Leak Detection / Surry Hills

Leak Detection Surry Hills

Hidden leaks in walls, floors, slabs and ceilings across Surry Hills, found before anything is opened up, with a fixed price before we start.

Our guarantee: 12 months on our workmanship, in writing. What it covers

$0 call-out fee — any hour, any day · Available 24/7

In Surry Hills, finding a leak is often as much about whose it is as where it is. Terraces share walls and lines, converted warehouses and small blocks mix private and common property, and commercial kitchens sit under apartments across much of the suburb. We find the source first, so the right person fixes it.

Bath filled with bright fluorescent yellow dyed water during a leak detection dye test
A dye test in progress: the bath filled with water carrying fluorescent tracer dye.
Yellow tracer dye seeping up through the grout lines of a tiled bathroom floor, marking the path of a hidden leak
The same dye coming up through the floor outside the bath. Where it surfaces is where the water is escaping — no floor lifted to find it.

In warehouse conversions and small blocks, the split between common property and a private fault is rarely obvious from inside an apartment. Locating the source quickly is what limits the damage and the argument.

In terraces and stacked apartments, water travels along walls, slabs and old timber floors before it shows. The damp patch is a clue, not the answer, and the leak is often in the house or unit next door or above.

Fixed price quoted before we start. $0 call-out fee.

(02) 9139 8945

How It Works

01

We discuss your symptoms — high water bills, damp patches, mould — to narrow the search area.

02

We use acoustic listening devices, thermal cameras, moisture readings and, where it suits, tracer dye to pinpoint the leak non-invasively.

03

We provide a clear report of the leak location and recommend the repair approach.

04

We carry out the repair — patching, pipe replacement, or relining as appropriate.

Common Questions

We test the lines and fixtures in both units and trace where the water is entering, using pressure testing, acoustic listening, thermal imaging and dye testing. The written findings go to both owners or the strata manager.

Yes, regularly. We provide a written report so the committee has something concrete rather than a verbal description.

Yes. We take calls 24/7, including weekends and public holidays, with no call-out fee. If water is coming through a ceiling, turn off the power to that area if it is safe to, and call us.

How we find hidden leaks, the signs to look for, and what it involves.

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from 37 Google reviews
Read them on Google →
Excellent service from Mr Clog! They responded quickly to my leaking pipe, identified the problem, and fixed it efficiently. The plumber was professional, friendly, and explained everything clearly. The pricing…
d.s1zzGuildford · October 2026
Just want to thank the team from Mr Clog for coming out today for an emergency water leak under my house. They were quick, reliable and fair priced. Thanks guys.
JasonAdded to site May 2026
Can’t rate this business high enough. I had a very concerning toilet blockage and they came straight out and found and rectified the problem immediately. The price was very reasonable and they went above and be…
Donna Y.Penrith · October 2026

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How urgent is it?

In a hurry? Call (02) 9139 8945 — we answer 24/7.

$0 call-out fee — any hour, any day. Available 24/7, 365 days a year.

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