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Cof Cymru: National Historic Assets of Wales · Wales

Tintern Upper Wireworks (New Tongs Mill)

Wye Valley, Monmouthshire, Wales

The record

Designation
Scheduled monument
Site type
Leat
Period
Post Medieval/Modern
Date of designation
7 October 1998
Community
Wye Valley
Unitary authority
Monmouthshire
Country
Wales
Coordinates (centre of the scheduled area)
51.69974, -2.71213
SAM number
MM268
Cadw record number
3958

Slide toward Today to fade the historical sheet and see the modern map underneath.

David Rumsey Map Collection, Stanford Libraries

Shown on 5 historical map sheets, the earliest the 1608 "(13) Cambriae Typus." (David Rumsey Map Collection, Stanford Libraries).

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This record in Cadw's own full report ↗

Cadw's description

The following provides a general description of the Scheduled Ancient Monument.

The monument consists of a leat, an artificial water channel that supplied the Tintern Upper Wireworks or New Tongs Mill, together with the remains of associated structures. Substantial retaining walls required to terrace the site survive along with the bastion and pit of a waterwheel, believed to have been 6m in diameter, the footings of the wire drawing mill and annealing furnace and the terraced working area. The works was built in about 1803 and was operated as part of the chain of ironworks in the Angidy Valley, the most important centre in Britain for wire making from the 16th century to the late 19th century. The wireworks ceased operation in the early 20th century.

The monument is of national importance for its potential to enhance our knowledge of 18th or 19th century industrial practices. It retains significant archaeological potential, with a strong probability of the presence of associated archaeological features and deposits. The structure itself may be expected to contain archaeological information concerning chronology and building techniques. A leat may be part of a larger cluster of 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.

Nearby in the register

Other entries of the same register within about three miles of this one, by straight line.

Designated Historic Asset GIS Data, The Welsh Historic Environment Service (Cadw), 2026-09-07, licensed under the Open Government Licence http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/ Cadw, the Welsh Historic Environment Service · Open Government Licence v3.0
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