5 Gelli Houses is a Grade II listed building in the Neath Port Talbot local planning authority area, Wales. First listed on 31 July 2000. Housing.

5 Gelli Houses

WRENN ID
fading-step-birch
Grade
II
Local Planning Authority
Neath Port Talbot
Constituency
Aberafan Maesteg MP: Stephen Kinnock (Lab)
Country
Wales
Date first listed
31 July 2000
Type
Housing
Address
5 Gelli Houses, Glyncorrwg, SA13 3NP
OS grid reference
SS 872 961
Coordinates
51.65322, -3.63179
Source
Cadw listing

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

Description

5 Gelli Houses were built in 1883 for coal miners working at nearby pits owned by the Glyncorrwg Coal Mining Company. This single-storey construction is notable for being one of the last examples of its type. Each house has four rooms and a lean-to pantry at the back, with only two of the rooms originally heated. The houses initially shared a communal bakehouse, which had been demolished by 1904.

The Gelli Houses consist of two rows of six double-fronted houses arranged end-to-end but not quite parallel. The walls, made of rubble stone, are now rendered, and the roofs have been renewed. Most of the brick chimneys remain, with some also rendered. The windows and doors have been replaced, but they mostly fit within the original openings.

Local climate

5 Gelli Houses sits in one of the wettest parts of the UK, with an average of 1,300 mm of rain a year. This makes it wetter than 95% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 93% of listed buildings.

It experiences an average of 39 freeze-thaw cycles a year, more than 74% of listed buildings. Of these, 18 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 2023
  • 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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