Frequently Asked Questions

Sydney Underground specialises in non-destructive leak detection and repair. Their services include thermal imaging, acoustic leak detection, tracer gas detection, moisture detection, as well as pipe and cable locating, pre-purchase plumbing inspection, and insurance reporting.

We use advanced, non-invasive technology (like acoustic sensors and thermal imaging) that locates leaks underneath surfaces (walls, floors, underground) without drilling, cutting, or creating mess.

Sydney Underground works with homes, commercial buildings, and civil networks.

Their process begins with a detailed on-site inspection and then detection using precise technology, allowing them to locate leaks very rapidly.

Yes — after detection, we provide professional repair services using high-quality materials, and they also deliver a detailed report outlining what was found and how it was fixed.

Yes — we offer pre-purchase plumbing and leak inspections to help you understand any underlying plumbing risks before finalising a property purchase.

Absolutely. We provide detailed documentation and reports tailored for insurance purposes, making the claims process easier for you.

Yes, we offer pipe and cable locating services to help homeowners, trades, and excavators safely identify underground utilities before any digging or construction.

You can call us on 0450 637 577 or fill out the enquiry form on our website to request a quote or schedule a service.

Yes — we offer same-day service for urgent leak situations and aim to respond as quickly as possible.

Yes — we are fully certified RIW (Rail Industry Worker) card holders and have completed the unit TLIF0020 – Safely Access the Rail Corridor. This means we are qualified to safely access and work within rail corridors across NSW, ensuring all work is carried out in compliance with rail safety requirements.