Castle Restaurant is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 22 May 1967. Restaurant.

Castle Restaurant

WRENN ID
riven-rampart-quill
Grade
II
Local Planning Authority
Gwynedd
Constituency
Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
Country
Wales
Date first listed
22 May 1967
Type
Restaurant
Address
Castle Restaurant, 6 Castle Street, Walled Town, Caernarfon
OS grid reference
SH 477 627
Coordinates
53.14051, -4.27695
Source
Cadw listing

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

Description

Castle Restaurant, 6-12 Castle Street

A near symmetrical "artisan-classical" terrace of 10 bays, originally comprising 4 houses of 3 storeys with attics. The design is dominated by a pediment over the 4 central bays and strong rhythm imposed by a continuous cornice over the ground floor, carried on fluted Ionic columns. These columns articulate the original property divisions, frame doorways, and at first floor alternate with paired round-arched windows linked by balconies.

The front elevation is faced in stucco, drafted in the lower storey and scribed above, with rusticated angle pilasters. The roof is slate, set on bracketed eaves with brick stacks.

The ground floor features a central tripartite sash window. The disposition of detail elsewhere is asymmetrical, reflecting the unequal division into separate properties. Nos 6 and 8 at the right (north) end are 2-bay houses with doorways in the right-hand bay, though the upper storeys of No 6 have only a single window. No 10 was originally a 2-bay house, probably with a lower-storey shop, positioned under the central pediment. No 12 was a 4-bay house. Nos 10 and 12 are now amalgamated into a single property.

Doorways have doors incorporating round-headed panels and plain overlights, except No 12 which has a small-pane overlight. The lower-storey windows are 12-pane horned sashes. Windows to Nos 10 and 12 are framed by moulded consoles with Celtic interlace ornament below the ground-floor cornice. At first floor, 2-light casement windows with transoms are set in round arches in the paired outer and central bays, with cast-iron balconies of lattice-work over a Greek key frieze. The upper storey has 9-pane sash windows, horned to Nos 10 and 12 and hornless to Nos 6 and 8, with a sill band. A shallow open pediment spanning the central 4 bays contains a round-headed sash window in a rusticated architrave.

The rubble-stone rear elevation has an 8-pane sash window lighting the stair on the right side at middle-storey level.

Local climate

Castle Restaurant 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.
  • Sale history — 2 transactions since 2011
  • 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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Nearby listed buildings

  1. 4 Castle Street Grade II 4 m
  2. 8 Castle Street Grade II 5 m
  3. 2 Castle Street Grade II 12 m
  4. Castle House Grade II* 17 m
  5. Ty Sidan Grade II* 17 m
  6. 14 High Street Grade II 20 m
  7. 3 Castle Street Grade II 21 m
  8. Ty Glyndwr Grade II 23 m
  9. Boundary wall in front of 5 Castle Street Grade II 23 m
  10. 5 Castle Street Grade II 24 m