Like most homeowners, you probably only search “professional leak detection in Sydney” when a plumbing issue appears—a burst pipe or dripping walls.

Well, it’s completely understandable. Most plumbing leaks start small and stay hidden for months before you even notice. But the real question homeowners should ask isn’t “Do I have a leak?”—it’s “How often should I be checking for one?”

Here’s the short answer:

• Quick visual checks: Every 3 months
• Water bill check: Monthly
• Water metre check: Twice a year
• Professional plumbing inspection: Every 1–2 years
• Before buying or selling a home: Always

A tiny leak doesn’t just waste water—it can soak into insulation, ruin slabs, cause mould in humid climates and cause serious structural damage. In Australia, water damage repairs can get expensive fast.

The Water Metre Check

If you suspect a leak due to an unexpected increase in your water bill, try the water metre check. Turn off all taps and water-using appliances, then see if your water metre continues to run. If it does, you have a leak.

Sometimes, the water metre check cannot detect slow leaks. So keep an eye out for other signs like:

• Bubbling paint
• Discolouration on walls
• Musty smells
• Warped wood
• Damp areas on your lawn

When to Bring In a Licenced Plumber

The thing is some leaks don’t show immediately—the water can travel along beams, soak into insulation or spread beneath your foundation before you notice the signs.

Even when you already confirm a water leak, chances are you wouldn’t know exactly where the problem lies—what’s causing it and how much damage is involved. This is where a licenced plumber comes in.

The Real Cost of Ignoring It

It’s tempting to try to do it yourself to save money. But if you do beyond minor maintenance works, you run the real risk of voiding your insurance or breaching regulations. Worse, you might create health and safety risks in your home.

Catching it early is almost always cheaper than repairing damage later. A small water leak can:

• Undermine your slab foundation
• Cause mould in wall cavities
• Attract termites (moisture is a magnet)
• Waste thousands of litres of water
• Increase water bills significantly

How Often Should You Schedule a Professional Inspection?

Booking professional leak detection services on a regular basis is a must for every homeowner. And it’s even more important if your property has clay pipes or large trees near sewer lines, or if your home is older than 20 years.

Here’s a good rule of thumb:

• New Homes (Under 10 Years Old)

Every couple of years is typically sufficient.

• Older Homes (10–25 Years Old)

Every 1–2 years, depending on pipe materials.

• Homes Over 25 Years Old

Annual inspections are wise, especially if you have galvanised steel or ageing copper pipes.

• Properties with Large Trees

Annual inspections are strongly recommended due to root intrusion risks.

• Coastal Homes

Annual checks help catch corrosion early.

A professional inspection can include pressure testing, CCTV drain inspections and non-invasive leak detection technology.

Plumbing is one of those important home maintenance tasks you should invest in. Don’t wait for problems to show up; call Smart Sealed to check for leaks and maintain your home’s plumbing.