Brymbo Steelworks

Remediation of industrial contamination from lead smelting, iron and steel making, coal mining, coke manufacture and waste disposal across 200 ha of land.

  • Excavation, screening and re-profiling of 1.8 million cubic metres of industrial wastes and overburden.
  • Removal of heavy concrete foundations, road tunnel, unstable slag banks, mine shafts and shallow workings.
  • Disposal of 16,000 m3 of hydrocarbon-contaminated wastes.
  • Creation of 25 ha of land for infrastructure, residential, community, commercial and industrial development.
  • Release of residential development land for over 600 new homes, apartments and a school.
  • Remediation of heritage areas and buildings, and creation of wildlife habitats and public open space.
  • Containment engineering to hazardous waste landfill.

SGP environmental consultancy tasks

  • desk study and intrusive site investigations including collection of over 500 samples
  • quantitative environmental risk assessments and reviews throughout project
  • remedial strategy and approval of soil and water targets
  • approval of method statements for waste testing and reuse, water quality monitoring and assessment, dust and air quality monitoring, coke ovens remediation, and landfill gas monitoring
  • environmental monitoring of mine drainage levels, surface waters, fugitive dust, noise, landfill gas by site chemist over 3 years
  • acid mine drainage and slag bank leachate monitoring and design of water treatment
  • slag stability assessment and waste testing for leachable substances validation testing and completion reports for 10 development modules

Key facts


  • 1995 SGP investigations commenced
  • 2001 Preparatory site works commenced
  • 2003 Full site remediation commenced
  • 2005 Principal remediation completion
  • 2006 Housing construction commenced

Project cost - £18 million

Main development modules - Client / Contractor: Parkhill Estates / Brymbo Developments Ltd. Public sector areas – Brymbo Developments Ltd. contracted to Wrexham County Borough Council, funded by Welsh Development Agency land regeneration grant.

About Company

Smith Grant LLP has been providing independent and expert environmental consultancy advice since its establishment in 1993.

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  • Address:
    Station House
    Station Road, Ruabon
    Wrexham. LL14 6DL

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