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Hot & Cold Rolling Mills, Kidwelly Tinplate Works is a post-medieval and modern industrial monument in Wales, protected by Cadw under reference CM254. The works occupy ground underlain by Dinantian limestone with subordinate sandstone and argillaceous rocks, formation geology that shaped both the landscape and the industrial development of the region. Tinplate manufacture, which required substantial water resources and fuel supplies, made the Kidwelly area a centre for this specialised metalworking during its period of operation.
The Hot & Cold Rolling Mills represent the mechanical infrastructure essential to tinplate production, where sheets of steel were rolled to precise thicknesses and finished to produce the characteristic thin, coated metal used extensively in packaging and domestic goods. The two-stage rolling process—hot and cold—allowed manufacturers to achieve the quality standards demanded by contemporary markets. The surviving structures document the industrial practices and technological capabilities of Welsh tinplate works during their period of prominence.
The monument stands as evidence of Wales's significant role in the nineteenth and twentieth-century tinplate industry, which transformed local economies and landscapes. The bedrock geology beneath the site, part of the South Wales Carboniferous deposits, provided both the mineral resources and water sources that supported industrial enterprises across the region. Kidwelly's tinplate works were among numerous such installations that made South Wales a major centre of metal manufacture during the industrial era.
Hot & Cold Rolling Mills, Kidwelly Tinplate Works is a scheduled monument protected by Cadw under reference CM254. View the official record →
Hot & Cold Rolling Mills, Kidwelly Tinplate Works is a post-medieval and modern industrial monument in Wales, protected by Cadw under reference CM254.
Hot & Cold Rolling Mills, Kidwelly Tinplate Works dates from the post medieval/modern period, and is classified as a tinplate works. It is one of over 32,000 scheduled monuments protected across the UK.
Hot & Cold Rolling Mills, Kidwelly Tinplate Works is a Scheduled Ancient Monument, legally protected by Cadw — the body responsible for designating and safeguarding heritage sites in Wales. The official designation reference is CM254.
Several scheduled monuments lie within 10 km, including Spudder's Bridge (2.4 km), Glanstony Aqueduct, Trimsaran (2.7 km), Dome Gunnery Trainer, Pembrey Airfield (4.5 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Hot & Cold Rolling Mills, Kidwelly Tinplate Works's history, each drawn from the record and mapped to the exact spot:
Every location is different. Not every section appears for every place, only what the historical record actually holds turns up in a report.
Hot & Cold Rolling Mills, Kidwelly Tinplate Works stands on Dinantian Rocks (Undifferentiated), bedrock that formed in the Mississippian. The rock here is limestone with subordinate sandstone and argillaceous rocks.