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Grass with writing marked on it — Dowds Pipe and Cable Locating in Sydney, NSW

Sydney Utility Locating Services

Dowd’s Pipe and Cable Locating delivers trusted underground detection services across Sydney, supporting the city’s dynamic construction, infrastructure and renovation sectors.


With over 25 years of industry experience, we understand the complexity of Sydney’s underground networks—ranging from high-density CBD developments to suburban infrastructure upgrades. We use accredited methods and advanced technology to accurately locate pipes, cables and utilities across residential, commercial and government sites.


Our key services in Sydney include concrete scanning, cable and pipe locating, ground-penetrating radar (GPR), thermal imaging, water leak detection and CCTV pipe inspections. We’re certified by DBYD, Telstra and NULCA, and fully insured for public, private and civil projects. Our team responds quickly, marks assets clearly and provides detailed reporting to support compliance and safety.


Sydney’s mix of modern builds and older infrastructure demands reliable utility locating services—something we deliver with consistency and care. If you’re planning to excavate, renovate or investigate utilities beneath the surface, call 0434 635 134 today for a free quote.

Utility Locating Services We Offer in Sydney

  • Pipe Locating Services
  • Cable Locating
  • Thermal Camera Imaging
  • Ground Penetrating Radar
  • Water Leak Detection
  • CCTV Pipe Inspections
  • Concrete Scanning
A yellow pipe in the ground — Dowds Pipe and Cable Locating in Sydney, NSW

Pipe Locating Services in Sydney

We provide pipe locating across Sydney to help identify sewer, stormwater and water lines before excavation. Our experienced team uses electromagnetic tracing equipment to deliver fast, accurate results for new builds, roadworks and utility maintenance. This service is vital in Sydney’s complex underground environments to reduce delays and avoid costly strikes.

Cable Locating Services in Sydney

Sydney’s construction and maintenance projects rely on accurate cable locating to avoid damaging electrical or data lines. We locate both live and inactive cables using advanced detection tools. Whether you’re trenching in the city or drilling in the suburbs, this service ensures safety and keeps your project running smoothly.

a sign that says danger underground cables— Dowds Pipe and Cable Locating in Sydney, NSW
A Thermal Image of a Room — Dowds Pipe and Cable Locating in Sydney, NSW

Thermal Camera Imaging in Sydney

Thermal imaging in Sydney is ideal for identifying hidden faults like water leaks, electrical hotspots and insulation issues. We use non-invasive infrared scanning to inspect residential, commercial and industrial buildings, providing clear visual data that supports timely repairs, energy audits or preventative maintenance planning.

Ground Penetrating Radar in Sydney

Ground-penetrating radar (GPR) is a critical tool for mapping underground conditions in Sydney’s built-up and heritage zones. GPR detects non-metallic and metallic objects, voids and material changes beneath concrete, roads and open ground—supporting excavation planning, safety and utility mapping in urban and high-traffic areas.

A Man in a Jacket is Using a Green Radar on a Wet Road — Dowds Pipe and Cable Locating in Sydney, NSW
A Pipe with water bursting out — Dowds Pipe and Cable Locating in Sydney, NSW

Water Leak Detection in Sydney

Our water leak detection service in Sydney identifies leaks in hidden or underground plumbing systems using acoustic and thermal techniques. Whether you’re managing a multi-unit building or a single dwelling, we help locate and isolate leaks fast—avoiding unnecessary damage and excessive water bills.

CCTV Pipe Inspections in Sydney

CCTV pipe inspections in Sydney provide a non-invasive way to diagnose sewer or stormwater issues. We use high-definition cameras to inspect internal pipe conditions and deliver detailed footage and reports. It’s a reliable solution for pre-purchase inspections, blocked drains or assessing infrastructure on residential or commercial sites.

A CCTV Displaying the Insides of a Pipe — Dowds Pipe and Cable Locating in Sydney, NSW
A concrete scanner — Dowds Pipe and Cable Locating in Sydney, NSW

Concrete Scanning in Sydney

Concrete scanning in Sydney is essential for builders, electricians and engineers working with slabs, walls or floors. Using ground-penetrating radar, we identify steel reinforcements, post-tension cables and conduits before cutting or drilling begins. This service prevents safety risks and structural damage in commercial and residential environments, from the CBD to the suburbs.

Frequently Asked Questions

  • 1. Is utility locating mandatory before excavation in Sydney?

    Yes, it’s strongly recommended and often required by law. Engaging a professional locator helps avoid costly utility strikes, injury and non-compliance with Sydney’s excavation and construction regulations.

  • 2. How deep can utility locating equipment detect?

    Detection depth varies by method and soil type. Ground-penetrating radar typically reaches up to 3 metres, while electromagnetic locators can trace deeper conductive utilities depending on signal strength.

  • 3. What areas of Sydney do utility locating services cover?

    Utility locating services are available across the entire Sydney region, including Bondi, Penrith, Manly, Campbelltown and the CBD. Services are tailored to suit local soil, infrastructure and project needs.

  • 4. What information is provided after a utility locating service?

    Clients receive marked-out locations onsite, along with optional detailed reports or digital maps. This documentation helps with compliance, planning and future reference during construction or maintenance work.