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Signs of a Water Leak

Updated: Jan 24


Often, water leaks are not what they seem. It’s not uncommon to not even know that you have a burst pipe. In fact in complexes like apartment blocks, it’s probable. Here's some signs that you might be experiencing a water leak.


  • Your carpet is damp or wet. Typically we see this in areas that join showers and laundries.

  • You can hear a hissing sound behind walls or in ceiling spaces. Maybe even in the outside.

  • All of a sudden, you're experiencing a drop in water pressure.

  • You can see paint flaking or bubbling for no apparent reason.

  • You can visibly see mould starting to appear in places.

  • There are musky smells, generally associated with mould.

  • You're noticing water starting to appear in places like ceiling light fittings.

  • Excessive water bills.



Here's a guide on leak detection checks you can perform at home:

  • Inspect all visible plumbing fixtures and pipes for any signs of leaks. Look under sinks, around toilets, and near appliances that use water.

  • Examine the joints and connections for moisture, discoloration, or water stains.

  • Turn off all water sources in your home, including faucets, appliances, and irrigation systems. Check the water meter reading. If it continues to move, there may be a hidden leak. Note that some meters have a leak detection indicator.

  • Identify the shut-off valve for your house and turn it off. If the meter stops, the leak is likely within your home. If it continues, the issue may be in the main water line.

  • Look for water stains, bulging or discolored areas, and peeling paint on walls and ceilings. These signs may indicate a hidden leak. Pay attention to areas below bathrooms, kitchens, or where water pipes are present.

  • Inspect bathrooms, basements, and other areas prone to moisture for signs of mold growth. A musty odor can also indicate hidden leaks.

  • Inspect appliances that use water, such as washing machines, dishwashers, and refrigerators with ice makers. Check for water accumulation, dampness, or discoloration around these appliances.

  • Look for signs of corrosion or water around the base of the water heater. A leaking pressure relief valve or a faulty drain valve may indicate a problem.

  • Place a few drops of food coloring in the toilet tank without flushing. Wait for 10-15 minutes. If color appears in the bowl, there may be a leak in the toilet tank.

  • Check hoses, outdoor faucets, and irrigation systems for leaks. Look for water pooling around these areas, especially after use.

  • If you have a pool or spa, inspect the equipment for any leaks. Look for wet spots around the pump, filter, and plumbing connections.

  • Consider using a leak detection kit that includes moisture sensors and alarms. These can be placed in areas prone to leaks, such as under sinks or near water heaters.

  • Pay attention to sounds of running water when no fixtures are in use. This may indicate a hidden leak. A hissing sound near plumbing fixtures could suggest a leak in the water supply line.

  • Warped or buckled flooring, especially in the bathroom or kitchen, may indicate water damage from an underlying leak.


Call us now on 07 3034 1870 to investigate and repair your water leak.


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