No-dig pipe repair on the Lower North Shore.
Cracked or root-damaged pipe repaired in place in Berowra Waters — relining works from existing access points, which matters on blocks machinery cannot reach.
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Berowra Waters is 112 dwellings, all separate houses, on Berowra Creek at around seven metres above sea level with steep bushland on both banks. Access is by a free 24-hour punt with hairpin bends climbing away on either side. Bringing excavation plant here is a genuine exercise, and trenching close to the water table is its own discipline. A liner needs neither.
A line with barely enough fall to clear itself, working close to the water table at around seven metres above sea level. There is rarely a single dramatic cause.
Because getting machinery to the fault is the expensive part. This is the part of a drainage repair people do not price until an excavator is already on site.
Waterfront gardens on steep creek-side blocks, where anything excavated has to be carried down and the spoil carried back up to a punt.
A liner goes in through an opening that already exists. Nothing above the pipe has to move.
On Berowra Creek, a Hawkesbury tributary, at around seven metres above sea level with minimal fall and tidal influence genuinely in play.
Berowra Waters sits in the Hornsby Shire, postcode 2082.
Local figures sourced from: ABS 2021 Census QuickStats — Berowra Waters · Berowra Waters, New South Wales — Wikipedia
A small waterfront settlement rather than a subdivision, so housing and drainage vary property by property — but every line works close to the water with very little 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.
Plant and spoil both have to cross the creek.
Trenching there means dewatering and support.
A smooth continuous bore is the practical substitute for grade.
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 Berowra Waters 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.
On a site this hard to reach, a repair that does not need revisiting is worth considerably more than the difference in price.
Roots come back through joints. A liner has none.
Voyager covers the whole Lower North Shore. These are the closest to Berowra Waters:
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 nothing has to be barged or carried down a steep creek-side block, and no trench is cut close to the water table.
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. Getting here. The settlement is reached by a free 24-hour punt across Berowra Creek with hairpin bends on both approaches, so plant and spoil both have to cross the water.
Per metre, no — excavation is cheaper per metre. Overall it usually is. The dig figure rarely includes getting plant to the fault and spoil back out, which on constrained blocks is the bulk of the cost. 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. Which matters most where returning to the property is itself expensive.
A typical residential run is a single day on site, and the resin cures in hours rather than days. On a constrained block, getting equipment into position is the part worth planning; the installation itself is quick.
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 Berowra Waters the host pipe is usually a good candidate: a line with barely enough fall to clear itself, working close to the water table at around seven metres above sea level. There is rarely a single dramatic cause.
Yes — the free three-lane punt runs 24 hours, so access is a scheduling question rather than a barrier. What genuinely changes the method is the elevation: at around seven metres above sea level with minimal fall and tidal influence nearby, trenching means dewatering and support. A liner installed through an existing access point avoids all of that.
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
