Ancient Monuments

History on the Ground

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Charcoal Blast Furnace at Abercarn

A Scheduled Monument in Abercarn, Caerphilly (Caerffili)

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Latitude: 51.6471 / 51°38'49"N

Longitude: -3.1342 / 3°8'3"W

OS Eastings: 321622

OS Northings: 194866

OS Grid: ST216948

Mapcode National: GBR J0.7DC8

Mapcode Global: VH6DG.MVFP

Entry Name: Charcoal Blast Furnace at Abercarn

Scheduled Date: 24 October 1995

Source: Cadw

Source ID: 1441

Cadw Legacy ID: MM250

Schedule Class: Industrial

Category: Blast Furnace

Period: Post Medieval/Modern

County: Caerphilly (Caerffili)

Community: Abercarn

Built-Up Area: Abercarn

Traditional County: Monmouthshire


The monument comprises the remains of an Industrial blast furnace, dating to the 18th century and fuelled by charcoal. The remains include a square stone stack on the bank above the river, stone charging house, waterwheel pit and wireworks. The charging house was later used as a forge. The furnace is probably the successor of an earlier furnace situated some distance to the east up the valley of the Nant Gwyddon. The monument is of national importance for its potential to enhance and illustrate our knowledge and understanding of the development of the iron industry in Wales. It retains significant archaeological potential, with the strong possibility of the presence of associated archaeological features and deposits. A blast furnace may be part of a larger cluster of industrial monuments and their importance can further enhanced by their group value. The scheduled area comprises the remains described and areas around them within which related evidence may be expected to survive.

Source: Cadw

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