Arfryn, Argoed & Coed llys is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 24 May 2000. House.
Arfryn, Argoed & Coed llys
- WRENN ID
- ruined-chapel-magpie
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Bangor Aberconwy MP: Claire Hughes (Lab)
- Country
- Wales
- Date first listed
- 24 May 2000
- Type
- House
- Address
- Arfryn, Argoed & Coed llys, Penrhyn Park, Bangor, Llandygai
- OS grid reference
- SH 603 725
- Coordinates
- 53.23113, -4.09424
- Source
- Cadw listing
Description
Arfryn is a 2-storey building in the Classical style, featuring a main range that is partly double-depth and aligned north-south. It is constructed using a mix of uncoursed and regularly coursed pink sandstone blocks, with dressed ashlar quoins. The uncoursed stonework was likely originally rendered, and the building has a shallow-pitched hipped slate roof.
The west elevation is mostly filled with irregularly spaced sash windows of various sizes, some of which are horned, all set in quoined surrounds on both floors. There are entrances located to the left, where the building slightly projects, and to the far right, which features fully glazed double doors with a decorative overlight. The roof has three ridge stacks, with the center stack rendered and the outer stacks made of purple brick. Additional sash windows are present on each floor of the right return and on the south wall of the double-depth section. The rear (east) elevation includes 12- and 16-paned 2-light casements, as well as one 18-paned 3-light casement window.
The interior was not inspected at the time of the survey.
Local climate
Arfryn, Argoed & Coed llys sits in one of the wettest parts of the UK, with an average of 1,210 mm of rain a year. This makes it wetter than 92% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 90% of listed buildings.
It experiences an average of 37 freeze-thaw cycles a year, more than 67% of listed buildings. Of these, 19 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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Nearby listed buildings
- Kitchen garden wall and attached outbuildings
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- Penrhyn Castle
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- Bridge at the mouth of the Afon Ogwen (partly in Llandygai community)
- Plas y Coed