38-40 High Street is a Grade II* listed building in the Gwynedd local planning authority area, Wales. First listed on 8 October 1953. Georgian house.
38-40 High Street
- WRENN ID
- burning-tin-elm
- Grade
- II*
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 8 October 1953
- Type
- Georgian house
- Address
- 38-40 High Street, Walled Town, Caernarfon
- OS grid reference
- SH 478 628
- Coordinates
- 53.14067, -4.27563
- Source
- Cadw listing
Description
38-40 High Street is a Georgian house that features a later shop front. The building has roughcast walls, a renewed slate roof, and a roughcast stack on the right side. The lower storey includes a late 20th-century shop front designed in a late 19th-century style. In the upper storey, there are 12-pane hornless sash windows with moulded surrounds. The attic contains three smaller 12-pane sash windows set in large gabled dormers that have plain barge boards. A moulded eaves cornice runs across the dormers, and there is a dated cast iron rainwater head on the right side.
At the rear, there is a central stair projection that features an original wood-mullioned cross window on the lower landing and a replaced window on the upper landing. The lower storey has been converted into open shop space with temporary partitions. Two chamfered cross beams remain, supported by cast iron posts. A full-height dog-leg stair dating from around 1700 has turned balusters and square newels. The roof has four and a half bays with pegged collar beams, and the stair projection has a similar truss.
Local climate
38-40 High 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
- 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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