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Leak Detection South provides expert, non-destructive leak detection services in Guildford and across Surrey. We use advanced technology to locate hidden water leaks quickly and accurately – with minimal disruption. From mains supply leaks to central heating pressure loss, we identify the problem fast. Trusted by homeowners, landlords, and insurers, we’re your local leak detection experts in Guildford.

About Leak Detection Guildford

Welcome to Leak Detection South, the trusted specialists for water leak detection and repair in Guildford and throughout Surrey. If you suspect a hidden leak in your home or business — whether beneath a concrete floor, behind a wall, or outdoors — our qualified engineers can locate it precisely without the need for excavation.

We use acoustic detection, tracer gas, thermal imaging, and moisture mapping to track leaks with pinpoint accuracy. This non-invasive approach allows us to find and resolve the issue while protecting your floors, walls, and property finishes.

Serving Guildford, Godalming, Shalford, Burpham, Merrow, and surrounding Surrey villages, we work with homeowners, letting agents, commercial clients, and insurers, providing a fast, honest, and fully insured service you can depend on.




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    Our Leak Detection Services

    Our local engineers combine technical expertise with the latest detection equipment to locate leaks quickly and accurately.
    Our Guildford services include:

    • Central heating and boiler leak detection

    • Underground and mains water leaks

    • Bathroom, kitchen, and internal plumbing leaks

    • Roof and ceiling leak investigation

    • Pipe tracing and pressure testing

    • Insurance-approved trace & access reports

    • Water pipe repairs and trenchless moling

    We also offer ongoing moisture analysis and mould prevention, helping Guildford customers protect their properties long-term. No matter the property type — from Victorian cottages to new-build apartments — we have the tools and experience to solve your leak quickly and effectively.

    Commom Problems

    We regularly help customers in Guildford, Burpham, Merrow, Godalming, Shalford, and Worplesdon with:

    • Boiler losing pressure or frequent top-ups

    • Unexplained damp patches or mould growth

    • Constantly running water meters

    • Water pooling in gardens or driveways

    • Discoloured ceilings or peeling paint

    • Musty smells from hidden leaks

    • Rising water bills with no visible cause

    Guildford’s mix of period properties and modern developments means leaks can occur from ageing pipework or poor installation. Our engineers understand local building types and can diagnose issues quickly, minimising cost and disruption.

    What to Expect

    Initial Assessment – We start with a clear discussion about your symptoms – from damp patches to pressure loss – and inspect key areas of concern to plan the best testing method.

    Diagnostic Testing – Using thermal imaging, acoustic sensors, tracer gas, and pressure testing, we locate leaks precisely and non-destructively, keeping your home or business tidy.

    Findings & Report – Once the leak is located, we provide a full written report complete with photos, readings, and clear repair recommendations – perfect for insurance trace-and-access claims.

    Repairs & Aftercare – Where possible, we can repair or isolate the leak during the same visit. We’ll also provide honest advice on prevention and property protection moving forward.

    leak detection

    Why Choose Us?

    When you’re dealing with a leak, accuracy and professionalism matter. At Leak Detection South, we’ve built a strong reputation across Guildford and Surrey for reliability, precision, and customer care. We combine years of hands-on experience with cutting-edge equipment to deliver results that save you time and money.

    We know a leak can cause serious stress — from property damage to escalating bills — which is why we work efficiently, explain everything clearly, and leave every home tidy.

    Here’s why so many Guildford customers choose us:

    • Local expertise – Engineers familiar with Guildford and the surrounding Surrey villages.

    • Non-destructive detection – No unnecessary digging or damage to your property.

    • Rapid response – Local availability for urgent callouts and same-day appointments.

    • Accurate & insurance-approved – Detailed reports including images and readings.

    • Comprehensive service – Leak detection, repairs, and moisture prevention under one roof.

    • Upfront pricing – Clear quotes with no hidden extras.

    • Fully qualified & insured – All work carried out to the highest professional standards.

    • Excellent reputation – 5-star reviews from Surrey homeowners and businesses.

    Our approach is simple: precision, professionalism, and peace of mind. When you choose Leak Detection South, you’re choosing reliability from the first call to the final report.

    Our Services

    water supply leaks

    Water Supply Leaks

    We locate and repair buried water supply leaks beneath driveways, gardens, and hard surfaces using advanced acoustic and tracer-gas methods.
    water pipe leaks

    Water Pipe Leaks

    From internal pipe joints to external lines, our non-invasive testing finds leaks fast and minimises disruption to your home.
    central heating leaks

    Central Heating Leaks

    If your boiler keeps losing pressure, we’ll find the hidden leak using specialist heating system diagnostics and restore efficiency quickly.
    water leaks and ingress

    Water Leaks & Ingress

    We trace roof leaks, wall ingress, and basement moisture using infrared imaging and moisture mapping to stop damage spreading.
    mould removal

    Mould Removal

    Our mould experts remove and treat affected areas, then identify and resolve the underlying cause to prevent recurrence.
    water pipe leaks

    Moling

    Our trenchless moling service installs or replaces underground water pipes without disruptive digging — perfect for new supply lines or lead pipe upgrades.

    Client Reviews

    Excellent local service. They arrived on time, found the leak without any mess, and provided a detailed report. Really impressed with how professional and tidy they were.

    Sarah LincolnBurpham, Guildford

    Highly professional engineers. The team were brilliant from start to finish - clear communication, quick diagnosis, and they even helped us with our insurance paperwork.

    James WatsonGuildford

    Saved us a fortune on repairs. Another company wanted to dig up our driveway. Leak Detection South found the leak using their acoustic equipment and repaired it the same day.

    Claire MummeryShalford, Guildford

    Fast, friendly, and efficient. The engineers explained everything clearly and worked really cleanly. Couldn’t ask for better service - top marks.

    Paul DeamerGodalming, Guildford

    Areas Covered

    At Leak Detection South, we offer leak detection, water pipe repair, pipe replacement, and mould remediation throughout Guildford and across Surrey.

    We regularly serve Burpham, Merrow, Godalming, Shalford, Worplesdon, Cranleigh, and Woking, and often travel further across the county when required.

    If your area isn’t listed, don’t worry — we’re always happy to provide a free, no-obligation quote wherever you’re based.

    • Southampton
    • Portsmouth
    • Basingstoke
    • Guildford
    • Brighton
    • Woking
    • Epsom
    • Crawley
    • Slough
    • Reading
    • Hampshire
    • Berkshire
    • West Sussex
    • Surrey
    • South London
    • East London
    • West London
    • North London
    • Greater London
    • Kent
    LEAK DETECTION AREAS COVERED MAP
    Leak Detection South Accreditations

    Accreditations

    Moling Experts have various certificates and awards that are industry related. We have displayed some of them here for your peace of mind. We want you to know that you are in safe hands. If you’re in Guildford or anywhere across Surrey, contact Leak Detection South today for fast, accurate, and non-destructive leak detection.