rectangular timber bay windows with a stone base and a flat lead roof. These windows have vertically paned Victorian sashes and narrow side windows.

The side elevation includes a single Victorian sash window set under the eaves. Below this is a Victorian trellis closed porch with a gabled slate roof and a four-panel door, where the upper panels are glazed. To the left of the porch, there is another Victorian sash window with a stone lintel. Additionally, there is a lean-to outshut at the extreme left, made of rubble and topped with a slate roof.

Local climate

Isfryn Cottage 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
  • Sale history — 2 transactions since 2007
  • 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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  3. Plas Gwyn Grade II* 15 m
  4. Bod Alaw Grade II 19 m
  5. 5 Finsbury Square Grade II 21 m
  6. 4 Finsbury Square Grade II 22 m
  7. Bryn Gwynedd Grade II 25 m
  8. Telephone Call-box Grade II 30 m
  9. Heulwen Grade II 30 m
  10. Eric Edwards, Architect Grade II 34 m