The simple locate: $200–$400
Short accessible runs: confirmed, pinpointed, marked without ceremony.
Precision Leak Location
Water Leak
Detection In
Moore Park
A leak you cannot see is still on the meter, still under the slab, still soaking the wall cavity. We find them with listening gear, thermal imaging and pressure testing, so the repair needs one small hole in the right place, not three big ones in guesses.
- Licence 368473C, fully insured
- Acoustic, thermal & pressure testing gear
- Detection and the repair: one crew, one visit
How A Hidden Leak Gives Itself Up In Moore Park
A hidden leak cannot help giving itself away three times over. Escaping water under pressure sings at frequencies acoustic gear can chase along a pipe run; it changes the temperature of whatever it soaks, which thermal imaging paints in false colour through wall sheeting and slab surfaces; and it bleeds pressure from whichever isolated section of pipework it lives on, which a gauge catches cold. One signal suggests; three signals triangulate.
That triangulation is what you are actually buying. Where the readings converge, we mark the floor, and in Moore Park’s renovated homes, where pipework wanders in ways no council plan ever recorded, that mark routinely sits metres from where anyone would have started digging on instinct. The difference between those two points is the difference between lifting three tiles and re-doing a bathroom.
Water coming through the ceiling
The apartment showing the damage is almost never the apartment with the fault. Water tracks along the top of a slab, through penetrations and down whichever path is available, which can be several metres laterally before it enters your ceiling.
Older homes and apartment blocks nearby run on original clay lines and shared drainage prone to cracks and blockages. The right access sorts it.
Thermal imaging and moisture mapping from below will usually establish the direction it is arriving from, which narrows the source before anyone needs access to a neighbour's bathroom.
The leak that is a drain, not a water pipe
Not every escape of water is under pressure. A cracked drain leaks into the ground continuously without affecting the meter, without a pressure drop, and often without a single symptom inside the house.
The distinction decides the method. Pressure leaks are found with acoustics and the meter; drain faults are found with a camera and, where needed, a smoke or dye test.
Shower recesses: the most common leak in any block
Failed waterproofing in a shower is the single most frequent source of inter-lot water damage in strata, and it rarely presents as a leak at all, it presents as a damp patch on a neighbour's ceiling months after the membrane gave up.
It is worth ruling in or out early because it is a building repair rather than a plumbing one, and the process for approving and funding it is different. Flood testing the recess is inexpensive and definitive.
When a drain leak undermines itself
A cracked earthenware line leaking into its own trench washes out the bedding supporting it. Losing support, the pipe sags; sagging, it holds water; holding water, it collects solids and eventually blocks.
Which is why a drain that has begun to block regularly and a drain that is leaking are frequently the same drain at different stages. Finding it early is considerably cheaper than finding it once it has collapsed.
Whose leak is it in an apartment?
The technical question and the financial question have different answers, and both need settling. Pipework serving only your lot is yours; risers, mains and common-property lines belong to the owners corporation.
A leak detection report that names the line, the lot and the direction of travel is what turns a dispute into a decision. That is what we write, because a description of where the water appeared settles nothing.
What it costs in Moore Park
The standard job, $300–$500
First hour with the full kit, pressure isolation, thermal, acoustic, on a typical concealed leak.
The long trace, $100–$250/hr after
Extended runs, awkward access and multi-leak eliminations, beyond hour one.
The hard cases, up to ~$900
Deep slab lines and multi-storey tracing at the top of the Sydney range.
Then the fix, priced on proof
Quoted off exactly what detection found, repaired through the marked spot, same crew, same visit, one call-out.
Compare it with exploratory demolition, which costs more than detection before it has even guessed right once. Figures here are indicative of the 2026 Sydney market rather than a quote from us, you get your own number as a fixed price before any work starts.
How A Detection Visit Runs
Step 01
Step 01
Confirm Before Chasing
The meter test done properly, plus your bills. If the evidence says there is no supply leak to find, you hear exactly that, free of a detection invoice.
Step 02
Corner It
Isolating pipework section by section against a pressure gauge, hot versus cold, line by line, convicts one run and acquits the rest.
Step 03
Mark The Spot
Acoustic tracking and thermal imaging walk the guilty run until the signals stack. The X on the floor is accurate to centimetres.
Step 04
One Hole, One Fix
Access opens exactly at the mark; the failed section is repaired and pressure-tested. If the run's condition argues for a reroute instead, both numbers land first.
Failed The Meter Test Just Now?
Then it is real, running, and billing you daily. Detection this week beats discovery through a ruined floor next month.
The meter test, and it is free. Turn off every tap and appliance that uses water, read the meter including the smallest dial, then check again an hour later without using anything. If the reading has moved, water is leaving the property. If it has not, you do not have a pressurised leak, which rules out a lot before you spend anything.
Very possibly, and it is worth ruling out first. A cistern leaking internally wastes thousands of litres a quarter silently. Put a few drops of food colouring in the cistern, wait twenty minutes without flushing, then look in the pan. Colour in the bowl means the outlet valve is passing, usually a cheap part.
A standard detection visit generally runs $350-$650 depending on the size of the property and how much isolating is involved. Tracer gas or extensive thermal work sits above that. Market figures for 2026, not a quote, and if the meter test says there is no leak, you are told that rather than sold the rest of the process.
Often not. Water tracks along the top of a slab and through penetrations, sometimes several metres laterally before entering your ceiling. Thermal imaging and moisture mapping from below usually establish the direction it is arriving from before anyone needs access to a neighbour's bathroom.
Because it undermines its own bedding. Water escaping into the trench washes out the support, the pipe sags, a sagging pipe holds water, and standing water collects solids. A drain that leaks and a drain that blocks are frequently the same drain at different stages.
Very commonly. Failed waterproofing in a shower recess is the single most frequent source of inter-lot water damage in strata, and it presents as a damp ceiling patch months after the membrane gave up. Flood testing the recess is inexpensive and definitive, and it is a building repair, not a plumbing one.
Usually either a dry or failed trap, or a break in a line venting where it should not. A smoke test finds both quickly: introduce smoke into the system and watch where it emerges. Unglamorous, cheap, and conclusive in a way that sniffing around is not.
Locate It This Week Anywhere In Moore Park
Instruments, a mark on the floor, one hole, one fix: and the meter finally standing still.
