No-dig pipe repair on the Lower North Shore.
Cracked or root-damaged pipe repaired in place in Putney — sealing the line against the ground rather than digging it out of it.
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Putney is a riverside peninsula on the northern bank of the Parramatta River where the blocks sit low, so the grade between house and connection is slight and the drainage works close to the water table. Trenching there means dewatering and support. A liner also gives a smooth continuous bore, which is the closest thing available to improving a gradient you cannot change.
A line with barely enough fall to clear itself on a low peninsula block, with the water table genuinely part of the picture on the lowest properties.
Because the ground here is the problem, and digging into it makes it worse. This is the part of a drainage repair people do not price until an excavator is already on site.
Established gardens on riverside blocks, with Kissing Point Park on the foreshore and party walls on 15.3% of the housing.
A liner goes in through an opening that already exists. Nothing above the pipe has to move.
A low peninsula on the Parramatta River, with minimal fall to the connection and tidal influence genuinely in play on the lowest blocks.
Putney sits in the City of Ryde, postcode 2112.
Local figures sourced from: ABS 2021 Census QuickStats — Putney
Older jointed earthenware under a long-established residential peninsula. The constraint here has never been the material — it is the gradient.
No trench, no spoil, and nothing above the pipe disturbed. The whole job runs through an existing access point.
The line is inspected end to end so the damage is located and measured. Nothing is quoted from the surface.
Roots are cut out and the pipe wall is jetted back to bare material — a liner will not bond to a coated pipe.
A resin-saturated liner is drawn into position through an existing access point and inflated against the host pipe.
The resin hardens in hours rather than days, forming a new pipe inside the old one with no joints for roots to re-enter.
Any branch lines are cut back open robotically, and a final camera pass confirms the result.
Not every damaged pipe should be relined, and we will say so. These are the cases where it genuinely wins here.
A smooth continuous bore is the practical substitute for grade.
Trenching means dewatering and support.
Nothing dug on either property.
Relining costs more per metre than excavation. It is usually cheaper overall, and this is why:
| Dig and replace | Relining | |
|---|---|---|
| Excavation | Trench the full length, remove and replace the pipe, backfill | None — the work runs through an existing access point |
| What comes up | Lawn, garden, paving, driveway or slab above the line | Nothing |
| Time on site | Days on a long or deep run | Usually one day for a typical run |
| Reinstatement | Priced separately and often the larger half of the bill | Not applicable |
| Result | New pipe, with joints | A jointless liner inside the host pipe |
| Design life | Depends on material and bedding | 50 years on a correctly installed liner |
The per-metre comparison is the one that misleads. Excavation quotes routinely exclude spoil removal and reinstatement, which is where a dig job gets expensive — and on some properties the reinstatement is simply not possible at any price.
These are typical ranges across the Sydney market — not Voyager’s price list, but a realistic yardstick to judge any quote against, including ours.
| Pipe relining, per lineal metre | $450 – $800 |
| Pipe relining, typical whole job | $4,000 – $10,000 |
| Patch repair, single damaged section | $1,500 – $3,000 |
| Junction reinstatement | $300 – $600 |
| Excavate and replace, per metre | $300 – $600 |
| Driveway reinstatement after a dig job, per sqm | $100 – $200 |
| CCTV drain inspection | $250 – $550 |
| Cutting tree roots from a line | $400 – $1,200 |
Voyager prices by the job, not by the hour, so the number you approve is the number you pay. A camera survey happens before any figure is given — a quote for relining that has not looked down the pipe is a guess.
Most Putney properties that ring about relining need a camera first. We will tell you straight — including when clearing the line is the whole job.
A correctly installed liner carries a 50-year design life, and it cures in hours rather than days — so the property is back in normal use the same week rather than the same month.
A smooth continuous bore is the practical substitute for a gradient you cannot change — the liner does not improve the fall, but it stops the pipe adding to the problem.
Roots come back through joints. A liner has none.
Voyager covers the whole Lower North Shore. These are the closest to Putney:
No. That is the whole point of it. The liner is drawn in through an existing access point — usually an inspection opening or shaft already on the property — and cured in place against the old pipe. It means no trench close to the water table on a low riverside block, and no established waterfront garden opened.
Across the Sydney market, relining runs about $450–$800 per lineal metre, with a typical whole job landing between $4,000 and $10,000 and a single-section patch around $1,500–$3,000. Those are market ranges rather than Voyager’s price list. Gradient, which limits the methods that work at all, and tidal influence near the water. Neither responds to digging harder.
Per metre, no — excavation is cheaper per metre. Overall it usually is. Excavating ground that is periodically saturated is slower, needs more support and backfills less predictably, and all of that is priced. On some properties the reinstatement is not possible at any price, which settles it entirely.
A correctly installed liner carries a 50-year design life. It outlasts what it replaced because it has no joints along its length — and joints are where roots get in, where ground movement opens a gap, and where old earthenware fails first. And because it is continuous, it keeps ground and storm water out along the whole run rather than at the point that failed.
A typical residential run is a single day on site, and the resin cures in hours rather than days. The camera survey happens first, either on the same visit or beforehand — nothing about a relining job should be quoted from the surface.
Most can, but not all — and we will say so rather than sell you something that will not work. A pipe that has collapsed completely, or lost so much of its shape that there is nothing left to line against, needs replacing. In Putney the host pipe is usually a good candidate: a line with barely enough fall to clear itself on a low peninsula block, with the water table genuinely part of the picture on the lowest properties.
It can help materially. Putney sits low on a peninsula in the Parramatta River, so the grade between house and connection is slight, and an old jointed pipe with a rough interior makes a marginal gradient worse. A liner gives a smooth continuous bore along the whole run — it does not change the fall, but it stops the pipe itself working against it.
Through that section, yes. Roots enter at joints and cracks; a liner is continuous and seals them, so the entry point is gone. Roots can still find a different fault further along an old line, which is why the survey covers the whole run rather than only the section that failed.
Camera survey first, a fixed price agreed before the work starts, and no excavation.
Voyager Plumbing · NSW Contractor Licence 476657C
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Page reviewed and updated 20 August 2026
