--- title: "Leak Detection Investigation | Northstar Plumbing" description: "Structured leak investigation to pinpoint hidden or intermittent water leaks, minimise damage, and provide clear findings and repair options." canonical: "https://www.northstarplumbing.co.uk/services/leak-detection-investigation" --- ![Cool-toned 3D render of a tidy utility room with an open pipework access panel and a diagnostic tool workstation, leaving negative space to one side.](/_next/image?url=%2Fapi%2Fmedia%2Ffile%2Fdiagnostic_workstation_concealed_pipework_access_3d_render.png%3Fv%3D1770397985324&w=1536&q=75&dpl=dpl_DEc4fGhEc1SCRZZutzoEsRuDy1CJ) Investigations & Diagnostics # Leak Detection Investigation [Contact Us](https://www.northstarplumbing.co.uk/redirect) A leak detection investigation is a structured fault-finding visit to locate concealed or intermittent water leaks when the cause is not obvious. It focuses on pinpointing where water is escaping and why, so you can stop damage, avoid unnecessary upheaval, and move straight to the right repair. ## What the leak detection investigation covers When you have signs of a leak but no clear source, this service is designed to turn symptoms into a confirmed cause and a practical plan. - Initial assessment of the problem (where and when you see moisture, pressure loss or staining) - Systematic checks of visible pipework, fixtures and appliances connected to the supply - Isolation and pressure testing (where suitable) to narrow down which circuit or area is affected - Targeted detection methods to locate the likely source with minimal disruption (for example acoustic listening, thermal imaging or trace testing, depending on the situation) - Identification of the leak source and likely route of water travel - Clear explanation of findings, recommended remedial works, and next steps ### When this service is the right fit This investigation is most useful when the leak is hidden, intermittent, or could be coming from more than one place. Common triggers include: - Damp patches, mould, musty smells, or staining on ceilings and walls - Unexplained high water bills or a water meter that moves when nothing is running - Drop in boiler pressure or repeated topping up (where a system leak is suspected) - Wet flooring, lifting vinyl, or swollen skirting boards without an obvious spill - Ongoing issues after a previous repair, refurbishment, or change to pipework ### How the investigation is carried out The visit follows a logical process to reduce guesswork and limit unnecessary lifting or opening-up. 1. **Discuss the symptoms** and check key areas first. 2. **Inspect and isolate** parts of the system to narrow the search. 3. **Test and trace** using the most appropriate methods for the property and leak type. 4. **Confirm the source** as far as reasonably possible, then explain the evidence. If access is restricted (boxed-in pipework, tiled areas, ceilings), you will be advised on the least disruptive access points if any are needed to confirm and fix the issue. ### What happens after the investigation You will get a clear summary of what has been found and what to do next. - Recommended repair options and the likely scope of work - Practical advice to reduce risk until repairs are completed (for example isolating a section, limiting use, or drying guidance) - A written record of findings where needed for landlords, managing agents, or insurance discussions - Option to book follow-on repairs once you are ready, based on the confirmed cause [Contact Us](https://www.northstarplumbing.co.uk/redirect) ## Frequently Asked Questions What are the common signs of a hidden water leak? Typical signs include damp patches, staining, mould, warped flooring, or a musty smell. You might also notice a sudden increase in water bills or a meter that runs when everything is off. Will you need to lift floors or remove tiles to find the leak? Often the investigation can narrow the source using non-destructive checks and targeted testing. If opening-up is needed to confirm the exact point, you will be advised on the smallest, most sensible access area before any work starts. Can you investigate leaks in heating systems as well as cold water plumbing? Yes, investigations can cover hot and cold supplies and, where appropriate, central heating pipework. Symptoms like pressure loss or frequent topping up can be assessed and tested to identify the likely cause. How long does a leak detection investigation take? It depends on the type of system, access, and how intermittent the leak is. Many investigations can be completed in a single visit, but complex cases may need staged testing or follow-up checks. What happens if you find the leak during the investigation? You will be talked through what has been found and the repair options, including the most effective access point if the leak is concealed. If you want to proceed, the remedial work can be planned based on the confirmed cause. [Contact Us](https://www.northstarplumbing.co.uk/redirect) ## Related Services Complete your experience with these services - Water Loss Investigation [View](/services/water-loss-investigation) - Underfloor Heating Fault Investigation [View](/services/underfloor-heating-fault-investigation) - System Performance Assessment [View](/services/system-performance-assessment) - Plumbing Fault Investigation [View](/services/plumbing-fault-investigation) Show more services - Noise Investigation (Plumbing & Heating) [View](/services/noise-investigation-plumbing-and-heating) - Low Water Pressure Investigation [View](/services/low-water-pressure-investigation) - Hot Water Fault Investigation [View](/services/hot-water-fault-investigation) - Heating System Fault Investigation [View](/services/heating-system-fault-investigation) - Heat Pump Fault Investigation [View](/services/heat-pump-fault-investigation) - Drainage Issue Investigation [View](/services/drainage-issue-investigation) - Boiler Fault Investigation [View](/services/boiler-fault-investigation)