Close-up of a yellow Leica surveying instrument displaying data on its screen, with a concrete sidewalk and green grass in the background, and white spray-painted markings on the pavement.

What Our GPR Surveys Detect

Our Ground Penetrating Radar surveys locate and map:

  • Buried utilities and services

  • High-voltage and low-voltage electric cables

  • Communication and telecoms cables

  • Water mains and gas services

  • Foul, storm, and combined drainage systems

  • Fibre optic, fuel and heating lines etc.

  • Reinforcement, post-tension cables, and embedded concrete services

  • Voids, obstructions, and anomalous ground conditions

GPR is particularly effective where electromagnetic location is limited, including non-metallic services and reinforced concrete

Our Expertise

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Road-Based GPR Surveys (Stream-Up)

Our road-based GPR surveys use Stream-Up systems, designed for rapid data collection along highways and major roads. These vehicle-mounted systems use optimised antenna centre frequencies to balance depth penetration and resolution, making them ideal for large-scale road and pavement investigations with minimal disruption. Lower to mid-range frequencies allow continuous coverage and deeper detection along road networks.

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Widebody GPR Surveys (Stream DP)

For large or complex sites, we deliver omnidirectional GPR surveys using Stream DP. Multi-channel antenna arrays capture data in multiple directions simultaneously, improving detection of utilities running at different orientations. Carefully selected antenna frequencies and central frequencies provide enhanced coverage, depth accuracy, and resolution in congested ground. This system combines low and high frequencies across multiple channels to detect shallow and deep services more reliably. All data is fully post-processed to increase confidence and reduce the risk of missed services.

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Standard GPR Surveys

We also provide standard walk-over GPR surveys using systems such as GS8000, Leica DS4000, Leica DS2000, and MALA GPR. These systems operate across a range of antenna centre frequencies, allowing high-resolution detection of shallow and deeper features for PAS 128 utility surveys, concrete scanning, trial holes, and borehole clearance. Higher-frequency antennas provide detailed resolution for shallow utilities and embedded structures, while lower frequencies reach deeper subsurface features.

GPR Data Post-Processing (In-House)

Magnitude Geo post-processes all GPR survey data in-house, allowing detailed interpretation, improved depth accuracy, and clearer identification of utilities, structures, voids, and anomalies. Our experienced specialists can also post-process client-supplied GPR data, enhancing resolution, confidence, and reliability for construction, engineering, and ground investigation projects across London, the South East, and the Home Counties.

Post processing gpr data

Request a Free Quote

Planning a construction or civil engineering project in London, the South East, or the Home Counties? Magnitude Geo provides professional GPR surveys (Ground Penetrating Radar) to accurately map underground utilities, structures, voids, and obstructions, helping you plan safely and efficiently.

Request your free, no-obligation quote today and speak directly with an experienced GPR surveyor about your project requirements. Let us provide expert guidance, PAS 128–compliant data, and reliable subsurface mapping tailored to your site.

 

Areas we cover

Greater London

  • GPR survey in City of London

  • GPR survey in Barking and Dagenham

  • GPR survey in Barnet

  • GPR survey in Bexley

  • GPR survey in Brent

  • GPR survey in Bromley

  • GPR survey in Camden

  • GPR survey in Croydon

  • GPR survey in Ealing

  • GPR survey in Enfield

  • GPR survey in Greenwich

  • GPR survey in Hackney

  • GPR survey in Hammersmith and Fulham

  • GPR survey in Haringey

  • GPR survey in Harrow

  • GPR survey in Havering

  • GPR survey in Hillingdon

Greater London

  • GPR survey in Hounslow

  • GPR survey in Islington

  • GPR survey in Kensington and Chelsea

  • GPR survey in Kingston upon Thames

  • GPR survey in Lambeth

  • GPR survey in Lewisham

  • GPR survey in Merton

  • GPR survey in Newham

  • GPR survey in Redbridge

  • GPR survey in Richmond upon Thames

  • GPR survey in Southwark

  • GPR survey in Sutton

  • GPR survey in Tower Hamlets

  • GPR survey in Waltham Forest

  • GPR survey in Wandsworth

  • GPR survey in Westminster

Home Counties

  • GPR survey in Berkshire

  • GPR survey in Buckinghamshire

  • GPR survey in Essex

  • GPR survey in Hertfordshire

  • GPR survey in Kent

  • GPR survey in Surrey

  • GPR survey in East Sussex

  • GPR survey in West Sussex

South East England

  • GPR survey in Oxfordshire

  • GPR survey in Hampshire

  • GPR survey in Isle of Wight

  • GPR survey in Bedfordshire

  • GPR survey in Milton Keynes