HomeLondon DirectoriesTop Leak Detection Companies in London - Services & Pricing Compared

    Top Leak Detection Companies in London – Services & Pricing Compared

    Water leaks can wreak havoc on your property, leading to extensive damage and soaring water bills. If you suspect a leak in your home or business, swift action is crucial.

    Contacting a professional leak detection company in London can help you identify and resolve the issue before it escalates. However, with several options available, how do you find and choose the best leak detectors that fit your needs and budget?

    We delve into the pricing and services of leading leak detection companies in London, drawing from their websites and online reviews. Additionally, we provide valuable tips on identifying and preventing plumbing emergencies such as water leaks to safeguard your property and finances.

    What is a leak detection service?


    A leak detection service is a specialised process aimed at locating the source and extent of water leaks in residential, commercial, or industrial properties. These leaks can be difficult to identify visually, often concealed within walls, floors, ceilings, or underground pipelines.

    Utilising advanced equipment and techniques, leak detection experts can pinpoint the exact location of the leak without causing unnecessary damage to the property.

    Here are some common methods used by leak detection services:

    ● Thermal Imaging:

    This method involves using an infrared camera to detect temperature variations caused by water leaks. Water leaks can lead to cooler spots on surfaces due to evaporation, making them distinguishable through thermal imaging. This technique is particularly useful for identifying leaks hidden behind walls or beneath floors.

    ● Acoustic Listening:

    Using sensitive microphones or listening devices, leak detection specialists can listen to the sound of water escaping from pipes or cracks. The sound produced by the water flow helps them identify the location of the leak accurately.

    ● Tracer Gas:

    In this method, a harmless gas (often a mix of nitrogen and hydrogen) is injected into the pipe system. As the gas escapes from the pipe at the site of the leak, specialised detectors can trace its path and pinpoint the source of the leak.

    ● Moisture Metres:

    Leak detection professionals use moisture metres to measure the moisture levels in various materials, such as wood, plaster, concrete, and brick. Higher moisture levels in unexpected areas can indicate the presence of a hidden leak.

    Leak detection services can identify various types of leaks, including underfloor heating leaks, central heating leaks, mains water leaks, roof leaks, and damp problems. Early detection is crucial to prevent extensive damage to the property and to address water wastage promptly.

    One of the significant advantages of leak detection services is their ability to employ non-destructive techniques. These methods, such as thermal imaging and acoustic listening, do not require drilling or cutting into walls or floors, minimising disruption and additional repair costs.

    By engaging a professional leak detection service, property owners can quickly identify and resolve water leaks, thereby safeguarding their property, conserving water resources, and avoiding unnecessary expenses caused by delayed leak detection.

    How much does a leak detection service cost in London?


    When it comes to leak detection services in London, the cost can vary significantly depending on various factors. As a property owner or manager, it’s essential to be aware of these factors to make an informed decision. Here’s a recap of key points to consider:

    1. Factors Affecting Cost:

    The location and accessibility of the leak, property size and complexity, equipment and materials required, company reputation, service demand, and availability can all influence the cost of leak detection services.

    2. Average Cost:

    According to Checkatrade, the average cost of a leak detection service in the UK ranges from £80 to £1600, with an average of around £500. However, these figures are estimates, and actual costs may differ based on individual circumstances.

    3. Pricing Structures:

    Leak detection companies may charge by the hour, offer fixed prices for specific services, or provide quotes for the entire job. Be sure to inquire about additional costs, such as travel expenses, VAT, or emergency callouts.

    4. Discounts and Offers:

    Some companies may offer discounts for online bookings or repeat customers, which could help you save on costs.

    5. Get Multiple Quotes:

    To ensure you get the best value for your money, obtain at least three quotes from different leak detection companies. This allows you to compare services and pricing more effectively.

    6. Check Credentials and Reviews:

    Prioritise companies with good credentials, positive customer reviews, and adequate insurance coverage. A reputable company is more likely to provide reliable services.

    7. Inquire About Methods and Equipment:

    Ask about the leak detection methods and equipment used by the company. Advanced technologies can lead to more accurate results and efficient service.

    8. Guarantees and Aftercare:

    Find out if the company offers any guarantees on their work and inquire about aftercare services in case the issue reoccurs.

    By being proactive in researching and comparing leak detection companies in London, you can ensure that you receive efficient and cost-effective services for detecting and resolving water leaks in your property. Prompt action can prevent significant damage, save water, and protect your investment in the long run.

    Top Leak Detection Companies in London and Their Services & Pricing

    Water leaks pose a significant threat to properties, leading to extensive damage and soaring utility bills. In a bustling city like London, where properties are densely packed, identifying and addressing leaks promptly is crucial.

    To meet this demand, several specialised leak detection companies have emerged, offering their expertise in detecting and resolving leaks in residential and commercial buildings and we have listed the top-rated below.

    1. Aspect

    This leak detection company provides a comprehensive range of services that includes damp and leak solutions for both residential and commercial properties in London.


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    A post shared by Aspect (@aspect_maintenance)

    Their expertise extends to addressing issues related to water leaks and dampness, ensuring that clients receive holistic and effective solutions to protect their properties.


    Social Media: TwitterInstagramFacebook

    Services: Underground Water Leak Detection, Water Leak Detection, Ceiling Leak Detection and Repairs, Detecting Leaks in Mains Water Supply Pipes, Bathroom and Shower Leaks.

    Location:  Aspect Maintenance Services Limited, E7 Barwell Business Park, Leatherhead Road, Chessington, London, KT9 2NY


    4.8 out of 5 Rating & 1778 Reviews on & 4.2 out of 5 Rating & 9869 Reviews on Trustpilot

    Pricing: They charge from £110 to £145 per hour depending on the weekdays.

    Please note that prices are subject to change and may vary based on the customer’s postcode and other factors.

    2. Pimlico Plumbers

     Pimlico Plumbers provides a wide range of plumbing services, and leak detection is one of their specialties. Their team of skilled professionals utilises advanced equipment and techniques to identify and resolve water leaks in residential and commercial properties.

    The company primarily serves the Pimlico area in London, but they also extend their services to various other locations within the city and surrounding areas.


    Social Media: TwitterInstagramFacebook

    Services: Bathroom Leaks, Leaking Taps, Ceiling Leaks, Damp Source Protection.

    Location: Pimlico Plumbers Limited, Pimlico House,1 Sail Street, London SE116NQ

    Ratings: 4.3 out of 5 Rating & 7632 Reviews on Trustpilot

    Pricing: The pricing ranges between £120-£150.

    3. London Leak Detection

    This leak detection company’s ability to provide a comprehensive range of services across industrial, commercial, and residential properties in London and neighbouring regions is a testament to its expertise and versatility.

    This broad scope of services enables them to address the specific leak detection needs of different sectors, offering tailored solutions for each type of property.

    Social MediaYouTube

    Services: Water Leak Detection, Heating Leak Detection, Damp Investigation, Commercial Leak Detection, Trace and Access Leak Detection, Internal Water Leak Detection.

    Location: Head Office: 635 Bath Road, Slough, SL1 6AE

    Ratings: 4.8 out of 5 Rating & 30 Reviews on Google & 4.8 out of 5 Rating & 222 Reviews on Trustist.

    Pricing: They charge £75 per hour for their services, with a one-hour minimum. They also offer free no obligation quotes.

    4. Absolute

    This leak detection company prides itself on providing a comprehensive and seamless service to clients in London. Absolute possesses a deep understanding of the urgency and intricacies surrounding water leaks, offering an end-to-end solution to effectively address the issue.

    Their provision of a comprehensive report serves the purpose of aiding clients in the insurance claims process and ensuring thorough documentation of all leak detection and repair aspects.


    Social Media: FacebookLinkedIn

    Services: Domestic Leak Detection Essex, Commercial Leak Detection, Water Supply Pipe Leak Detection, Swimming Pool Leak Detection.

    Location: Unit 38 Laurence Industrial Estate, Eastwoodbury Lane, Southend-On-Sea, Essex SS2 6RH

    Ratings: 9.5 out of 10 Rating & 37 Reviews on Checkatrade & 4.9 out of 5 Rating & 712 Reviews on Trustpilot

    Pricing: Contact them for an individual quotation

    How to prevent water leaks in your property?

    It’s essential for homeowners and property managers to be vigilant in detecting and preventing leaks to avoid huge and costly water damage in the first place before a leak detection specialist is required. So we’ve put together some useful tips to reduce the risks of water leaks:

    1. Regularly Monitor Water Usage:

    Keep a close eye on your water metre and bills. If you notice any unexpected spikes in water usage or billing, it could indicate a hidden leak.

    2. Listen for Unusual Sounds:

    Pay attention to hissing or dripping sounds coming from pipes or appliances, as they may signal a leak that needs to be addressed.

    3. Look for Water Damage Signs:

    Regularly inspect your property for signs of water damage, including wet spots, mould, mildew, stains, cracks, or peeling paint. Early detection can prevent further damage.

    4. Inspect Plumbing Fixtures:

    Routinely check pipes, valves, faucets, toilets, showers, baths, sinks, and appliances for any visible leaks or defects.

    5. Test Water Pressure:

    Ensure your water pressure is within a safe range. Excessively high or low water pressure can lead to leaks and other plumbing issues.

    6. Insulate Pipes:

    Protect your pipes from freezing or bursting during cold weather by insulating them properly.

    7. Replace Old or Damaged Components:

    Over time, pipes and fittings may degrade or become damaged, leading to leaks. Promptly replace any worn-out or defective components.

    8. Regular Professional Inspection and Maintenance:

    Hiring a professional plumber or leak detection company for regular inspections and maintenance can help detect and address potential issues before they escalate.

    Taking these proactive measures can significantly reduce the risk of water leaks and the associated damage, saving you time, money, and potential stress in the long run. Preventative actions are vital to maintaining the integrity of your property’s plumbing system and promoting water efficiency.


    Water leaks can indeed be a significant problem for both your property and your finances. Ignoring or delaying the detection and repair of water leaks can lead to extensive damage, increased costs in utility bills, and potential health hazards. As soon as you suspect a water leak in your property, it’s crucial to take immediate action and follow our prevention tips in this post. If the damage is already done, then contacting a professional leak detection company at the earliest sign of a water leak can help prevent further damage, conserve water resources, and ultimately save money in the long run.

    If you want us to add a suggestion here based on your experience, please get in touch with us!

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    Manuela Willbold
    Manuela WillboldOnline Media & PR Strategist
    Blogger and Educator by Passion | Senior Online Media & PR Strategist at ClickDo Ltd. | Contributor to many Education, Business & Lifestyle Blogs in the United Kingdom & Germany | Summer Course Student at the London School of Journalism and Course Instructor at the SeekaHost University.
    Manuela Willbold
    Manuela Willbold
    Blogger and Educator by Passion | Senior Online Media & PR Strategist at ClickDo Ltd. | Contributor to many Education, Business & Lifestyle Blogs in the United Kingdom & Germany | Summer Course Student at the London School of Journalism and Course Instructor at the SeekaHost University.

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