Monthly Archives: May 2026

The $3,800 Toilet Leak: Why Sydney Homeowners Should Never Ignore a Running Cistern

G’day readers, it’s Dave Conroy from The Lone Drainer here.
One of the most common things we hear when we arrive at a leaking toilet job in Sydney is:
“It’s been doing that for ages.”
Usually, the customer says it while pointing at a toilet that’s been quietly hissing away for months like a snake asleep in the corner of the bathroom.
Sometimes it’s just a worn washer or a faulty inlet valve.
Sometimes it’s a leaking pan seal.
And sometimes it’s the beginning of a very expensive disaster.
Recently, we saw a nearly $3,800 quarterly water bill increase due to a leaking cistern.
Most homeowners don’t realise just how much water a leaking toilet can waste. A cistern leaking only two litres per minute can waste more than 250,000 litres of water over three months.
That’s enough water to fill a decent-sized swimming pool.
All because of a leak many people convince themselves they’ll “get around to later.”
Unfortunately, leaking toilets don’t usually fix themselves.

The Running Toilet That Never Stops
One of the biggest warning signs is water moving in the toilet bowl when no one has flushed it. Read More