- Lic #275278C
- Fully Insured ($20M)
- $0 Call-Out
- Lifetime Labour Warranty
- On-Site in 30 Minutes Guaranteed
- 1000+ Five-Star Reviews
- 11+ Years Family Business
- 35+ Years Combined Experience
- Trusted by 15,000 Sydney Families
- Lic #275278C
- Fully Insured ($20M)
- $0 Call-Out
- Lifetime Labour Warranty
- On-Site in 30 Minutes Guaranteed
- 1000+ Five-Star Reviews
- 11+ Years Family Business
- 35+ Years Combined Experience
- Trusted by 15,000 Sydney Families
$50 Off When You Book Online
A straightforward saving on top of a fixed price.
Trusted by 15,000 Sydney Families
That's the track record behind every sewer job we take on.
$0 Call-Out, Free Quotes
Getting a plumber out to diagnose the main costs nothing.
10% Seniors Discount
Available to every senior customer, no conditions attached.
Willoughby Blocked Sewer, Done Properly
A blocked sewer is the drain problem that can't wait.
When the main line backs up, every fixture in the house feels it at once. We get a licensed plumber on-site, find the actual cause, and fix it properly rather than pushing the blockage further down the pipe.
Inside a Typical Blocked Sewer Job
A blocked sewer callout usually falls into one of these categories.
- Root intrusion at joints, the single most common cause on older streets
- Collapsed or cracked pipe sections, often earthenware that's simply reached the end of its life
- Grease and solid build-up, particularly from kitchen waste over years
- Foreign objects, wipes and similar products that stay intact long after they're flushed
Whatever the cause, the job doesn't end until the line is confirmed clear on camera.
That last step matters more on a sewer job than almost any other drain work. A blockage that's simply pushed through without finding the actual cause tends to reappear within weeks, usually at the worst possible time.
How to Tell You Need Blocked Sewer
Some signs point squarely at the main line rather than one fixture.
- More than one drain backs up at the same time
- The toilet gurgles when another tap or the shower runs
- A sewage smell shows up around the yard with no clear source
- Water rises in the lowest fixture in the house first
- A patch of yard near the pipe stays wet with no rain to explain it
Any of those on their own is worth a call. Two together usually means the main is genuinely blocked.
The Willoughby Angle on Blocked Sewer
A good number of Willoughby's homes date back to before the Second World War, sitting on streets laid out around the same time as the Federation-era housing near Penshurst Street.
Pipe stock from that period was almost always earthenware, a material that does the job for decades and then starts to fracture at the joints. Frenchs Road, lined with houses from that same build era, sits squarely in that pipe-age bracket.
Once a joint opens even slightly, roots and fine debris work their way in, and what looks like a slow drain is often that fracture doing its damage underground.
It's a pattern common enough on these older streets that we camera the line as standard on any sewer callout from a pre-war home, rather than assuming a first clear has fixed the actual problem.
What Affects the Cost of Blocked Sewer
A few factors genuinely move the number on a sewer job.
- Clear versus repair. A straightforward clear costs less than a section that has to be dug out and rejoined.
- Depth and access to the line. A shallow run near the boundary is quicker to reach than one under paving or a slab.
- What's actually causing it. Root cutting, grease removal and object retrieval all take different time.
- How much of the pipe is affected, not just the point where it first backs up.
Whatever the cause turns out to be, you get that number in writing before any work starts.
The Process, and What It Typically Takes
Diagnose first. A camera confirms exactly where the blockage sits and what's causing it before we quote anything.
Clear or repair. Root cutting and hydro jetting handle most clears; a genuine collapse needs cutting out and relining or replacing.
Prove it. A second camera pass shows the line running clear, on screen, before we consider the job done.
A clear alone is often finished within a couple of hours. Where the pipe itself needs fixing, it's a longer job, closer to a full day's work, and we'll confirm which one applies once we've actually seen the line.
The Rules That Apply in NSW
Everything from your property boundary in is yours to maintain. Past that boundary shaft, the line becomes Sydney Water's responsibility.
NSW plumbing regulations require sewer work to be carried out by a licensed plumber, and any repair has to satisfy the relevant plumbing standard before it's backfilled. Knowing which side of the boundary a fault sits on matters, because it decides who's actually on the hook to fix it.
We'll tell you plainly if a fault sits on Sydney Water's side of the boundary shaft rather than yours, since that changes who arranges the repair, not just who pays for it.
The Difference on a Blocked Sewer Job
We don't treat a sewer callout as a quick clear-and-go.
The blockage gets diagnosed properly on camera, cleared or repaired to match what we actually find, and confirmed clear before we leave. Trusted by 15,000 Sydney families and backed by $0 call-out fee, free quotes on every visit.
The 10% seniors discount applies the same way it always does, with no conditions attached.
Servicing Nearby Homes Too
Blocked sewer callouts come from right across this pocket of the lower North Shore, not just Willoughby itself.
Chatswood, Artarmon, Naremburn, Northbridge and Lindfield all sit within our regular run, and the same standard applies wherever the call comes from.
Call Us Today About Blocked Sewer
A blocked main won't clear itself, and it gets worse the longer it sits.
Call (02) 9139 8009 and a licensed plumber will diagnose it, quote it, and fix it properly. $50 off when you book online.
Common questions
Willoughby Blocked Sewer FAQs
How can I be sure the main is actually clear?
We film the whole line after the job and go through the footage with you there. A sewer main is out of sight the entire time, so watching it run clean on screen is worth more than us simply saying it's fixed.
How do I prepare before you arrive?
Stop running water into any drain connected to the blockage, and if you know roughly where the line runs, clear access to it. Everything else, including finding the fault, is on us.
What are the signs I need blocked sewer?
Multiple drains backing up together, a bad smell drifting from an outside vent, or the toilet gurgling when the shower runs. Any of those points to the main line, not a single fixture.
What warranty comes with blocked sewer?
A lifetime labour warranty on the work we carry out. If it fails, we come back, no questions asked and no cost to you.
My last plumber cleared this and it's already back, what's going on?
That usually means the clear addressed the symptom, not the fault behind it. A crack or a poorly cut root ball left in place will let the line fill in again within a season, so we run a camera to pin down the actual cause before we sign anything off.
How long does blocked sewer take?
A straightforward clear is typically an hour or two. A line needing repair rather than just clearing runs longer, most of a working day, and the camera pass tells us which category yours falls into.