SEE WINTER SPECIALS HERE

Water Leaks and Flooding in Auckland

Fast leak detection and emergency repairs. Available 24/7 across Auckland.

Back to Emergency Plumber

Water leaks range from a minor nuisance to a full-scale emergency. A small drip behind a wall can cause thousands of dollars in damage before you even know it is there, while a burst pipe can flood your home in minutes. At Water and Gas Worx, we handle everything from hidden leaks to active flooding across Auckland, and we are available around the clock when you need us most.

What to Do When You Discover a Leak or Flood

If water is actively flooding your home, take these steps before calling us:

Types of Water Leaks

Hidden Pipe Leaks

Pipes running through walls, under floors, and in ceiling cavities can develop leaks from corrosion, failed joints, or movement in the building. These leaks often go undetected for weeks or months, causing rot, mould, and structural damage. Older Auckland homes with galvanised steel or copper pipework are particularly prone to pinhole leaks caused by corrosion.

Slab Leaks

Pipes embedded in concrete floor slabs can leak due to corrosion, ground movement, or poor installation. Slab leaks are difficult to locate without specialist equipment and can cause significant damage to flooring and the slab itself. Signs include warm spots on the floor (if a hot water pipe is leaking), damp patches, or a persistent sound of running water.

Roof Penetration Leaks

Plumbing vent pipes and flues that pass through the roof require proper flashing and weatherproofing. When flashings fail, rainwater enters the roof cavity and can travel along framing before appearing as a stain on a ceiling well away from the actual entry point.

Shower Leaks

Failed waterproofing in showers is one of the most common causes of water damage in Auckland homes. Water seeps through cracked grout, deteriorated silicone, or failed tanking membranes and into the wall framing and floor structure. By the time you notice damage on the other side of the wall, the framing may already be rotting.

Toilet Cistern Leaks

A faulty inlet valve or flush valve can cause a toilet to run continuously, wasting hundreds of litres per day. Cistern leaks also include the seal between the cistern and the pan, which can weep water onto the floor with every flush.

Signs of a Hidden Leak

Not all leaks announce themselves with a puddle on the floor. These are the warning signs that you may have a leak you cannot see:

Our Leak Detection Methods

We use a combination of techniques to locate leaks accurately without unnecessary damage to your property. Visual inspection and pressure testing identify the general area, and from there we can use acoustic listening equipment to pinpoint the exact location of the leak through walls, floors, and underground. This targeted approach means we only open up what is necessary, minimising disruption and repair costs.

Insurance Claims Tips

Most home insurance policies in New Zealand cover sudden and accidental water damage, such as a burst pipe. However, gradual damage from a long-standing leak that you failed to notice or maintain is often excluded. Here are some tips:

Auckland Weather and Flooding Risks

Auckland receives over 1,200mm of rainfall annually, and severe weather events are becoming more frequent. The floods of early 2023 demonstrated how quickly stormwater systems can be overwhelmed, causing surface flooding, slips, and damage to residential plumbing infrastructure. Heavy rain can also expose weaknesses in older plumbing systems, causing pipes to shift, joints to fail, and drains to back up.

Properties in low-lying areas, near streams, or on slopes are at higher risk. If your home is in a flood-prone area, we recommend having your plumbing inspected annually and ensuring your stormwater drains are clear and functional before winter.

Water Leak or Flooding? Call Now

Available 24/7 across Auckland for emergency leak detection and repair.

0800 322 322