30+ Years Experience

John's experience in detecting leaks guarantees the best service. As soon as you believe there maybe a leak in your plumbing system, you need to call us at Big Rock Leak Detection.
Contact Us
For All Leak Detection, Gas, Plumbing, Cable and Optic Fibre Location.
We service the South West from Bunbury - Augusta and further afield
including Busselton, Dunsborough, Margaret River, Capel, Nannup & more.
 John Gerrans / Big Rock Leak Detection  8025282666


Leak Detection

We specialise in Water Leak Detection of Water Pipes in Domestic, Commercial, Industrial and Mine Sites.

Cable Location

Before you dig! Cable Locations of Telstra (accredited), Optic Fibre, Power , Water , Sewerage and Gas Services.

Leaks, Cables, Plumbing & More

Taking care of all plumbing, gas & leak detection needs. We at Big Rock Leak Detection specialise in water leak detection in the plumbing system. We have NEVER not located a leak. We cover the southwest area from Bunbury, Busselton, Capel, Dunsborough, Margaret River to Augusta and further inland as well."
  •  Domestic Service
  •  Commercial & Mines
  •  Leak detection
  •  Cable location
  •  Emergency plumbing
  •  Hot water systems
  •  Gas fitting
  •  Storm Water
  •  Drainage
  •  Bio-Waste Systems

Plumbing License - #8702 | Gas License - #GS013881
John Gerrans Leak Detection & Cable Location With over 30 years experience in leak detection, cable location and plumbing, you can rely on John to find water leaks, locate cables before you dig and more.
 Call Now: (226) 496-5124