Penallta Colliery No.2 Headframe is a Grade II* listed building in the Caerphilly local planning authority area, Wales. First listed on 5 November 1991. Industrial.
Penallta Colliery No.2 Headframe
- WRENN ID
- ragged-cinder-ivy
- Grade
- II*
- Local Planning Authority
- Caerphilly
- Constituency
- Caerphilly MP: Chris Evans (Lab)
- Country
- Wales
- Date first listed
- 5 November 1991
- Type
- Industrial
- Address
- Penallta Colliery No.2 Headframe, Penalltau, Ystrad Mynach, Gelligaer
- OS grid reference
- ST 140 957
- Coordinates
- 51.65435, -3.2442
- Source
- Cadw listing
Description
The No. 2 Headframe at Penallta Colliery is a significant structure, being one of the two original headframes for the colliery. It is made of rolled steel and features a four-legged tower with two shear legs on the winder side, supported by a series of cross braces. The headframe includes two sheaves and has a railed access platform around them, which is supported by curving braces. Additionally, there has been a later insertion of metal and concrete structures within and beside the frame that contain rooms.
Local climate
Penallta Colliery No.2 Headframe sits in a wetter-than-average part of the UK, with an average of 1,090 mm of rain a year. This makes it wetter than 87% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 79% of listed buildings.
It experiences an average of 44 freeze-thaw cycles a year, more than 85% of listed buildings. Of these, 21 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
- No sale records on file
- 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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