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

3 Gelli Houses

WRENN ID
endless-jamb-shade
Grade
II
Local Planning Authority
Neath Port Talbot
Constituency
Aberafan Maesteg MP: Stephen Kinnock (Lab)
Country
Wales
Date first listed
31 July 2000
Type
Houses
Address
3 Gelli Houses, Glyncorrwg
OS grid reference
SS 872 961
Coordinates
51.65309, -3.63181
Source
Cadw listing

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

Description

The Gelli Houses, built in 1883 for coal miners working at nearby pits owned by the Glyncorrwg Coal Mining Company, are notable for their single-storey construction, making them one of the latest examples of this type. Each house consists of four rooms with a lean-to pantry at the back, although only two of the rooms were originally heated. The houses initially shared a communal bakehouse, which had been demolished by 1904.

The Gelli Houses are arranged in two rows of six double-fronted houses placed end-to-end but not quite parallel. The walls, originally made of rubble stone, are now rendered, and the roofs have been renewed. Most of the brick chimney stacks remain, with some also rendered. The windows and doors have been replaced but are mostly in their original openings. The roof is covered with replaced tiles.

Local climate

3 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 2004
  • 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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