Nos. 17 & 18 Y Groes is a Grade II listed building in the Cardiff local planning authority area, Wales. First listed on 30 November 2001. Houses.
Nos. 17 & 18 Y Groes
- WRENN ID
- grim-postern-spring
- Grade
- II
- Local Planning Authority
- Cardiff
- Constituency
- Cardiff North MP: Anna McMorrin (Lab)
- Country
- Wales
- Date first listed
- 30 November 2001
- Type
- Houses
- Address
- Nos. 17 & 18 Y Groes, Rhiwbina Garden Village (Centre), Rhiwbina
- OS grid reference
- ST 159 810
- Coordinates
- 51.52225, -3.21341
- Source
- Cadw listing
Description
Nos. 17 and 18 Y Groes are a pair of semi-detached houses. The upper storey is roughcast rendered, while the ground floor features snecked rockfaced stone with ashlar quoins. The roof is part-hipped, covered with small slates, and has slightly swept eaves with kneelers. There are end and centre ridge stacks. The front has a plan with twin hipped gables and a cross wing at the rear. The windows are small-pane casements, with 2-light windows on the first floor, which has a 4-window range, and 3-light windows on the ground floor. There are narrow doorways at both ends and main side doorways that have hoods. No. 17 includes a lean-to at the side.
Local climate
Nos. 17 & 18 Y Groes 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
- Sale history — 5 transactions since 2001
- 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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