Ancient Monuments

History on the Ground

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Melin Mynach, Gorseinon

A Scheduled Monument in Gorseinon, Swansea (Abertawe)

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Latitude: 51.6726 / 51°40'21"N

Longitude: -4.0366 / 4°2'11"W

OS Eastings: 259270

OS Northings: 199059

OS Grid: SS592990

Mapcode National: GBR GW.8RB9

Mapcode Global: VH4K1.Z7D3

Entry Name: Melin Mynach, Gorseinon

Scheduled Date: 24 January 1996

Source: Cadw

Source ID: 1479

Cadw Legacy ID: GM501

Schedule Class: Industrial

Category: Mill

Period: Post Medieval/Modern

County: Swansea (Abertawe)

Community: Gorseinon

Built-Up Area: Gorseinon

Traditional County: Glamorgan


The monument consists the remains of a watermill. Water power has been used at this location for a number of industrial purposes for a long period. The earliest mill is thought to be of monastic origin, possibly built after Neath Abbey took over the estate of Cwrt-y-carnau in 1150, and was probably a corn mill. The first documentary reference to a mill was in 1578. In 1772 it was converted for paper making, and was one of the first of its kind in Wales, in use for over a century. It was returned to use as a corn mill in the 1830's, but in 1866 William Lewis converted the mill to woollen manufacture, enlarging it substantially in 1874. From 1888 the site was turned to chemical and tinplate manufacturing, and the mill itself became disused. The main surviving features are the leat, pond, paper mill, woollen mill, two wheel pits, dye-houses and the mill owner's house.

The monument is of national importance for its potential to enhance our knowledge of water management systems and 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.

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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