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October 18, 2021

How Much Does GPR Surveying Cost?

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Do you want to hire GPR surveying services for your project but are hesitant because of the perceived costs? This blog discusses the expenses associated with conducting a GPR survey, along with other essential factors you should consider before selecting a provider, including the experience of the GPR surveyors concerned and the quality service they offer.

Ground Penetrating Radar (GPR) is a geophysical locating technique. It utilises radio waves to scan underground, giving you an accurate picture or impression of any subsurface location, item, or object. GPR surveys are carried out using fully non-destructive technology, so there is no damage nor any other adverse side effects to the area being scanned.

GPR surveying costs tend to vary depending on the location being surveyed, the complexity of the GPR equipment that needs to be used, and various other factors. Typically, the average price of a complete GPR survey is between £18,800 and £36,000.

If you choose to have your GPR survey conducted by professional GPR survey contractors, be prepared to spend £780 to £1,800 a day on their services. This price could change depending on the extent of the GPR survey needing to be carried out and whether you will need a detailed report of the findings afterwards.

Many businesses use the cost of the service as the main criterion when deciding whether to hire in this service. Notably, they will ask for quotes from GPR surveying companies and then opt for the cheapest one. However, the quoted price should not be the main consideration. You should also be able to understand the differences between various GPR surveyors and what’s included in their quotes. You will often find that the cheapest quote will not necessarily offer you the full extent of the services you require.

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    GPR uses radio waves as a GPR scanning device, with the frequency used ranging from 50 to 3000 MHz. GPR equipment consists of two major parts – the transmitter and an antenna receiver.

    The transmitter sends radio waves underground, which penetrate soil, dirt, and other materials. When the radio waves collide with objects, the radio signal bounces back, refracts, and echoes the signal. The antenna receiver then records the ‘echo’ from the collision. The antenna receiver only detects signals returning from the object or objects it has collided with and will record other vital details and differences between every returning echo.

    A GPR system uses software to interpret the data. Once interpreted, a visualisation of the shape, material, composition, and other important information about the object underground is created. The system converts the data into easily understandable forms, like maps of the structures and objects, mineral formations, man-made utilities, and so on that are buried underground.

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    The signals emitted by a Ground Penetrating Radar survey can locate a variety of objects buried underground. GPR signals are most effective if there is a large difference in the electromagnetic characteristics of the item compared to the materials surrounding it. That means GPR is most effective at detecting, for example, metallic objects, plastics, concrete, PVC, and a wide range of natural materials.

    Because GPR surveys can detect a wide variety of materials, there are many practical applications for the equipment across a wide range of industries. The most common uses of GPR surveys include checking for utility pipes and lines buried underground; visualising rock formations and other geological features like air pockets; gathering groundwater data; noting changes in ground strata, bedrock visualisation; GPR evaluation; and more.

    If you are looking for high-quality GPR surveys, speak to KB GPR Surveys, the leading GPR survey provider in the UK. Our team has many years of experience and a great track record in providing GPR surveying to a long list of customers in the UK and globally. We provide efficient and accurate results at competitive prices.

    Our company employs various state-of-the-art GPR systems, allowing us to gather more data from every survey than others. Our team consists of highly experienced engineers, archaeologists, and GPR surveyors. Regardless of whether you need data for demolition or construction; for archaeological purposes; or simply to investigate the nature of what’s below the surface on a piece of land, we will provide you with the most accurate and precise data.

    If you are interested in our services, speak to us today on 020 3931 5759. If you’d like to contact us in writing, use the contact form available on our website at, or message us directly to our email address at

    You can also visit us directly at our head office at 29 Hope Road, West End, Southampton, SO30 3GE. Our usual business hours are Monday to Friday, 8 am to 5 pm.

    What is a GPR survey?

    GPR stands for Ground Penetrating Radar. It is a geophysical locating method that can capture images below the ground by using minimally invasive radio waves. GPR can locate utilities, structures and other objects underground without disturbing the surface or any need to dig down, which is one of its greatest advantages.

    How accurate is GPR?

    GPR surveying is the most effective method of non-destructive testing, but it cannot promise 100% accuracy. There are still many factors that can affect the testing, including the conditions and material that make up the scanning area, the individual operating the equipment, and so on. You can maximise your chances of success by hiring expert GPR surveyors.

    What is the frequency of a ground penetrating radar?

    Ground-penetrating radar has a frequency of 50 to 3000 MHz. GPR is the general term for techniques that use radio waves to map structures and discover objects buried underground. These objects might include man-made structures like utility lines and pipes, rock obstructions, air pockets, bedrock, groundwater tables, and more.

    Can GPR penetrate concrete?

    GPR survey equipment is mainly designed to detect what’s below ground. However, many businesses also use the technique on concrete surfaces. Even if the concrete is reinforced, the ground-penetrating radar can detect objects through the surface. The construction and engineering industries often use GPR to detect the rebar in concrete.

    What are the benefits of GPR?

    GPR has various advantages over other methods. The operation is self-contained, quiet, and non-hazardous, so you won’t have to worry about causing disturbance to the local area. GPR scanning can detect both metallic and non-metallic materials and their depth, and offers results instantly. GPR can even penetrate up to 2ft of concrete.

    What is GPR in construction?

    Ground-penetrating radar or GPR inspecting is a method used to identify elements positioned subsurface. It’s a non-destructive detection and imaging method that can be used for both underground detections and within concrete surfaces. GPR is a perfect method for construction as it can even detect reinforcing bars and metallic ducts.

    what is gpr surveying

    Underground utilities and their locations often delay construction projects significantly, while inadvertent damage to these structures can cost millions. In response to this issue, new technology has been created specifically for locating and digitally mapping any utility or element below the surface. Many locators use Electromagnetic (EM) detection, but this has a huge disadvantage in that it can only detect metallic objects, and sometimes can only trace services for which there is manhole access.

    In contrast, Ground Penetrating Radar can safely, efficiently and non-invasively capture images. It has its own transmitter, so does not rely on electromagnetic radiation to be emitted by the object.

    If you’re looking for experts to carry out GPR for your construction project, contact KB GPR Surveys.

    GPR is the most accurate non-destructive survey method used by most companies today. Ground Penetrating Radar utilises tiny pulses of energy via an antenna aimed towards a material. A computer connected to the equipment records all data, including the time and strength it takes for a material to reflect the signals. Reflections of different materials, man-made structures and so on are created by subsurface variations. These reflections will be picked up by the GPR’s system and stored on digital media. GPR can offer the most accurate and high-resolution results of all subsurface surveying methods.

    GPR evaluation is highly cost-effective. Before GPR, engineers had to excavate a project area in its entirety to detect what lay underneath. This cost a considerable amount of money and time, with the possibility of still not finding everything that was sited underground. GPR is a far more accurate and cheaper method of detecting elements below the earth’s surface. The process usually takes less than a day to survey an entire area (depending on the size), which is far faster than the excavation option.

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    Explaining What Is GPR All About

    Ground Penetration Radar is a technological procedure used to penetrate through the ground surface. It makes use of electromagnetic radiation pulses to detect and reveal any anomalies or other elements in the soil. Ground-penetrating radar uses microwave ban frequencies, usually from 10 MHz to 1 GHz.

    GPR equipment is designed to be portable and run on batteries, making it easier to use. It has built-in memory systems and can also be connected to other devices, including laptops and other interface technologies.

    For high-quality GPR surveying services, call one of our team today.

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