City Glassworks is a Grade II listed building in the Cardiff local planning authority area, Wales. First listed on 30 April 1999. Industrial.

City Glassworks

WRENN ID
south-roof-falcon
Grade
II
Local Planning Authority
Cardiff
Constituency
Cardiff South and Penarth MP: Stephen Doughty (Lab)
Country
Wales
Date first listed
30 April 1999
Type
Industrial
Address
City Glassworks, Castle
OS grid reference
ST 183 762
Coordinates
51.47922, -3.17774
Source
Cadw listing

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

Description

City Glassworks is a three-storey building featuring a lively facade made of Pennant stone with extensive use of yellow brick and some bathstone dressings. The structure is divided into two sections, each containing three windows that are highlighted by brick and stone pilasters. The center of each section is topped with a segmental pediment in bathstone, flanked by parapets. The left section includes tall windows and loading doors at the center, with sash windows on either side at ground level. The right section has sash windows on the top floor and casement windows on the first floor. Above the first and ground floors, there are classicising fascia boards.

Local climate

City Glassworks sits in a wetter-than-average part of the UK, with an average of 1,080 mm of rain a year. This makes it wetter than 86% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 87% of listed buildings.

It experiences an average of 22 freeze-thaw cycles a year, fewer than 77% of listed buildings. Of these, 8 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
  • 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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