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Former Pump House at Dunlop Semtex Factory

A Grade II Listed Building in Nantyglo, Blaenau Gwent

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Coordinates

Latitude: 51.7927 / 51°47'33"N

Longitude: -3.1779 / 3°10'40"W

OS Eastings: 318858

OS Northings: 211107

OS Grid: SO188111

Mapcode National: GBR YZ.Y6C8

Mapcode Global: VH6CV.V6TJ

Entry Name: Former Pump House at Dunlop Semtex Factory

Listing Date: 30 September 1999

Last Amended: 30 September 1999

Grade: II

Source: Cadw

Source ID: 22383

Building Class: Industrial

Location: Prominently located on the W side of road leading from Brynmawr to Winchestown. Building is situated on fringe of large pond, SW of factory complex.

County: Blaenau Gwent

Community: Nantyglo and Blaina (Nantyglo a Blaenau)

Community: Nantyglo and Blaina

Locality: Brynmawr

Built-Up Area: Nantyglo

Traditional County: Monmouthshire

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Brynmawr

History

Built 1946-8 as the pump house for the contemporary Brynmawr Rubber Factory. The complex was designed by the Architects’ Co-operative, in conjunction with the structural engineers Ove Arup and Partners. The factory was initiated by Lord Forrester, Director of Brimsdown Rubber Company, who aimed to provide large-scale employment in the economically depressed valleys. The structural ingenuity of the factory was renowned, particularly the use of thin-shell concrete vaults and domes, covering a vast open production area. The factory converted raw rubber into a variety of manufactured goods, including floor tiles, shoe soles, and industrial products. The building cost £800,000, the contractors being Holland, Hannen and Cubitt of London. Taken over by Dunlop Semtex in 1956, who made synthetic flooring for hospitals and public buildings. Cheaper manufactured goods and improvements in industrial floor coverings led to closure in 1982. Local tradition states that the circular stone-faced pump-house was inspired by the nearby roundhouses, built c. 1822 by Joseph Bailey to protect himself and his family against rebellion at the Nantyglo Ironworks.

Exterior

Tall circular building, of concrete construction, faced with Pennant stone. Continuous low clerestory of two-light windows below concrete saucer domed roof, which has bitumen covering. Doorway facing road with cambered stone voussoired head. Continuous pre-cast concrete walkway around base of building with metal rail.

Interior

Saucer dome has radiating ribs and central oculus.

Reasons for Listing

Listed as part of a renowned and constructionally pioneering industrial complex, the first work to be designed by the prolific Architects’ Co-operative Partnership in conjunction with one of Britain’s leading structural engineers, Sir Ove Arup. Group value with the main factory complex.

Other nearby listed buildings

  • II* Former Boiler House at Dunlop Semtex Factory
    Prominently sited on the E side of the A467 on the S edge of Brynmawr, opposite main Dunlop Semtex factory complex (separately listed within Nantyglo and Blaina Community).
  • II* NE Roundhouse at Roundhouse Farm
    Roundhouse Farm is situated on the valley bottom, W of Nantyglo. Farm reached off the end of Waun Ebbw Road. NE tower located alongside main entrance to farmyard.
  • II* Agricultural Range at Roundhouse Farm
    Roundhouse Farm is situated on the valley bottom, W of Nantyglo. Farm reached off the end of Waun Ebbw Road, with the agricultural range situated S of the early C20 farmhouse.
  • II* SW Roundhouse at Roundhouse Farm
    Roundhouse Farm is situated on the valley bottom, W of Nantyglo. Farm reached off the end of Waun Ebbw Road. SW tower located some 40 metres away from farmyard.
  • II The Vicarage
    Both vicarage and St Mary’s Church are reached off the N end of Dumfries Place. The vicarage stands some 30 metres SW of the church.

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