Leak Detection London
Locate hidden leaks using thermal imaging and acoustic equipment - without ripping up floors or walls. Fast, precise, and minimally disruptive.
0800 123 4567Leak detection in London uses thermal imaging and acoustic equipment to find hidden leaks without lifting floors. Costs range from £150–£350. Most leaks are located and repaired in a single visit.
Leak Detection Cost London - 2026 Prices
| Job Type | Typical Cost | Time |
|---|---|---|
| Thermal imaging survey | £150–£250 | 1–2 hours |
| Acoustic leak detection | £150–£300 | 1–3 hours |
| Tracer gas test | £200–£350 | 2–3 hours |
| Leak detection + repair | £250–£600 | 2–4 hours |
| Under-floor leak | £300–£700 | 3–6 hours |
| Swimming pool / tank leak test | £300–£500 | 3–5 hours |
* Prices are estimates for London. Fixed price confirmed before work begins. £60 call-out fee.
Professional Leak Detection in London
Hidden water leaks cause thousands of pounds in damage and significantly increase your water bills. Our specialists use the latest thermal imaging cameras and acoustic listening devices to pinpoint leaks to within centimetres - without digging or breaking.
Once we locate the leak, we provide a clear report and fixed-price repair quote. Many leaks are repaired on the same visit.
Signs You Have a Hidden Leak
- Unexplained rise in water bills
- Damp patches on walls, floors, or ceilings
- Sound of running water when taps are off
- Mould or mildew in unusual locations
- Drop in water pressure
- Warm spots on floors (underfloor leak)
- Meter running when no water is in use
Technology We Use
Thermal Imaging
Infrared cameras detect temperature variations caused by water movement behind walls and under floors.
Acoustic Detection
Highly sensitive listening equipment hears the sound of water escaping pressurised pipes.
Tracer Gas
Safe hydrogen gas tracing locates leaks even under concrete slabs with pinpoint accuracy.
Our Leak Detection Services
- Acoustic & Gas Trace Leak Detection
- Hydrogen Leak Detection
- Thermal Imaging Inspection
- Endoscope / Camera Inspection
- Non-Invasive Investigation Methods
- Water Leak Detection / Insurance Claim Support
Frequently Asked Questions
How do you find a hidden water leak?
Will you need to break up my floor to find the leak?
How much does leak detection cost in London?
Can you detect leaks under concrete?
Insurance-Ready Reports
We provide detailed leak detection reports suitable for insurance claims, including location, cause, and photographic evidence.