A detached home exterior with an established front garden

Blocked Drains Longueville

Same-day drain clearing on the Lower North Shore.

Longueville 2066 24/7 NSW Lic. 476657C

Blocked sinks, toilets and main sewer lines cleared in Longueville — with a camera down the line afterwards, because a root that got in once will get in again.

No callout fee on eligible jobs · Free quotes

Fixed upfront pricingPriced by the job, not the hour
24/7 emergencySomeone answers at 3am
We look before we quoteCamera, not guesswork
Licensed & insuredNSW licence 476657C

Why drains block in Longueville

Four housing eras on one peninsula, and not a single semi

Longueville is 98.8% separate houses with no semis at all, on a peninsula between Tambourine Bay and Woodford Bay. Every line is private, unshared, and running down a steep fall to one bay or the other. Because the suburb developed from the 1870s and has been rebuilt selectively ever since, four distinct housing eras sit on the same peninsula — so the age and material of what is under a property varies enormously.

A new drainage pipe bedded in gravel in an open trench

What Longueville is built from

How people live in a suburb decides what blocks its drains. A high proportion of separate houses means most of the drainage here is private line running under gardens, which is exactly where roots find it.

Separate houses 98.8%Semis & townhouses 0.0%Flats & apartments 1.7%

Longueville sits in the Municipality of Lane Cove, postcode 2066. A peninsula between Tambourine Bay and Woodford Bay on the Lane Cove River, eight kilometres north-west of the CBD.

Local figures sourced from: ABS 2021 Census QuickStats — Longueville · Longueville, New South Wales — Wikipedia

How a blocked drain shows up in Longueville

A drain rarely stops working without warning. These are the patterns worth acting on here — each one points at a different cause, which is what decides the fix.

Nothing shared, ever

No semis means no party-wall drainage. If your line is blocked, it is yours alone.

Steep falls to two bays

Which bay a property drains towards changes the run, and on large blocks those runs are long.

Wildly different pipe on adjacent blocks

Four eras of housing means neighbours can be a century apart in drainage age.

What we usually find under Longueville

Roots into an aged joint on a long private run down towards Tambourine Bay or Woodford Bay. What varies is the pipe — four housing eras on one peninsula means anything from Victorian earthenware to modern PVC, sometimes spliced on the same run.

A new drainage pipe bedded in gravel in an open trench

Most repeat blockages are a pipe problem, not a blockage problem. We look before we quote.

What the drain is likely made of

Residential development from the 1870s, official suburb status in the 1920s, and steady redevelopment since. That means anything from Victorian earthenware to contemporary PVC, sometimes spliced together on the same run where a house has been extended. A diagnosis from next door is worth very little here.

Worth saying plainly: pipe material by era is a pattern, not a survey. The only way to know what is under a particular Longueville property is to put a camera in it.

How the blockage actually gets cleared

Roots have to come out before anything else can be assessed, and what happens after that depends on the state of the joint they came through.

Root cutting

The first move here. A cutting head removes the root mass and flow returns the same visit — but roots regrow through the same opening, so on its own it is a treatment, not a cure.

CCTV drain inspection

Shows the joint the roots came through and whether the pipe around it is sound. That is what decides between an annual clear and a repair.

Pipe relining

A new liner cured inside the old pipe seals the joints the roots came through, removing the entry point without excavation.

High-pressure water jetting

Used here to flush out debris once the root mass is cut, and to show the joint clearly enough for the camera to assess it.

Clearing a blocked drain in Longueville

Because pipe age varies so much, the camera earns its place here more than in a uniform suburb — it establishes material and condition rather than confirming a guess. On large established blocks the reinstatement cost after excavation is usually what tips the decision towards relining.

Rainwater pouring from a roof gutter during heavy rain

What clearing a blocked drain costs

Nobody likes ringing for a price and being told “it depends”. These are typical ranges across the Sydney market — not Voyager’s price list, but a realistic yardstick to judge any quote against, including ours.

$150 – $400Clearing a simple blockage
$250 – $600High-pressure jetting
$250 – $550CCTV drain inspection
Clearing a simple blockage $150 – $400
Clearing a blocked main sewer line $300 – $600
High-pressure jetting $250 – $600
Cutting tree roots from a line $400 – $1,200
CCTV drain inspection $250 – $550
Pipe relining, per lineal metre $450 – $800
Pipe relining, typical whole job $4,000 – $10,000
Excavate and replace, per metre $300 – $600
What moves the price in Longueville: Run length and reinstatement on large established blocks, with no shared infrastructure anywhere to spread a cost across. There are no semis in Longueville at all, so there is never a second owner to split with.

Voyager prices by the job, not by the hour, so the number you approve is the number you pay.

Copper plumbing fittings laid out ready for installation

Not sure if it’s a blockage or a broken pipe?

Describe what’s happening at your Longueville property and we’ll tell you straight — including when the simple clear is the whole job.

What to do right now

If this line has blocked before, say so when you call. In Longueville a repeat is the signal that something is growing in the pipe rather than stuck in it, and that changes what needs to happen on the visit.

Stop using the fixtures on that line. Every flush and every sinkful adds to what has nowhere to go, and on a main sewer blockage that is what turns a contained problem into an overflow.

Do not pour drain chemicals down it. They rarely clear a real blockage, they make the line unsafe to inspect or work on, and caustic product sitting against an old earthenware joint does the pipe no favours.

If sewage is surfacing, treat it as urgent. That is a health issue, not an inconvenience — keep people and pets away from it and call.

If it is out of hours and getting worse, ring rather than book — Voyager runs a 24/7 line for Longueville and the rest of the Lower North Shore. More on emergency plumbing.

Keeping it clear in Longueville

Because pipe age varies so much here, a camera is worth having as information rather than as a response to a problem — it tells you what you actually own before it tells you what has failed.

Rainwater pouring from a roof gutter during heavy rain

Storm season finds every drain that was never quite right. Better to know before it rains.

What happens after you call

1

Tell us what’s blocked

Which fixture, how long, and whether anything is overflowing. That is usually enough to tell how urgent it is.

2

We clear the roots

A cutter or jetter takes the mass out and restores flow, usually the same visit.

3

We look at why

A camera down the cleared line shows whether this was a one-off or a pipe that will do it again.

4

You get told straight

Including when the answer is that nothing further is needed. A cleared drain with no fault is a perfectly good outcome.

Related Longueville services

A blocked drain is sometimes the symptom rather than the problem. These cover what comes next:

Blocked drains near Longueville

Voyager covers the whole Lower North Shore. These are the closest to Longueville:

Blocked drain questions — Longueville

Why does my drain keep blocking in Longueville?

Most often for one reason here: four housing eras on one peninsula, and not a single semi. Roots into an aged joint on a long private run down towards Tambourine Bay or Woodford Bay. What varies is the pipe — four housing eras on one peninsula means anything from Victorian earthenware to modern PVC, sometimes spliced on the same run. A drain that clears easily and blocks again within months is telling you the cause is still in the pipe — which is why we put a camera down a cleared line rather than leaving it at ‘it’s moving again’.

How quickly can you get to a blocked drain in Longueville?

Voyager runs a 24/7 line for Longueville and the rest of the Lower North Shore. If sewage is surfacing or a main line has stopped, say so when you call — that is what decides how fast someone needs to be there rather than the booking order.

What does it cost to clear a blocked drain in Longueville?

Across the Sydney market a simple blockage typically runs $150–$400, while cutting tree roots from a line runs $400–$1,200. Root jobs sit at the higher end because clearing the mass is only half of it — the joint it came through is the other half. Those are market ranges rather than Voyager’s price list. Run length and reinstatement on large established blocks, with no shared infrastructure anywhere to spread a cost across. There are no semis in Longueville at all, so there is never a second owner to split with. We price by the job, not the hour, and you approve the number before anything starts.

Will a drain cleaner from the supermarket fix it?

Rarely, and it can make things worse. Caustic product does not shift a root mass or a collapsed section, it sits in the line where it is a hazard to work on, and against an aged earthenware joint it does the pipe no favours. If a chemical has already gone down, tell us before anyone opens the line.

Do I need a camera inspection, or is clearing it enough?

If it is a genuine one-off — something went down that shouldn’t have — clearing it is the whole job. If the same line has blocked before, a camera is what tells you whether you are looking at an annual clear or a pipe that needs repairing. We would rather tell you it is fine than clear it twice.

Can tree roots be stopped from coming back in Longueville?

Cutting the roots restores flow but leaves the opening they came through, so they return — usually within a year or two. Relining seals the joints from inside, which removes the entry point without digging up whatever sits above the pipe. Because pipe age varies so much here, a camera is worth having as information rather than as a response to a problem — it tells you what you actually own before it tells you what has failed.

Could our drain be shared with a neighbour?

No. Longueville records no semi-detached dwellings at all — it is 98.8% separate houses — so party-wall drainage does not arise. Every private line serves one property. That simplifies responsibility considerably, but it also means there is nobody to share a repair cost with.

Do you clear stormwater drains in Longueville as well as sewer?

Yes, and telling them apart matters — they present similarly from the surface and are fixed completely differently. A drain that only misbehaves in heavy rain is usually stormwater or ingress rather than a blockage. A camera settles it in one visit.

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Get a blocked drain cleared in Longueville

Free quote, a fixed price agreed before the work starts, and someone on the end of the phone at any hour.

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Page reviewed and updated 20 August 2026