Blocked Sewer Sydney: Cleared & Proven on Camera

Answer:

The cost of sewer unblocking in Sydney depends on the severity and depth of the blockage. For example, a shallow blockage near an access point will cost less than a deep sewer line issue requiring CCTV inspection and pipe relining. At Mr Splash Plumbing, we provide upfront fixed pricing before starting any work, so there are no surprises. We also offer upfront fixed pricing and 0% interest payment plans. Call us for a free quote.

Answer:

Common signs of a blocked sewer include: multiple drains in your home backing up at the same time, sewage smell in your yard or bathroom, gurgling sounds from toilets, wet patches or unusually green grass in your yard, and slow drains throughout the entire house (not just one fixture). If you notice any of these, call a licensed plumber immediately to prevent sewage backup into your home.

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The most common cause of blocked sewers in Sydney is tree root intrusion. Roots seek out moisture and grow into sewer pipe joints and cracks. Other causes include grease and fat buildup from kitchen waste, foreign objects flushed down toilets (wipes, sanitary items), collapsed or aging pipes, and ground movement causing pipe displacement. A CCTV sewer camera inspection shows you the exact cause once the line is cleared.

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Yes, a blocked sewer is a serious health hazard. Raw sewage contains harmful bacteria, viruses and pathogens that can cause illness. A blocked sewer can also lead to sewage backing up into your home, contaminating your yard and neighbouring properties, and causing structural damage to your plumbing system. If you suspect a blocked sewer, call Mr Splash Plumbing immediately on 1300 677 752, we provide 24/7 emergency service.

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Absolutely. Tree roots are the number one cause of blocked sewers in Sydney. Roots seek out moisture and can enter sewer pipes through the smallest cracks or joints. Once inside, they grow rapidly and create severe blockages. We treat tree root intrusion with high-pressure jet blasting to clear the roots, followed by chemical root treatment to prevent regrowth. For badly damaged pipes, pipe relining creates a new pipe inside the old one without digging.

Answer:

Most standard sewer blockages can be cleared in 30 to 60 minutes using high-pressure jet blasting. More complex blockages, such as deep tree root intrusion, collapsed pipes or blockages requiring excavation, may require a CCTV sewer camera inspection first and could take 1–2 hours. Our team will give you a clear timeframe and upfront pricing before starting any work.

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A CCTV sewer inspection involves inserting a small, high-definition camera into your cleared sewer line to show you the exact cause, the pipe condition, and proof the blockage is gone. This allows us to see tree roots, cracks, collapsed sections, grease buildup and foreign objects without any digging. We include a free CCTV inspection with every booked sewer service. Learn more about our drain camera inspection service.

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Generally, homeowners are responsible for the private sewer line that runs from your house to the property boundary. The council (or Sydney Water) is responsible for the main sewer line in the street. However, this can vary depending on your local council and the age of your property. If you're unsure, we can help you determine where the blockage is and whether it's your responsibility or the council's.

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Pipe relining is a no-dig method of repairing cracked, broken or root-damaged sewer pipes. A resin-coated liner is inserted into the existing pipe and cured in place, creating a brand new pipe within the old one. It's faster, less disruptive, and often cheaper than traditional pipe replacement, no digging up your yard, driveway or garden. Our pipe relining comes with a 50-year product warranty.

Answer:

To prevent sewer blockages: never flush wet wipes, sanitary products or nappies (even “flushable” ones cause blockages), avoid pouring cooking oil or grease down the sink, schedule regular sewer maintenance every 1–2 years, and if you have large trees near your sewer line, consider regular root treatment. A CCTV inspection every 2 years can catch problems early. For more general drain tips, see our blocked drains page.