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

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

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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  • Detailed attributes — period, style, materials, features
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  • 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

  1. Windmill Florists (incorporating 2 Hole-in-the-Wall Street) Grade II 9 m
  2. 36 High Street Grade II 9 m
  3. 34a High Street Grade II 15 m
  4. The Old Market Grade II 15 m
  5. 39 High Street Grade II 20 m
  6. East Gate, incorporating 3 Hole-in-the-Wall Street Grade II* 23 m
  7. Tanybont Arch, including former lock-up to SE Grade II* 29 m
  8. 2 Northgate Street Grade II 30 m
  9. Castle Chambers Grade II 34 m
  10. 29 High Street Grade II 36 m