House and The Blue Casket (Cist Las) is a Grade II listed building in the Conwy local planning authority area, Wales. First listed on 8 October 1981. House, shop. 1 related planning application.

House and The Blue Casket (Cist Las)

WRENN ID
open-bailey-birch
Grade
II
Local Planning Authority
Conwy
Constituency
Bangor Aberconwy MP: Claire Hughes (Lab)
Country
Wales
Date first listed
8 October 1981
Type
House, shop
Address
House and The Blue Casket (Cist Las), 3 High Street, Walled Town, LL32 8AL
OS grid reference
SH 781 776
Coordinates
53.28153, -3.82862
Source
Cadw listing

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

Description

This is a late-Georgian style house and shop, originally built as a three-story, two-window building, and part of a range that includes number 1. The front is finished with roughcast rendering, painted cream, and has a slate roof with roughcast end stacks and a rear skylight. The shop front, inserted in the 1990s, features four round-headed lights above a fielded-panel stall-board and entrance set in a splay to the right. A canted oriel with a four-pane, horned sash window is on the first floor. The upper storey contains four-pane sash windows within eared architraves. The rear elevation is pebble-dashed and features four-pane sash windows, which illuminate the staircase on the left side of the building. The property has been modernized.

Local climate

House and The Blue Casket (Cist Las) sits in a wetter-than-average part of the UK, with an average of 1,100 mm of rain a year. This makes it wetter than 87% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 76% of listed buildings.

It experiences an average of 34 freeze-thaw cycles a year, fewer than 51% of listed buildings. Of these, 18 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 — 3 transactions since 2007
  • 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
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