Leak Detection: Diagnosis, Testing & Reporting
A complete, self-paced route into one of the highest-value skills in property diagnostics. This online course covers the full leak-detection toolkit, thermal imaging, acoustic correlation, tracer gas and pressure testing, plus a systematic method for finding the source and reporting it clearly. 33 lessons, study at your own pace.
A genuine technical specialism. Leak detection is in high demand and commands premium rates, this builds the method to do it properly.
Add a high-value skill to your toolkit
A self-paced, fully online course for tradespeople, surveyors and property professionals who want to detect leaks accurately in domestic and commercial buildings. Whether you are starting out or expanding your services, you finish able to carry out professional leak detection surveys with confidence.
Everything a professional survey needs
- The different types of water leak and their causes
- Specialist equipment and non-invasive detection techniques
- Thermal imaging for accurate detection
- Survey reporting and customer communication
- Health and safety best practice
You finish able to diagnose leaks confidently and produce clear reports that help customers resolve problems fast.
Built for property and trade professionals
Build your leak investigation skills
- A recognised certificate that strengthens your credibility
- A specialist skill to broaden your services
- Expand your services and win more work
- Fewer call-backs and less misdiagnosis
- Professional reporting that builds client trust
- A structured approach to specialist investigation
Start today, learn at your own pace
Enrol instantly with immediate access, no deadlines and no set schedule. Complete the assessments when you are ready to earn your certificate.
Build your knowledge of leak investigation and strengthen the service you offer customers.
Curriculum
- 10 Sections
- 33 Lessons
- Lifetime
- Introduction to Leak Detection: Diagnosis, Testing & Reporting1
- Module 1 — Foundations: Moisture, Pressure & Building Science5
- 2.11.1 Hydraulics for Leak Hunters: pressure, flow, head, losses
- 2.21.2 Moisture Transport 101: capillarity, vapour drive, diffusion, air leakage
- 2.31.3 Wetting vs Drying: materials, porosity, reservoirs, time constants
- 2.41.4 Leak vs Condensation vs Rising Damp: decision tree
- 2.5Activity: Interactive path-of-travel mapping on plan views Assessment: 10-item quiz + mini case (bathroom ceiling)5 Questions
- Module 2 — Safety, Ethics & Scope Control4
- 3.12.1 Site Hazards & Controls: electrical, slip/fall, mould, asbestos, confined spaces
- 3.22.2 Access, Permissions & Insurance: what you can/can’t do on a trace
- 3.32.3 Ethics & Communication: limitations, non-destructive first, evidence standards
- 3.4Assessment: Short scenario: set scope & disclaimers5 Questions
- Module 3 — Instruments & Calibration6
- 4.13.1 Moisture Meters & Hygrometry: pin/pinless, ERH/aw, logging
- 4.23.2 Thermal Imaging: emissivity, reflections, night/day strategy, wet-insulation signatures
- 4.33.3 Acoustic Tools: ground mics, correlators, loggers, filters & signal-to-noise
- 4.43.4 Tracer Gas (H₂/N₂) & Smoke: principles, detectors, safety & ventilation plans
- 4.53.5 Pressure & Flow Testing: gauges, manometers, decay tests, step-testing
- 4.6End of Module Test5 Questions
- Module 4 — Survey Method & Triage5
- Module 5 — Plumbing & Heating Systems (Residential/Light Commercial)6
- 6.15.1 Cold/Hot Water Services: meter tests, isolation strategy, fixtures
- 6.25.2 Unvented Cylinders & PRVs: nuisance discharge vs leaks
- 6.35.3 Heating Loops/Radiant Floors: pressure decay, dye tracers, thermal signatures
- 6.45.4 Waste & Soil: dye/smoke tests, CCTV basics, trap/seal failures
- 6.55.5 Appliances & Hidden Runs: dishwashers, fridge lines, concealed manifolds
- 6.6End of Module 5 Test6 Questions
- Module 6 — Underground & External Services5
- 7.16.1 Network Basics: materials, depth, attenuation, background noise
- 7.26.2 Acoustic Correlation Practice: placement, velocity estimates, filters
- 7.36.3 Step Tests, Valve Zoning & Logger Surveys
- 7.46.4 Tracer Gas for Buried Lines: injection plans, safety, verification
- 7.5End of Module 6 Assessment8 Questions
- Module 7 — Data, Diagnostics & Decision-Making4
- Module 8 — Reporting, Handover & Remediation Briefing4
- Module 9 — End of Course Certification Assessment2
Instructor
A genuine technical specialism. Leak detection is in high demand and commands premium rates, this builds the method to do it properly.
Earn Your Leak Detection Certificate
On passing the final assessment (50 questions), you receive your Federation of Damp Leak Detection certificate, confirming structured training in systematic leak diagnosis, multi-method testing and professional reporting.
Premium-Fee Skill
Leak detection is in high demand across domestic and commercial property and commands higher fees than standard inspections
Evidence-Based Reporting
Produce clear evidence packages, photo logs and moisture
maps that resolve cases and reduce disputes
Fewer Call-Backs
A systematic, non-destructive-first method reduces misdiagnosis and costly return visits
Know Your Scope
Understand access, permissions, insurance and the limits of a trace, so you work safely and within remit
FAQs
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Add a Premium-Fee Skill Today
Leak detection is one of the fastest-growing services in property, and one of the best paid. Study online at your own pace, master the full detection toolkit, and start offering professional leak surveys with confidence.
