A new pipe formed inside the old one, without opening the ground. On a property where the downstream capacity is not yours to change, it removes the part that is.
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On a lot of properties around here the honest diagnosis is split in two. There is what the line on your block is doing, and there is what happens once the water leaves it.
The second part is not yours. Water crossing the suburb passes the rail corridor at a small number of culverts and pits, and when that is at capacity a property downstream of it will back up whatever condition its own pipe is in.
The first part is entirely yours, and it is worth putting beyond doubt. A relined section has no joints for roots to enter and no cracks for ground to wash into, so it stops being a candidate. Whatever happens after that is genuinely somebody else's system.
That is a different argument from the usual one for relining, and it is the one that fits this ground. It is not that a liner solves flooding. It is that it takes your own pipework out of the question permanently.
We will not quote a liner off a description. What the footage shows decides whether relining is even the right answer.
A resin-saturated sleeve is drawn through the pipe you already have and cured hard in place, using the old pipe as the mould. What you finish with is a new continuous pipe inside the old one, bonded to it, with no joints along the lined length.
Nothing above ground is opened. The work goes in through an existing access point, which is why it suits a property where the run passes under a driveway, a path or seventy years of established garden.
The pipe repair itself is rarely what makes an excavation quote large. Cutting the surface, getting a machine to where the pipe actually runs, backfilling and then putting back what sat on top is where the money goes.
Reinstatement is also where excavation quotes go quiet. Digging a trench is a known cost; restoring a driveway or a mature garden bed to a standard the owner is happy with is not, and it is frequently the larger of the two numbers. Ask any quote what the reinstatement figure is and to what standard.
Roots almost never break into sound pipe. They find a joint that has already opened a fraction and follow the moisture in. Earthenware laid in short lengths has a joint every metre or so, and every one of them is a candidate.
Cutting roots out clears the line and leaves the opening they came through exactly as it was, which is why the same section blocks again. A continuous liner removes the entry rather than this season's roots, and that is the difference between a repair and an annual appointment.
The subdivision here dates from the late 1940s, so the drainage under most of these houses is old enough to have opened at the joints and young enough to still hold its shape. That combination is exactly what a liner is for.
It is also why relining comes up more often in this suburb than it would in a newer estate, where modern PVC has neither the joint spacing nor the age to have developed the same problem.
This matters here more than it does elsewhere and we would rather say it before you have paid for anything. A liner repairs the pipe it is installed in. It does nothing about capacity beyond your boundary.
If a property takes water only in the heaviest events and drains once the rain eases, lining a sound line will not change that by a minute. Anybody selling you a liner as a wet-weather fix on this side of the corridor is selling you something that cannot work.
A liner needs a host pipe that still has its shape. A cracked or root-opened section has one and lines beautifully. A section that has collapsed, deformed or dropped out of grade does not.
Lining a run that has lost its fall gives you a smooth pipe that still does not drain, and several thousand dollars of nothing. That is the single most important thing the camera establishes, and it is why we will not quote a liner from a description.
A lined section seals over the branches that join it, so those have to be reinstated. It is done from the inside once the resin has cured, cutting each junction back open to a clean edge.
Done properly that leaves a better entry than the one it replaced, because the original junction on a seventy-year-old line is frequently the roughest thing in the run and the place material was already catching. Done badly it leaves a lip, so it is worth asking how the reinstatement is cut and seeing the footage afterwards.
The two are rarely presented on the same basis, which makes them hard to judge side by side. Three questions put them on level terms.
First, does the excavation figure include reinstatement, and to what standard. A number that stops at backfill is not a number you can compare. Second, how is the machine getting to the pipe and what happens to whatever is in its way, because on an established block that is sometimes a larger exercise than the repair. Third, what is the design life of each: a liner is rated at around fifty years, and a patch of new pipe joined into old pipe either side inherits the condition of what it is joined to.
Then ask both parties for the footage the quote was built from. On this housing we will not price either option without it, and a quote given without looking is an estimate wearing a suit. If the honest answer turns out to be that a section has to be dug and replaced, that is what we will tell you, and we would rather say it from the recording than discover it with the ground already open.
Fixed price agreed before anything starts, off the footage rather than off a description. These are indicative 2026 ranges.
Credited against the work if you proceed, and the footage is yours either way.
Where one defect is doing all the damage and the rest of the run is sound.
Priced by the metre, so length and access are what move the number.
Occasionally needed, and quoted separately rather than folded in quietly.
Worth keeping with the house papers, because the next owner will ask.
We find the defect, mark its position and depth, and show you rather than describe it.
The line is cleaned back to the pipe wall, because a liner bonds to what is actually there.
The liner goes in through an existing access point and hardens in place into a continuous new wall.
So you can see the finished bore, and keep both sets of footage.
Ask for the footage first. On this ground it frequently changes the method and the number.
Call 1300 381 569A new pipe is formed inside the old one. A resin-saturated liner goes in through an existing access point, is cured in place, and hardens into a continuous wall with no joints. The old pipe becomes the mould and the ground above it is never opened.
Because the digging is nearly always the expensive part, not the pipe. On a block that sits low, opening the ground also means reinstating it, and that is the number that surprises people in an excavation quote.
Not on its own, and we would rather say so. If your line is clear and the constraint is downstream, a liner changes nothing about that. What it does is remove any defect on your side, so the only thing left is the part nobody controls.
Slightly, because the liner has a wall thickness. In a properly sized domestic drain that is not a practical problem, and the smooth continuous bore usually flows better than the damaged pipe it replaced.
Most that still hold their shape. A line that has collapsed or badly displaced may need a point repair first, and that is a question for the camera rather than a rule of thumb.
Most domestic sections are done inside a day, and the drainage is back in use once the liner has cured. There is no trench to backfill and nothing to reinstate afterwards.
A camera inspection and report is $250 to $450. A junction or short section repair is $800 to $2,000. A full relined run is $4,000 to $9,000 depending on length and access, and the footage before and after is included in all of it.
Tell us whether it has been filmed and whether you have the footage. If it has not, that is the first thing rather than a quote.
Priced off what the camera shows, with no trench and nothing to reinstate.
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