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Llanerch-y-mor Lead Smelting Chimney is a Victorian lead works situated on bedrock of the South Wales Lower Coal Measures Formation. The underlying mudstone, siltstone, sandstone and ironstone deposits reflect the region's industrial geology, which supported both mining and smelting operations throughout the nineteenth century. The chimney stands as a testament to the extractive industries that characterised this part of Wales during the period of industrial expansion.
Lead smelting was a crucial stage in processing ore from the mines that riddled the Welsh landscape. The chimney would have vented the furnace fumes and smoke from the smelting process high into the air, a necessity for both practical and health reasons. Such structures became iconic features of Victorian industrial sites across Britain and Wales.
The monument is protected by Cadw, the Welsh Historic Monuments service, under reference FL214. Its survival into the present day makes it a significant record of nineteenth-century industrial technology and the region's economic history. The chimney remains an important indicator of where metal extraction and processing shaped the local landscape and community during the Victorian era.
Llanerch-y-mor Lead Smelting Chimney is a scheduled monument protected by Cadw under reference FL214. View the official record →
Llanerch-y-mor Lead Smelting Chimney is a Victorian lead works situated on bedrock of the South Wales Lower Coal Measures Formation. It is designated a Scheduled Ancient Monument by Cadw under reference FL214.
Llanerch-y-mor Lead Smelting Chimney dates from the victorian period, and is classified as a lead work. It is one of over 32,000 scheduled monuments protected across the UK.
Llanerch-y-mor Lead Smelting Chimney 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 FL214.
Several scheduled monuments lie within 10 km, including Bryn y Cosyn Round Barrows (6.6 km), Round Barrow 225m SE of Parc y Prysau (6.7 km), Round Barrow 495m SE of Parc y Prysau (6.9 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Llanerch-y-mor Lead Smelting Chimney'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.
Llanerch-y-mor Lead Smelting Chimney stands on Pennine Lower Coal Measures Formation And South Wales Lower Coal Measures Formation (Undifferentiated), bedrock that formed in the Westphalian. The rock here is mudstone, siltstone, sandstone, coal, ironstone and ferricrete.