Updated October 2026
Carlton is a compact suburb wedged between Kogarah and Allawah, with the Illawarra rail line and Carlton station running through its middle. Its streets hold a mix of older single storey houses, semis and walk-up unit blocks, with newer apartments closer to the station. St George Blocked Drains is a local referral service. We put Carlton residents in touch with licensed local drain plumbers we work with.
Why Carlton drains block
Carlton's older houses tell the usual St George story. Many were connected with clay sewer pipes, and those pipes have now spent a long time underground. Joints open, roots creep in, and partial blockages slowly become full ones. Because blocks here are often narrow, the sewer line can run under paths, side passages or extensions, which makes access part of the job.
The walk-up unit blocks are their own category. A three storey block may have a single shared sewer line carrying waste from every unit. Wet wipes, paper towel and kitchen grease from several households build up in that line, and the lowest unit usually finds out first.
Being close to the rail corridor, some properties also have drainage running near boundaries and retaining walls, where ground movement over time can shift pipes slightly out of line.
What clearing a blocked drain involves
The licensed drain plumbers we work with typically start by locating the blockage through the overflow relief gully or an inspection opening, then use a CCTV drain camera to see what caused it. Jet blasting clears grease and roots back to the pipe wall. For a shared line that backs up several units at once, the job is handled as a blocked sewer and traced to the right section.
A standard clear typically costs $150 to $400, around $280 for most jobs. Root clearing runs $250 to $600, and a camera inspection $249 to $600. If the pipe is broken, relining typically costs $3,000 to $8,000 or more.
Frequently asked questions
The sewer line runs under our extension. Can it still be fixed?
Usually, yes. Relining repairs the pipe from inside through existing access points, so a damaged section under a slab can often be fixed without breaking up the floor.
Every unit in our block has slow drains. What does that mean?
When several units are affected at once, the blockage is almost always in the shared line. Contact your strata manager and get the common line cleared and inspected.
Is a camera inspection worth it for a one-off blockage?
For a true one-off, not always. If it is the second blockage in a year, the camera usually pays for itself by showing the real cause.
Blocked drain in Carlton? Get a fast quote and a licensed local drain plumber will call you back.