GDP offers a comprehensive suite of consultancy services to assist the acquisition and development of brownfield land or the long-term management of contaminated land in the UK. With over 20 years’ experience in environmental consulting working with leading investors and developers in a global and regional market place, GDP provides the technical credibility, commercial experience and straight forward advice to deliver the best outcome on each project.  Phase I Desktop  Environmental due diligence  Phase 2 Geo-environmental site investigation for soil and groundwater sampling  Ownership liability appraisal  Detailed human health and controlled waters quantitative risk assessment (DQRA)  Radon investigation & mitigation  Ground gas monitoring and risk assessment  Soil vapour sampling and risk assessment  Identification and mapping of Japanese Knotweed and other invasive species  Contamination remediation method statements  Remediation management, validation and completion statements  Liaison with Local Authority, Environment Agency, NHBC, etc.  Freelance project support, client management and strategic consulting for other practices Clients include: Land & facilities managers, housing developers, industrial/commercial/logistics developers, retail developers, property investors & funders, other design team members.