Greenstone Engineering provide high quality construction site investigation services across London and the South-East. All of our investigations are supervised by suitably qualified and experienced ground engineering professionals. Services include:

• Machine/Hand Excavated Trial Pits
• Foundation Inspection Pits
• Hand Augers
• In Situ Testing
• Dynamic Sampling – Window Sample Drilling
• Geotechnical and Geoenvironmental Soil Sampling and Accredited Testing
• TRL DCP Probing
• Groundwater and Ground Gas Monitoring

Additional deep investigative techniques including Shell and Auger/Rotary Drilling are available via our approved, quality assured sub-contractors. Succinct and affordable factual reports and site records are typically issued upon completion of site works.