Nos. 14 & 16 Lon Isa is a Grade II listed building in the Cardiff local planning authority area, Wales. First listed on 30 November 2001. Residential.

Nos. 14 & 16 Lon Isa

WRENN ID
distant-iron-martin
Grade
II
Local Planning Authority
Cardiff
Constituency
Cardiff North MP: Anna McMorrin (Lab)
Country
Wales
Date first listed
30 November 2001
Type
Residential
Address
Nos. 14 & 16 Lon Isa, Rhiwbina Garden Village (N), Rhiwbina
OS grid reference
ST 158 811
Coordinates
51.52309, -3.21448
Source
Cadw listing

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

Description

Nos. 14 and 16 Lon Isa are a pair of semi-detached houses dating from the 19th century. They are two storeys tall and feature roughcast render with exposed grey stone on the ground floor at the front. Each house has a slate roof with a chimney. The glazing has been replaced, and No. 16 has decorative shutters. The front facade showcases a large pair of gables with half-hipped roofs. On the first floor, there are four windows, with each house having a 2-light casement window towards the centre and a narrow casement window at the end. On the ground floor, each house features a 3-light casement window towards the centre and a doorway. In the narrow recessed outer bays, which are located beyond the gables, there is a small square window on the ground floor.

Local climate

Nos. 14 & 16 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 — 7 transactions since 2002
  • 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. Nos. 10 & 12 Lon Isa Grade II 16 m
  2. Nos. 18 & 20 Lon Isa Grade II 16 m
  3. Nos. 6 & 8 Lon Isa Grade II 32 m
  4. Nos. 5 & 6 Y Groes Grade II 35 m
  5. Nos. 13 & 15 Lon Isa Grade II 37 m
  6. Nos. 24 & 26 Lon-y-dail Grade II 38 m
  7. Nos. 17 & 19 Lon Isa Grade II 39 m
  8. Nos. 9 & 11 Lon Isa Grade II 40 m
  9. Nos. 20 & 22 Lon-y-dail Grade II 40 m
  10. Nos. 7 & 8 Y Groes Grade II 43 m