Nos. 29 & 31 Heol-y-deri is a Grade II listed building in the Cardiff local planning authority area, Wales. First listed on 30 November 2001. House.

Nos. 29 & 31 Heol-y-deri

WRENN ID
eastward-eave-mist
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. 29 & 31 Heol-y-deri, Rhiwbina Garden Village (E), Rhiwbina
OS grid reference
ST 159 811
Coordinates
51.5231, -3.213
Source
Cadw listing

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

Description

Nos. 29 and 31 Heol-y-deri are a pair of semi-detached houses dating from the 20th century. They are two storeys high and feature roughcast render that is painted, along with a slate roof and a central rendered chimney. The houses have modern glazing.

At the centre, there are two projecting gabled bays that include a four-light window on the first floor and a splayed bay window on the ground floor. The outer bays each have a square window at the eaves, and on the ground floor, there is a door towards the centre and a window beneath a flat hood. The original door belongs to No. 31, while No. 29 has a modern door. At the rear, the roof slopes down over the rear projections.

Local climate

Nos. 29 & 31 Heol-y-deri 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 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
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