Nos. 15 & 16 Y Groes is a Grade II listed building in the Cardiff local planning authority area, Wales. First listed on 30 November 2001. House.

Nos. 15 & 16 Y Groes

WRENN ID
buried-copper-bistre
Grade
II
Local Planning Authority
Cardiff
Constituency
Cardiff North MP: Anna McMorrin (Lab)
Country
Wales
Date first listed
30 November 2001
Type
House
Address
Nos. 15 & 16 Y Groes, Rhiwbina Garden Village (Centre), Rhiwbina
OS grid reference
ST 159 810
Coordinates
51.5225, -3.21318
Source
Cadw listing

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

Description

Nos. 15 and 16 Y Groes are a pair of long semi-detached houses built with roughcast render and topped with a roof of small slates. The houses feature slightly swept eaves, a central ridge, and tall lateral stacks. They have a symmetrical layout with a recessed central two-bay section, flanked by narrow gabled wings that step forward and include entrances. At each end, there are wider gabled wings with kneeelers. The windows consist of small-pane casements, with a single window range in each cross-bay and cross-framed windows on the ground floor. The doors are boarded and part-glazed, set back within porches made of unrendered coursed rock-faced stone and ashlar. No. 16 has a stepped back lean-to.

Local climate

Nos. 15 & 16 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 — 2 transactions since 2004
  • 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. The Wendy House Grade II 25 m
  2. Nos. 17 & 18 Y Groes Grade II 31 m
  3. Nos. 25 & 27 Heol-y-deri Grade II 55 m
  4. Nos. 9 & 10 Y Groes Grade II 60 m
  5. Nos. 29 & 31 Heol-y-deri Grade II 69 m
  6. Nos. 7 & 8 Y Groes Grade II 70 m
  7. Nos. 5 & 6 Y Groes Grade II 77 m
  8. Nos. 12 & 14 Lon-y-dail Grade II 82 m
  9. Nos. 8 & 10 Lon-y-dail Grade II 82 m
  10. Nos. 33 & 35 Heol-y-deri Grade II 87 m