Burst Pipes
Some burst pipes are obvious. Many are slow leaks that go unnoticed for months. Here’s what to look for.
Photo: Immo Wegmann / Unsplash
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Some burst pipes are quite obvious – water gushing everywhere! However, just as common is a slow leak that can go undetected for weeks and sometimes even months.
Subtle signs can give you the tip that something is not quite right. For example, a squishy or damp patch in your lawn that never seems to dry out, rising damp along the brickwork of your home, or a ‘hissing’ sound that seems to come from behind the wall.

Signs of a burst pipe or hidden leak
- a squishy or damp patch in the lawn that never seems to dry out
- rising damp along the brickwork of your home
- a hissing sound from behind a wall
- the sound of water under the house when everything is turned off
- a water bill that is higher than usual
If a pipe bursts
- Turn the water off at the main tap. Find it now, before you need it.
- Move anything valuable or electrical out of the way of the water.
- Ring us on 0401 956 095 and we’ll find the source.
Where burst pipes hide
Glenn has found them in some interesting places. In a week in the life of a maintenance plumber, he crawls under a waterlogged house to trace a leak. His apprentice turns the water off and on while Glenn works out where it’s coming from, then he marks the spot and repairs it. He also repaired a pipe in a wall after a cabinet maker put a screw through it while fitting a vanity, and replaced a burst hot water unit.
That under-house leak was an easier fix because the pipe wasn’t galvanised. If your home has older galvanised pipes, see renewing your water line.
Slow leaks cost more than you think
A slow leaking tap alone can waste up to 20,000 litres of water a year. Read more on our taps and leaks page.
Burst pipe questions
How do I tell a burst pipe from a slow leak?
Can you find a leak under the house?
What should I do if a pipe bursts?
My house has galvanised pipes. Should I be worried?
Related work we do
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