Former Rolling Mill at Treforest Tinplate Works is a Grade II* listed building in the Rhondda Cynon Taf local planning authority area, Wales. First listed on 27 October 1980. Hospital.
Former Rolling Mill at Treforest Tinplate Works
- WRENN ID
- over-balcony-magpie
- Grade
- II*
- Local Planning Authority
- Rhondda Cynon Taf
- Constituency
- Pontypridd MP: Alex Davies-Jones (Lab)
- Country
- Wales
- Date first listed
- 27 October 1980
- Type
- Hospital
- Address
- Former Rolling Mill at Treforest Tinplate Works, Pontypridd, Rhondda Cynon Taff
- OS grid reference
- ST 087 879
- Coordinates
- 51.58309, -3.31885
- Source
- Cadw listing
Description
The Former Rolling Mill at Treforest Tinplate Works is a long building constructed from rubble stone, with brick eaves and a roof made of corrugated asbestos-cement featuring strip glazing and a raised ridge ventilator. The south gable end has three round-headed doorways, with the central doorway featuring a keystone dated 1835. Above these doorways are three stepped bullseye vents. The east wall displays round-headed openings that alternate with round vents, which have inserted brickwork. The central bays contain four smaller doorways situated between wider doorways. The north gable end has three stepped bullseye vents in the gable, along with three doorways below; the left-hand doorway has brick dressings and indicates a widening of the building, while the other two doorways and the vents are adorned with stone dressings.
The west wall, which faces the feeder, consists of 33 bays that have all been infilled, primarily with tall round-headed doorways. Seven openings feature sills that align with sluice gates in the feeder, allowing iron launders to bring water into the building for the waterwheels. This wall also includes three evenly-placed wider doorways.
The building was not accessible at the time of inspection.
Local climate
Former Rolling Mill at Treforest Tinplate Works sits in a wetter-than-average part of the UK, with an average of 1,120 mm of rain a year. This makes it wetter than 88% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 85% of listed buildings.
It experiences an average of 33 freeze-thaw cycles a year, fewer than 53% of listed buildings. Of these, 14 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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