Nos. 25 & 27 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. 25 & 27 Heol-y-deri

WRENN ID
burning-lantern-stoat
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. 25 & 27 Heol-y-deri, Rhiwbina Garden Village (E), Rhiwbina
OS grid reference
ST 159 811
Coordinates
51.52296, -3.21293
Source
Cadw listing

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

Description

Nos. 25 and 27 Heol-y-deri are a pair of semi-detached houses built in the Rhiwbina Type 9 style. They are two storeys high and feature roughcast render that is painted. There is a band at the first-floor sill level and a hipped slate roof with a central brick chimney. The outer bays have a round-headed arch leading to an open porch, which contains the original door with glazing in the upper part. On each floor, there are two tripartite small-pane sash windows, each consisting of a central 12-pane sash flanked by narrow sashes.

Local climate

Nos. 25 & 27 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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