4 Castle Street is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 22 May 1967. House. 1 related planning application.
4 Castle Street
- WRENN ID
- proud-rubble-brook
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 22 May 1967
- Type
- House
- Address
- 4 Castle Street, Walled Town, Caernarfon, LL55 1SE
- OS grid reference
- SH 477 627
- Coordinates
- 53.14055, -4.27694
- Source
- Cadw listing
Description
4 Castle Street is a Georgian, two-bay, three-storey house featuring pebble-dashed walls painted cream and a slate roof. The entrance has a central fielded-panel door with a diamond-paned overlight, set within a case that includes moulded consoles and a billeted cornice. Above the door is a re-set niche, which has '1628' crudely engraved on its left side, although it is in a late medieval style and likely dates from the 16th century. This niche has a cusped ogee head with sunk spandrels and displays a winged angel in relief holding a heraldic shield featuring a chevron and three wolves' heads. The windows are framed with architraves; the lower storey has fixed metal-framed office windows with small sliding centre panes, while the first floor features 12-pane hornless sashes, and the upper storey has similar 9-pane sashes. The interior has been modernised.
Local climate
4 Castle Street 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 2025
- 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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