Arosfa is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 29 May 1968. House.
Arosfa
- WRENN ID
- gilded-chimney-tarn
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 29 May 1968
- Type
- House
- Address
- Arosfa, Bontnewydd, Caernarfon
- OS grid reference
- SH 482 598
- Coordinates
- 53.11397, -4.26824
- Source
- Cadw listing
Description
Arosfa is a double-fronted building constructed from rubble stone that was once limewashed. It features a slate roof with close eaves, which was originally covered with small slates set in grout. The building has 20th-century windows designed to imitate the former small-paned style, along with a central 20th-century half-glazed door. The stonework has heavy cement pointing, and the heads of the ground floor openings are cemented, which were previously described as brick segmental arches.
Local climate
Arosfa sits in one of the wettest parts of the UK, with an average of 1,370 mm of rain a year. This makes it wetter than 97% 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 20 freeze-thaw cycles a year, fewer than 78% of listed buildings. Of these, 9 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 — 1 transaction since 2009
- 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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