Cefn Coed Colliery chimney and boiler house flue is a Grade II* listed building in the Neath Port Talbot local planning authority area, Wales. First listed on 4 February 1991. Chimney.

Cefn Coed Colliery chimney and boiler house flue

WRENN ID
solitary-flint-rain
Grade
II*
Local Planning Authority
Neath Port Talbot
Constituency
Neath and Swansea East MP: Carolyn Harris (Lab)
Country
Wales
Date first listed
4 February 1991
Type
Chimney
Address
Cefn Coed Colliery chimney and boiler house flue, Crynant
OS grid reference
SN 785 033
Coordinates
51.71533, -3.7594
Source
Cadw listing

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

Description

The Cefn Coed Colliery chimney and boiler house flue is a notable structure made of red brick, primarily circular in shape and slightly tapering towards the top, which features a convex cornice located about 2 to 3 meters below the summit. The base of the chimney has a hipped design, resulting in a wider octagonal ground plan. On the north side, there is a blocked doorway with a semi-circular arch made of brick voussoirs, while the rear (east side) has a large iron door and control machinery. Attached to the base of the chimney at the rear is a large brick flue that runs north and rises from the boiler house. There is also a blocked access door at the southwest end. This chimney and flue were used to serve six Lancashire boilers located in the adjacent buildings, which provided steam to operate the winding engines.

Local climate

Cefn Coed Colliery chimney and boiler house flue sits in one of the wettest parts of the UK, with an average of 1,380 mm of rain a year. This makes it wetter than 97% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 96% of listed buildings.

It experiences an average of 28 freeze-thaw cycles a year, fewer than 69% of listed buildings. Of these, 12 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 — 4 transactions since 1999
  • 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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