Nos. 20 & 22 Lon-y-dail is a Grade II listed building in the Cardiff local planning authority area, Wales. First listed on 30 November 2001. Semi-detached houses.
Nos. 20 & 22 Lon-y-dail
- WRENN ID
- tangled-flue-root
- Grade
- II
- Local Planning Authority
- Cardiff
- Constituency
- Cardiff North MP: Anna McMorrin (Lab)
- Country
- Wales
- Date first listed
- 30 November 2001
- Type
- Semi-detached houses
- Address
- Nos. 20 & 22 Lon-y-dail, Rhiwbina Garden Village (W), Rhiwbina
- OS grid reference
- ST 158 811
- Coordinates
- 51.52279, -3.21478
- Source
- Cadw listing
Description
Nos. 20 and 22 Lon-y-dail are among the widest pairs of semi-detached houses in the Garden Village development. They are roughcast rendered with roofs made of small slates, featuring swept eaves and tall rear and lateral stacks. The houses have a symmetrical plan with a central recessed section and stepped forward middle gabled wings for each dwelling. Each wing incorporates a doorway with a hood and a boarded part-glazed door on the return, along with a further stepped forward outer gabled wing on each side. The gables have kneelers, and the outer ones are slate hung. The original windows are small pane casements with narrow sills, and the ground floor features cross-framed windows.
No. 20 has replaced windows and a door. There is a shed, possibly built at the same time as the house, to the right, which is weather boarded with a slate roof. No. 22 has a porch wing on the side.
Local climate
Nos. 20 & 22 Lon-y-dail 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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- 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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