01
Survey
We review symptoms, system history and the areas affected by water ingress.
Specialist Leak Detection Engineers
Leak Detection Specialists Across London & Southern England
Minimal Disruption. Precise Results.
Our specialist leak detection engineers locate concealed water leaks, mains supply-pipe leaks and heating-system leaks across London and Southern England using thermal imaging, tracer gas, acoustic detection and other non-destructive methods.
Google Reviews ★★★★★ 5.0 Rating 70+ Reviews Read Reviews- Non-Destructive Detection
- Insurance Reports Available
- Residential & Commercial
Leak Symptoms
Common Signs Of A Hidden Water Leak
Core Services
Specialist Leak Detection Services
The core work is locating concealed leaks, producing evidence and helping clients move from uncertainty to repair or insurance action. For leaks hidden within walls, floors or ceilings, learn more about our water leak detection service.
01
Key service Water Leak Detection
Primary investigation for hidden leaks in walls, floors, ceilings and buried pipework using structured diagnostic testing.
02
Mains Water Leak Detection
Tracing supply pipe leaks using acoustic listening, pressure testing and tracer gas.
03
Central Heating Leak Detection
Locating heating circuit pressure loss across pipework, floors and concealed runs.
04
Underfloor Heating Leak Detection
Thermal and moisture investigation for underfloor heating systems and manifolds.
05
Key service Trace & Access
Clear evidence and reporting to support insurance-led leak location claims.
06
Key service Commercial Leak Detection
Diagnostics for offices, retail units, plant rooms, landlords and managed buildings where downtime matters.
07
Bathroom Leak Detection
Investigation for shower leaks, bath leaks, water behind tiles and damp below bathrooms.
08
Insurance Leak Investigation
Professional findings, photographs and leak location reports for insurers.
09
Damp Investigation
Damp surveys, moisture mapping and water ingress investigation for hidden leak symptoms.
10
Waste Pipe Leak Detection
Investigation for hidden waste pipe leaks, soil pipe leaks and foul water symptoms.
11
Domestic Hot Water Leak Detection
Investigation for concealed hot water pipework leaks beneath floors and behind finishes.
Process
How We Locate Hidden Leaks
02
Investigation
Targeted diagnostic tests narrow the leak source using non-destructive methods.
03
Leak Located
The evidence is correlated to identify the most likely leak position.
04
Report Provided
You receive clear findings for repair planning or insurance support.
For safe preliminary checks and clear explanations before arranging an investigation, browse our leak detection guides.
5.0 Google Rating
Residential & Commercial
Insurance Reports Available
Coverage Across Southern England
Diagnostic Equipment
Professional Leak Detection Technology
Equipment is selected according to the symptoms, pipe material, access constraints and the evidence needed for the next decision.
Diagnostic method
Thermal Imaging
Infrared scanning helps identify temperature patterns linked to concealed water movement.
Diagnostic method
Tracer Gas
Safe trace gas can confirm leaks in pipework where visual access is limited.
Diagnostic method
Acoustic Detection
Sensitive listening equipment tracks leak noise through pipes, floors and ground.
Diagnostic method
Moisture Mapping
Moisture readings map water spread and separate leak evidence from surface staining.
Recent Work
Recent Leak Detection Projects
Examples of typical investigations where the work is evidence-led rather than guesswork or exploratory damage.
Bracknell, Berkshire
Hidden Pipe Leak Below ScreedPinhole Pipe Leak Detection in Bracknell
Hidden pinhole leak below screed in Bracknell confirmed so repair could be targeted to the affected pipework.
View case study
Kingston, London
Mains Water LeakMains Water Leak Detection in Kingston
Rushing water heard when no services were in use was traced to a hole in a lead supply pipe and repaired in one visit.
View case study
Camberley, Surrey
Central Heating LeakCentral Heating Leak Detection in Camberley
Heating system pressure loss traced to an intermittent hidden pipework fault beneath a floorboard.
View case studyWhy Choose Pro Leak Detection
Engineering-led investigation, clear evidence and practical next steps.
Specialist Engineers
Our engineers focus on leak detection, not general plumbing or drain work.
Non-Destructive Methods
We use thermal imaging, tracer gas and acoustic equipment before any access work begins.
Insurance Support
We provide written findings and photographic evidence for insurer and loss assessor requirements.
Commercial Expertise
We work around occupied buildings and coordinate with facilities teams to reduce disruption.
Wide Coverage Area
We cover London, Surrey, Berkshire, Buckinghamshire, Oxfordshire, Hampshire and Sussex.
Rapid Response
Same-day and next-day surveys are available across our service area where scheduling allows.
PARTNERS & ACCREDITATIONS
Our Associate Partners
Pro Leak Detection works alongside its sister company GU Gas Services Ltd. All work is completed to a professional standard and supported by recognised industry accreditations.
WaterSafe
Gas Safe Register
Customer Reviews
Trusted By Homeowners And Businesses
Google Reviews
5.0
Google Rating
70+ Reviews
★★★★★
Recent customer feedback highlights thorough investigation, clear communication and responsive support.
Read all Google reviews★★★★★
“The team arrived on time, were extremely thorough and patiently worked through a difficult-to-find leak in a tight loft space. Professional, polite and highly recommended.”
Reece P.
Local Guide
★★★★★
“After being let down by another contractor, Pro Leak Detection stepped in at short notice and helped when I needed it most. Reliable, responsive and genuinely caring.”
I. Na
Local Guide
★★★★★
“From making contact late in the evening to having the issue resolved the following day, the turnaround was excellent. Friendly team and great service throughout.”
Martina H.
Local Guide
Coverage Area
Covering Southern England
Engineers cover London and surrounding counties for residential, commercial and insurance-led leak detection.
Get Expert Help
Request A Leak Detection Survey
Tell us what you are seeing and where the issue is. A specialist will review the details and advise the next practical step.
Speak to a leak detection specialist
Suitable for insurance investigations
No obligation to approve repair work
