Oriel Arfon is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 31 March 1983. House. 1 related planning application.
Oriel Arfon
- WRENN ID
- stony-gravel-storm
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 31 March 1983
- Type
- House
- Address
- Oriel Arfon, 16 Palace Street, Walled Town, Caernarfon, LL55 1RR
- OS grid reference
- SH 478 627
- Coordinates
- 53.14004, -4.27613
- Source
- Cadw listing
Description
Oriel Arfon is a Georgian single-bay house featuring scribed roughcast walls and a slate roof. The lower storey includes an inserted shop front framed by panelled pilasters, a plain fascia, and a deep moulded cornice. To the left, there is a half-lit panelled door with a plain overlight. In the middle and upper storeys, the windows are offset to the right, consisting of a 12-pane hornless sash window on the first floor and a similar 9-pane window on the upper storey.
At the rear, there is a long gabled wing that is also roughcast and has an end stack. Its south elevation, which faces the passage through No 16a, features some original windows, including 9-pane hornless sashes in the upper storey and a 12-pane sash window on the middle right. The middle and lower left sections have late 19th-century 2-pane sashes in earlier openings, while the lower right doorway has a replaced door and a plain overlight. Additionally, there is a lower flat-roofed 2-storey projection that is L-shaped and connects to 9-11 Castle Ditch.
Local climate
Oriel Arfon 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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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- No sale records on file
- Related listed building consents — 1 application
- 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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