Penallta Colliery Lamp Room is a Grade II listed building in the Caerphilly local planning authority area, Wales. First listed on 5 November 1991. Pump.
Penallta Colliery Lamp Room
- WRENN ID
- dusk-dormer-lichen
- Grade
- II
- Local Planning Authority
- Caerphilly
- Constituency
- Caerphilly MP: Chris Evans (Lab)
- Country
- Wales
- Date first listed
- 5 November 1991
- Type
- Pump
- Address
- Penallta Colliery Lamp Room, Penalltau, Ystrad Mynach, Gelligaer
- OS grid reference
- ST 139 957
- Coordinates
- 51.65376, -3.2456
- Source
- Cadw listing
Description
The Penallta Colliery Lamp Room is a single-storey building designed to store and distribute lamps for miners during their shifts. Built in the style of the other original colliery buildings, it features Pennant sandstone with red brick dressings, including end piers, stepped parapets, a cornice, a plinth, and dentilled window surrounds. The roof, which was originally covered with slates, now has a corrugated covering. The building is gabled and measures six bays long and three bays wide along the north-south axis.
The windows have segmental arched heads and were originally fitted with metal multi-pane frames, which are now blocked. On each side of the building, there are five small openings with painted brick surrounds that were used for passing lamps to waiting miners; these openings once had small metal doors, but none remain in place today. The interior of the building is divided into several offices and the main lamp room.
Local climate
Penallta Colliery Lamp Room 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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