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Utility & Subsurface Surveys

£150.00 £350.00

  • PAS 128 utility surveys and underground service detection

  • Ground Penetrating Radar (GPR) and electromagnetic locating

  • Detection of buried utilities, ducts, cables, pipework and drainage runs

  • Mapping of subsurface anomalies and underground obstructions

  • Utility tracing for excavation, design and construction planning

  • Verification of existing service routes prior to intrusive works

  • Support for ground investigation, site clearance and risk reduction

  • Clear deliverables including marked-out services and engineer-ready reporting

Securing Your Project: The amount listed below represents a standard booking deposit to schedule our site attendance. As every structural investigation is unique, final project costs are tailored to your specific requirements. For a comprehensive, fixed-fee quotation prior to booking, please Contact us

  • PAS 128 utility surveys and underground service detection

  • Ground Penetrating Radar (GPR) and electromagnetic locating

  • Detection of buried utilities, ducts, cables, pipework and drainage runs

  • Mapping of subsurface anomalies and underground obstructions

  • Utility tracing for excavation, design and construction planning

  • Verification of existing service routes prior to intrusive works

  • Support for ground investigation, site clearance and risk reduction

  • Clear deliverables including marked-out services and engineer-ready reporting

Securing Your Project: The amount listed below represents a standard booking deposit to schedule our site attendance. As every structural investigation is unique, final project costs are tailored to your specific requirements. For a comprehensive, fixed-fee quotation prior to booking, please Contact us

ACUO SI Ltd provides specialist utility and subsurface surveys to help contractors, engineers, developers and asset owners identify and map buried services before excavation, drilling, piling, demolition or construction works begin. Understanding what lies below ground is critical for safe project delivery, as unidentified utilities and subsurface obstructions can lead to service strikes, delays, costly damage and major safety risks.

Our surveys are carried out using advanced Ground Penetrating Radar (GPR) and electromagnetic locating equipment to detect and trace a wide range of buried utilities and underground features. This includes electric cables, water mains, gas lines, telecoms, fibre, drainage runs, ducts, chambers and other concealed subsurface infrastructure. Where required, surveys can be undertaken in line with PAS 128 to provide a structured and recognised standard for underground utility detection and mapping.

Utility and subsurface surveys are essential for projects involving excavation, trial pits, drainage works, utility installation, foundation construction, roadworks, site investigation and redevelopment. By identifying existing underground services at an early stage, project teams can plan works more safely, coordinate excavation zones more effectively and reduce the risk of damaging critical infrastructure.

Our services can also assist with the identification of buried obstructions, unknown service routes and subsurface anomalies, helping clients better understand site constraints before works commence. This is particularly valuable on brownfield sites, complex urban projects and refurbishment works where existing records may be incomplete or unreliable.

All findings are supported by clear site mark-outs, mapped outputs and detailed engineer-ready reporting, giving clients practical information they can use both on site and during design or planning stages. ACUO SI Ltd delivers reliable utility detection and subsurface survey services across London, the South East and throughout the UK, helping reduce risk and support safe, informed project delivery.