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Rudry Ironworks is a post-medieval and modern industrial site located in Wales, protected as a Scheduled Ancient Monument by Cadw. The works exploited the rich mineral resources of the local geology, situated upon the South Wales Upper Coal Measures Formation. This Westphalian-age bedrock provided the essential raw materials for iron smelting: coal for fuel, ironstone for ore, and ferricrete deposits that offered additional iron-bearing material. The combination of these resources in a single geological sequence made the location strategically valuable for industrial development.
The ironworks represents the industrial transformation of the South Wales coalfield, where geological circumstances enabled large-scale metal production. The mudstone, siltstone and sandstone strata of the Coal Measures Formation supported the infrastructure, whilst the seams of coal and ironstone deposits drove the economic viability of the enterprise. Such works were characterised by furnaces, ore-processing facilities, and associated worker housing built around the pit heads and processing areas.
Today, Rudry Ironworks survives as evidence of Wales's industrial heritage, when the coalfield sustained one of Britain's most important iron-producing regions. The site's archaeological significance lies in its physical remains and in the landscape itself, where geology and human industry intersected to shape the modern industrial economy of South Wales.
Rudry Ironworks is a scheduled monument protected by Cadw under reference GM357. View the official record →
Rudry Ironworks is a post-medieval and modern industrial site located in Wales, protected as a Scheduled Ancient Monument by Cadw.
Rudry Ironworks dates from the post medieval/modern period, and is classified as a ironworks. It is one of over 32,000 scheduled monuments protected across the UK.
Rudry Ironworks 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 GM357.
Several scheduled monuments lie within 10 km, including Castle Field Camp E Of Craig-Llywn (4.3 km), Castell Morgraig (5.2 km), Caerffili Mountain Shaft Mounds (5.2 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Rudry Ironworks'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.
Rudry Ironworks stands on South Wales Upper Coal Measures Formation, bedrock that formed in the Westphalian. The rock here is mudstone, siltstone, sandstone, coal, ironstone and ferricrete.