Former Smithy 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. Industrial. 1 related planning application.

Former Smithy at Treforest Tinplate Works

WRENN ID
final-lime-alder
Grade
II*
Local Planning Authority
Rhondda Cynon Taf
Constituency
Pontypridd MP: Alex Davies-Jones (Lab)
Country
Wales
Date first listed
27 October 1980
Type
Industrial
Address
Former Smithy at Treforest Tinplate Works, Pontypridd, Rhondda Cynon Taff, CF37 5HP
OS grid reference
ST 087 879
Coordinates
51.58333, -3.31814
Source
Cadw listing

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

Description

The Former Smithy at Treforest Tinplate Works is a Grade II* listed building. The exterior is covered with asbestos sheets over low brick walls, featuring double doors on the north gable end. The gabled roof is made of asbestos-cement sheets. Hidden beneath the cladding is the original cast iron frame, which consists of four bays in length and one bay in width. This frame includes cast iron uprights supported by segmental arched braces, which have open circles in the spandrels, a design characteristic of the Cyfarthfa Iron Company style.

Inside, the space is divided by a blockwork cross wall. Each of the four bays contains three timber queen-post trusses.

Local climate

Former Smithy 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
  • Sale history — 2 transactions since 2007
  • Related listed building consents — 1 application
  • 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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