Camera inspection: $300–$750
The first and non-negotiable step. Most operators credit it against the works if you proceed.
No-Dig Drain Repair
No-Dig Drain
Repairs In
Kensington
A cracked or root-damaged drain does not have to mean a trench through the garden. A resin liner is cured inside the existing pipe from an access point you already have, sealing every joint along the run, and the surface above is never touched.
- Licence 368473C, fully insured
- CCTV survey before any quote
- Nothing dug up, nothing reinstated
Why No-Dig Suits The Drains In Kensington
The failure that brings most people here is not a broken pipe. It is a joint. Older drainage is laid in short lengths, so a single run has a great many joints, and after decades of ground movement and root pressure they open a fraction at a time until something backs up.
A liner seals all of them in one pass, which is why it changes the pattern rather than resetting it. Cutting roots out clears the pipe and leaves the way in exactly as it was, and the interval to the next blockage is set by how fast they grow back.
Doing the work without emptying the building
The reason excavation is painful in an apartment block is access. A line under a slab, a car park or a common courtyard means noise, disruption and lots that cannot use their bathrooms while it happens.
A liner installed from an existing access avoids nearly all of that. What still needs planning is the water shutdown, and buildings usually require notice for it, so the schedule matters as much as the method.
Layers of previous work, and what the camera finds
An older house is rarely on one generation of drainage. It is on three or four, joined wherever a bathroom moved or an extension went on, and the transitions between materials are where most faults sit.
A camera run on a property like this is genuinely diagnostic rather than a formality. It is common to find a sound original clay run, a poor 1970s junction, and a modern PVC section all on the same line, each needing a different answer.
Roots in the line, and why relining ends it
The mature figs and paperbarks along Anzac Parade and the side streets have aggressive, water-seeking roots that reach well into private sewer lines through any joint that has opened.
Cutting roots out clears the pipe and does nothing about the way in. The joint they came through is still open, the tree is still looking for water, and the interval before the next blockage is set by how fast it grows back. That is why a jetted line often reblocks on a schedule you could almost diary.
A liner seals the full run, joints included, so there is no opening left to find. It is the one intervention that changes the pattern instead of resetting the clock.
The stain that appears two floors down
Water tracks along beams and slab falls, so the lot reporting the damage is often nowhere near the lot with the fault. Opening ceilings on a guess is how a small repair becomes three angry owners.
Camera and non-destructive location come first for exactly that reason. Once the defect is located and measured from a known point, the repair is a defined job and the liner goes in without exploratory demolition.
Conservation areas and what is actually restricted
A listing does not stop you repairing a drain. What it restricts is change that is visible or that disturbs significant fabric, which is precisely what a trenchless repair avoids.
In practice that makes relining the path of least resistance on a listed or conservation-area property: nothing is removed, nothing changes above ground, and there is no reinstatement to get approved.
Keeping the tree and fixing the drain
Removing a mature tree is expensive, often needs approval, and frequently does not solve it: the roots already inside the pipe do not leave when the trunk does, and the joint is still open for the next one.
Relining lets both things be true at once. The garden stays as it is and the drain stops being a route to water. For most owners that is the whole appeal, and it is why no-dig gets specified on established blocks far more often than on new ones.
Whose pipe is it before anyone quotes
Kensington (postcode 2033) sits along Anzac Parade between Randwick Racecourse and Kingsford, with UNSW on its doorstep and Daceyville to the west. Federation and interwar semis, a heavy student rental population and newer apartment infill mean original single-dwelling drainage is carrying far more than it was ever designed to.
In a strata building the line between lot property and common property decides who pays, and it is worth settling before a quote rather than after. A branch serving your lot alone is generally yours; the stack it joins and anything in common property generally is not.
Relining changes the arithmetic here because it is usually cheaper than the alternative for a shared line, and because it can be done without opening ceilings in the lots below the fault. That tends to make the approval conversation shorter.
What it costs in Kensington
Per metre for a liner, $500–$900
Domestic sewer across Sydney in 2026. Longer single runs sit at the lower end of it.
A junction or patch repair, $1,500–$4,000
Seals one defect. Right where the rest of the run is sound and the ground is stable.
A whole domestic line, $6,000–$15,000
Length, diameter and how many branches need reinstating are what move the number inside that band.
Digging it up, from $2,500 plus making good
Excavation is only half the cost. Replacing the driveway or garden above it is the other half.
Indicative Sydney ranges for 2026. Your job is quoted in writing after the camera survey. Figures here are indicative of the 2026 Sydney market rather than a quote from us, you get your own number as a fixed price before any work starts.
What Actually Happens
Step 01
Step 01
Camera The Line
A CCTV survey establishes the material, the diameter, where the defects are and how far they sit from the access. You see the footage, and it is what the quote is built from.
Step 02
Agree The Method
Patch or full length, and occasionally excavation instead. We will tell you when digging is the better answer even though it is the bigger quote.
Step 03
Clean, Line And Cure
The run is jetted so the liner bonds to pipe rather than debris, the liner is installed through the existing access, and it cures in place. Most domestic jobs are a single day.
Step 04
Reinstate And Re-Camera
Every branch the liner passed is reopened from inside, then the run is cameraed again so you can see it is continuous and the junctions are clear.
Rather Talk It Through First?
Send it through and we will come back with what it is likely to be, what the survey costs, and whether relining is even the right conversation.
Relining, Answered Properly
Straight answers on price, durability and when to dig instead.
It depends on the policy and, more importantly, on the cause. Gradual deterioration and tree root intrusion are commonly excluded, while sudden accidental damage is often covered. That distinction is settled on evidence, which is why dated camera footage showing the defect and its position is worth keeping even if you never claim. It cannot be reconstructed after the repair.
Relining is priced per metre and the range across Sydney in 2026 is roughly $500 to $900 a metre for a domestic sewer, with junction reinstatement and access usually quoted separately. A short patch repair over a single defect commonly lands between $1,500 and $4,000, and a full-length domestic run more often sits between $6,000 and $15,000. The honest comparison is not liner against nothing: it is liner against excavation plus reinstating whatever sits on top of the pipe.
Cured-in-place liners are generally rated at around fifty years, comparable to a new pipe and usually longer than the remaining life of the earthenware they are installed into. The reason the figure is that high is structural rather than promotional: a liner has no joints along its length, and joints are what fail. Most warranties on the workmanship run considerably shorter than the rated life of the material, so ask what you are actually being given.
Generally it turns on whether the pipework serves your lot alone or more than one. A branch inside your walls feeding only your bathroom is usually yours; the stack it joins and anything in common property usually is not. Settle it before the quote. Relining often makes the conversation easier because it is cheaper than the alternative for a shared line and needs no ceilings opened.
No, that is the point of the method. The liner is drawn through an existing inspection opening and cured in place, so tessellated verandah tiles, original paving and a mature garden are never disturbed. On a period property the reinstatement is almost always more expensive than the pipe repair underneath it.
Yes, along the relined length. Roots do not attack sound pipe, they find a way in through an open joint or crack, and a liner is continuous with no joints for them to exploit. Cutting roots out clears the pipe but leaves the entry point exactly as it was, which is why jetted lines tend to reblock on a predictable interval.
Only the affected line, and usually only for part of a day. What needs planning is the notice: most buildings require it before a riser is isolated, so the schedule matters as much as the method. Turning up and shutting water off to a line of lots unannounced is how a straightforward repair becomes a building-wide complaint.
Talk To A Relining Specialist In Kensington
Call for the fastest answer, or send the form and we will arrange a camera survey before anything is quoted.
