Cottage adjoining service range of Plas Gwyn is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 19 June 1990. Hall, office. 3 related planning applications.

Cottage adjoining service range of Plas Gwyn

WRENN ID
rough-truss-dust
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
Hall, office
Address
Cottage adjoining service range of Plas Gwyn, LL40 1RH
OS grid reference
SH 727 176
Coordinates
52.74182, -3.88645
Source
Cadw listing

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

Description

This is a one-and-a-half-story cottage situated adjacent to the service range of Plas Gwyn. The cottage was built using coursed rubble masonry and has a gently pitched slate roof with oversailing eaves and exposed purlins. A stone stack with water tabling is present. A gabled dormer window features deep verges, bargeboards, and slated cheeks. A Victorian sash window is visible, along with a similar, larger window on the ground floor to the left, which has a stone lintel. A doorway is located to the right of the cottage.

Local climate

Cottage adjoining service range of Plas Gwyn 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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  • Full EPC report — heating system, energy costs, size, glazing, construction etc.
  • Sale history — 2 transactions since 2003
  • Related listed building consents — 3 applications
  • 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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