Camera inspection: $300–$750
The first and non-negotiable step. Most operators credit it against the works if you proceed.
Relining turns a recurring drainage problem into a finished one. The joints that roots come through are sealed along the whole run, so there is no way back in, and nothing above the pipe gets disturbed to do it.
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.
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.
Bushland-edged blocks and mature gardens send roots deep into long sewer lines, making root blockages the top problem across St Ives.
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.
Root intrusion is not automatically a relining job. If the roots are fine and the pipe behind them is sound, a cut and jet with a maintenance interval can be the right call for years.
What moves it to relining is structural: an open joint you can see daylight through, a cracked barrel, or a run that has been cleared repeatedly at shortening intervals. Anyone quoting a liner without showing you the inside of the pipe is guessing, and you should ask for the footage.
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.
Relining is priced per metre and the honest comparison is never liner against nothing. It is liner against excavation plus everything above the pipe: the driveway, the paving, the garden, the trading days lost, the reinstatement.
On an open lawn with a shallow line, digging can genuinely be cheaper and we will say so. Under a driveway, a mature garden or a building, it rarely is.
A short patch, sometimes called a junction repair, seals one defect and is the proportionate answer when the rest of the run is sound and the ground is stable.
A full-length liner is right when the camera shows the same failure repeating along the run, which on an old clay line it usually does. Paying for a patch on a line with twenty tired joints is how people end up paying twice.
The first and non-negotiable step. Most operators credit it against the works if you proceed.
Domestic sewer across Sydney in 2026. Longer single runs sit at the lower end of it.
Seals one defect. Right where the rest of the run is sound and the ground is stable.
Length, diameter and how many branches need reinstating are what move the number inside that band.
Excavation is only half the cost. Replacing the driveway or garden above it is the other half.
Figures reflect the 2026 Sydney market rather than a quote. You get your own number once we have seen inside the pipe. 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.
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.
Straight answers on price, durability and when to dig instead.
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