Nos. 38 & 40 Lon Isa is a Grade II listed building in the Cardiff local planning authority area, Wales. First listed on 30 November 2001. House.
Nos. 38 & 40 Lon Isa
- WRENN ID
- endless-balcony-cobweb
- 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. 38 & 40 Lon Isa, Rhiwbina Garden Village (N), Rhiwbina
- OS grid reference
- ST 156 811
- Coordinates
- 51.52253, -3.21728
- Source
- Cadw listing
Description
Nos. 38 and 40 Lon Isa are a pair of semi-detached houses, classified as Rhiwbina Type 12, built in two storeys. They feature roughcast render that is painted, with hipped slate roofs and a central brick chimney. The central bay is advanced and has a hipped roof, with original 16-pane sash windows at No. 40, while No. 38 has replacement glazing. In the outer bays, there are small square windows located at the eaves. On the ground floor, No. 38 has an original half-glazed door beneath a flat hood, whereas No. 40 has a modern porch with a flat roof.
Local climate
Nos. 38 & 40 Lon Isa 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 — 1 transaction since 2005
- 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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