Upton Forge
1653 - Forge built.
1734 - Acquired by Joshua Gee.
1750 - Acquired by Francis Dorset.
1790 – operated by Wheeler & Company. There were 3 finery forges and a chafery.
1797 - leased by William Hallen.
1800 - leased by William Hazeldine and William Hallen, who developed it into a significant operation for the supply of wrought iron. The most famous orders were the chains for the Menai and Conwy Bridges. The works extended over about 2 miles of the valley. There were two separate forge sites, as well as a complex system of leats and pools originating north of Duncot in a weir across the Tern.[1]
1840 – William Hazledine died and the works closed.