Seamus Lefroy-Brooks

BSc(hons) MSc CEng MICE CGeol FGS CEnv MIEnvSc FRGS SiLC RoGEP UK Registered Ground Engineering Adviser NQMS SQP DoWCoP QP


  • Chartered Civil Engineer, Geologist and Environmentalist
  • past chair of the Land Forum  / National Brownfield Forum
  • past chair of the AGS (Association of Geotechnical & Geoenvironmental Specialists)
  • past chair of CL:AIRE TRG
  • founding committee member of Society of Brownfield Risk Assessment (SoBRA)
  • one of the 12 experts on the government's National Expert Panel for Land Contamination
  • chair of the National Quality Mark Scheme (NQMS) for land affected by contamination
  • member of the Joint Industry Working Group (JIWG) on Asbestos in Soils
  • sits on various CIRIA, BSI and EIC steering groups
  • one of the authors of the present BS4845 guidance relating to landfill gas
  • retained as a basement and ground movement expert by several London Boroughs

Leszek Biel

MEng (Hons) CEng MICE

Leszek joined LBHGEO seven years ago on graduating as a Civil Engineer from Edinburgh University.  He became an associate in 2022 and has a wide range of experience.

  • Chartered Civil Engineer