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Tracking and Fixing a Subfloor Leak – Charlestown

A real Charlestown case of a tricky subfloor leak and how our team resolved it.

Background

A homeowner in Charlestown called us after noticing damp patches on a few internal walls, especially after heavy rain. They’d already had a couple of inspections, but no one could say for sure where the water was coming from. With the damage getting worse, they contacted Leak Hunters, specialists in leak detection, for a proper diagnosis.

Initial Leak Testing

Our Newcastle plumbers carried out an inspection of the home and surrounding property. Moisture readings confirmed a strong link between the leaks and storm events. Everything pointed to water getting in underneath the house and creeping into the internal walls.

Our Leak Detection Process

Our inspection showed poor drainage under the home was the main cause. Rainwater was pooling below the structure and slowly finding its way inside. By carefully assessing the property layout and drainage flow, we tracked the leak right back to its source.

The Challenge

The main challenge was that the signs of damage were inside the home, but the actual leak was hidden underneath. The situation required experience, the right tools and precise leak detection.

The Work we Carried out

To fix the problem, we installed a drainage redirection system beneath the home to keep water away from the foundation. We also sealed the entry points and waterproofed the area to stop any future seepage. These steps not only stopped the internal damage but also helped protect the home long-term.

The Result

Redirecting the water away from the foundation stopped the damp from reaching the internal walls. We walked the homeowner through what had caused it and what we’d changed, so they understood why the repair would hold rather than just being told it would. A subfloor leak rarely shows itself where it’s happening, which is why the diagnosis matters as much as the repair.

Contact Leak Hunters Today!

If you’re dealing with water damage or unexplained damp spots, don’t wait. Trust Leak Hunters, your local experts for your Newcastle plumbing needs. 

Call us on 02 4006 8330 or contact us to book a service. We’re proud to support locals in Newcastle and in nearby areas.

Leak Detection in Action

Newcastle, the Central Coast & Port Stephens

Areas Our Team Services

Every job follows the same approach, whether it’s in Newcastle, on the Central Coast or in Port Stephens: find the source, quote it in writing, and fix it so it stays fixed. The areas our team covers are below.

Our home base, where most of these jobs happen, with leak detection and repairs across the city, the beaches and the Lake Macquarie side.

Terrigal | Erina | Tuggerah | Wyong | Avoca Beach | The Entrance

The same diagnostic approach from Gosford through the coastal suburbs, finding the source first and quoting the work in writing.

Raymond Terrace | Nelson Bay | Shoal Bay | Soldiers Point | Corlette

We bring the same standard shown in these case studies to the bay and peninsula suburbs, from leak detection to repairs.

What Sets Leak Hunters Apart

Why Choose Leak Hunters?

Leak Hunters are your trusted local plumbing experts servicing Newcastle and surrounding suburbs. We are dedicated to providing top-quality plumbing solutions with a focus on customer satisfaction and exceptional workmanship.

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Licensed & Insured

We work under contractor licence #156870C, verified with NSW Fair Trading. Fully insured on every job.

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25 Years of Local Experience

Our team has been finding and fixing leaks in Newcastle homes for over 25 years. When others can’t find the leak, we do.

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Payment Plans for Large Jobs

For larger jobs like leak detection, drainage work, and shower repairs, we offer flexible payment plans. Ask us when you call.

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Transparent, Fixed Pricing

A clear, upfront quote before any work begins. What we quote is what you pay. No hidden charges, no invoice surprises.

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Specialist Detection Equipment

Thermal imaging cameras, acoustic equipment and moisture meters to locate leaks others can’t find.

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10% Off Senior Discount

We offer discounts for eligible customers and selected services. Call our team to find out what’s currently available.

Have Damp Walls With No
Obvious Source?

Send us the details of where the damp is appearing and when it gets worse. We’ll confirm the next available assessment and an upfront written quote.

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