Former Domestic Range at Sygun Copper Mine is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 25 November 1998. Domestic range.

Former Domestic Range at Sygun Copper Mine

WRENN ID
little-lancet-yarrow
Grade
II
Local Planning Authority
Snowdonia National Park
Constituency
Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
Country
Wales
Date first listed
25 November 1998
Type
Domestic range
Address
Former Domestic Range at Sygun Copper Mine, Porthmadog, Beddgelert, Gwynedd
OS grid reference
SH 605 488
Coordinates
53.01861, -4.08026
Source
Cadw listing

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

Description

The former domestic range at Sygun Copper Mine is a single-storey building made of rubble, topped with a slate roof that has a tiled ridge. The roof is in poor condition on the rear pitch. It features squat end chimneys with weather-coursing and capping. The central section, which served as a dormitory, has a recessed boarded door that is off-centre to the right. On the left side, there are two unglazed and partially boarded windows, while on the right side, there is another window. To the right of the dormitory section is an additional door with a window beyond, likely leading to a kitchen, and to the left is a similar arrangement with a door and an outer window, possibly for an office.

Local climate

Former Domestic Range at Sygun Copper Mine sits in one of the wettest parts of the UK, with an average of 1,500 mm of rain a year. This makes it wetter than 98% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 98% of listed buildings.

It experiences an average of 32 freeze-thaw cycles a year, fewer than 58% of listed buildings. Of these, 16 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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