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Why Is Your Water Bill So High? A Guide to Finding Hidden Pipe Leaks

August 5, 2026

If your water bill has crept up over the last couple of quarters and nothing about your household habits has changed, there’s a good chance you’ve got a hidden leak somewhere in the system β€” and it’s more common in Brisbane homes than most people realise.

Where hidden leaks usually hide

The most common spots are underground supply pipes between the meter and the house, pipes running under a slab, and fittings behind walls in bathrooms and laundries. None of these are visible day-to-day, which is exactly why they can run for months before anyone notices.

The warning signs to watch for

Why it matters more than it seems

A slow leak doesn’t just cost you on the water bill β€” left long enough, it can undermine a slab, rot out cabinetry, or create damp and mould issues that are far more expensive to fix than the leak itself. The earlier it’s found, the cheaper the fix.

How we track it down

We use proper diagnostic equipment β€” acoustic leak detection and pressure testing β€” to pinpoint the leak without guesswork, so we’re not pulling up your whole yard or cutting into walls speculatively. Most jobs are a single visit.

If your water bill doesn’t add up, the easiest way to find out why is to get it checked β€” it’s a quick job, and it’s peace of mind either way.

Need a plumber in Runcorn or Brisbane Southside?

Get a free, no-obligation quote from Nero Plumbing Services β€” we'll get back to you within 24 hours.

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