Blocked Sewer for Double Bay Homes
300+ five-star reviews
When more than one drain in the house backs up at the same time, the sewer line is almost always the reason. We'll tell you exactly what's wrong and the best way to fix it, with $0 call-out fee either way.
Phone (02) 9134 9067 now, or book it online.
- Lic #292427C NSW plumbing licence — fully insured, water and gas
- Honest Diagnosis, Every Time We'll tell you exactly what's wrong, in plain terms, before any work starts.
- Lifetime Labour Warranty A sewer fix that's guaranteed to hold, or we come back.
- $65 Off Your First Service New customers save $65, on top of a fair price.
When It Is Time for Blocked Sewer
A blocked sewer rarely looks like a single blocked pipe. It tends to show up everywhere at once.
- Two or more fixtures backing up around the same time
- A sewage smell drifting from an outdoor drain or gully
- Gurgling that seems to come from several drains, not just one
- The toilet, shower and sink all struggling to drain together
- Waste water surfacing from an outdoor grate after normal use
- A blockage that clears briefly then returns across multiple fixtures
A single stubborn toilet on its own usually points to blocked toilets instead. Where the same section keeps clogging despite repeated clears, a CCTV drain inspection settles what's actually happening underground.
Blocked Sewer: What We Actually Do
Every toilet, sink and shower in the house shares one sewer line on its way to the boundary connection, so trouble on that shared line shows up everywhere at once.
That's the practical difference from a single clogged drain, and it changes how the job gets approached.
Locating the blockage. Camera work finds exactly where the line has failed or backed up.
Clearing roots and debris. Whatever's obstructing the line gets removed before anything else.
Junction and boundary-shaft checks. Where pipes join or meet the boundary connection is a common failure point.
Tracking down repeat blockages. If this has happened before, the footage usually shows why.
We don't guess with a job this disruptive. Every recommendation follows what the camera actually shows.
What We See in Double Bay Drains
The heritage blocks around the village still run older clay and earthenware drains, and the mature trees lining Knox, Cross and Bay Streets sit directly above them.
A sewer line under one of those streets has decades of established root growth nearby, and once a root finds a hairline crack in an old joint, it doesn't stop.
That's usually the difference between a garden-variety blockage and a full sewer backup: roots don't just block the flow, they hold the blockage in place until the growth itself is dealt with.
Cutting the roots back is only half the job. The crack that let them in has to be closed properly, or the same thing happens again next season.
The Factors Behind a Blocked Sewer Quote
Several variables determine what a sewer job costs, and we're upfront about each one before you agree to anything.
- Whether the blockage is roots, debris or a structural fault in the pipe
- How far into the property the affected section runs
- Access to the line, including whether a boundary shaft needs opening
- Whether more than one section needs attention
- What the camera footage actually reveals once it's down there
Root intrusion in the village's older blocks can mean the crack itself needs sealing, not just the roots removed, and that's a cost factor we flag honestly rather than adding on quietly later. You know the full figure before a tool is picked up, and $65 comes off if you're a first-time customer.
Licensed, Insured and Accountable
In NSW, anything on the sewer system beyond clearing a single fixture is licensed plumbing work, without exception.
Lic #292427C is ours, and it's what we put our name to on every sewer job we sign off.
Broadly speaking, the household carries responsibility for its own line, and Sydney Water's remit begins at the connection. This is a rough guide rather than a verdict, since every property can differ slightly.
How We Fix It for Good
See what's actually happening. The camera goes down first, before anything else is touched.
Open it up. The jetter or electric eel shifts the blockage so every fixture in the house drains again.
Deal with the real cause. Roots get removed and any damaged section repaired, not just cleared past.
Confirm before we leave. A second camera check verifies the fix, and the site is left as we found it.
Why This Is a Job for Our Team
A blocked sewer affecting the whole house calls for someone used to exactly this kind of job, not a generalist plumber working it out as they go. Our team includes a dedicated drain-and-sewer specialist.
Honest diagnosis matters most on a job this disruptive, because the whole household is waiting on the answer.
The lifetime labour warranty means a sewer repair is meant to be the last time you deal with that section, and turning up to check it never costs you a cent upfront.
Blocked Sewer Across Double Bay and Surrounding Areas
We take on sewer jobs across Double Bay, Woollahra, Edgecliff and Rose Bay, typically pairing the callout with a CCTV drain inspection to confirm the cause before anything is quoted.
Where it's one fixture rather than the whole system, blocked toilets is the more accurate call.
We're on these streets often enough that getting someone out quickly rarely turns into a wait.
Let’s get it flowing again
Book Your Blocked Sewer Today
Multiple drains backing up at once is not something to sit on. Ring (02) 9134 9067 and we'll get someone assessing it properly.
Honest diagnosis, a fixed price before we start, and no cost whatsoever just to have us come look.
Prefer to write it down? Send the details through.
Good questions, straight answers
Your Blocked Sewer FAQs
Questions Double Bay homeowners raise most about a blocked sewer.
How long does blocked sewer take?
Clearing the immediate blockage is often done within a couple of hours. If the camera turns up damage needing repair, that adds time, confirmed once we've actually seen it.
Can tree roots be removed from a drain without digging?
Usually, yes. Roots sitting inside a sewer line can generally be cut back and the line cleared without opening up the yard.
Can you do blocked sewer in Double Bay the same day I call?
In most cases. This village is part of our regular round, and multiple fixtures backing up together tends to get same-day priority.
What are the signs I need blocked sewer?
More than one fixture backing up at once, a sewage smell indoors, or gurgling from drains across the house all point to the sewer line rather than a single blocked pipe.
Do I need a licensed plumber for a blocked drain?
For sewer work, definitely. NSW rules treat it as licensed plumbing, and we hold #292427C to cover it.
Who is responsible for a blocked sewer, me or Sydney Water?
As a general guide, the private line on your side of the connection is yours, and Sydney Water takes it from there. It's a starting point rather than a formal ruling, since details vary property to property.