North Shore · 2065

Blocked drains in Greenwich

For a blocked drain in Greenwich, identify whether the property is a house or unit, which fixtures or lots are affected and who controls the service access. A similar symptom can involve a private branch, shared line, private stormwater pipe or public network asset.

Local drain guidance

Blocked drain decisions in Greenwich

Greenwich had 2,128 occupied private dwellings in the 2021 Census. Separate houses accounted for 50.6% and flats or apartments for 43.8%; 909 occupied flats or apartments were in purpose-built blocks. The mix makes both private-yard and managed-building pathways credible without describing a specific address.

Lane Cove Council says owners maintain private stormwater drains and property-drainage pipes, even where part of that private system crosses council land. Sydney Water handles confirmed network wastewater faults, while strata responsibility depends on the pipe and lots served.

Help available
  • House-drain clearing through a confirmed outdoor access point
  • Unit and common-line triage with building or strata management
  • CCTV where repeat symptoms or responsibility require a fault position
  • Stormwater checks that distinguish private property drainage from council assets
Clear, inspect or repair

The next step depends on the evidence

  1. 01 · Clear

    Restore safe flow

    Clear the obstruction using a method suited to the accessible line and stop the immediate backup or overflow.

  2. 02 · Inspect

    Confirm the cause

    Use CCTV when the blockage repeats, the condition is uncertain or the fault position must be documented.

  3. 03 · Repair

    Fix a proven defect

    Recommend repair or relining only when the inspection, condition and blockage history support it.

Responsibility

Lane Cove Council, Sydney Water or the property owner?

The responsible party depends on the affected pipe and fault position. Private drains are generally managed by the property owner, public wastewater faults by Sydney Water, and public stormwater questions by Lane Cove Council.

Process and scope

What affects the work and price

  • Whether wastewater is actively overflowing or the drain is slow
  • The number of affected fixtures and where the nearest safe access is
  • Whether clearing is enough or CCTV and locating are needed
  • The pipe condition and repair evidence found after flow is restored
Local questions

Blocked drain FAQs for Greenwich

Is a Greenwich unit blockage automatically common property?

No. The pipe and lots it serves determine responsibility. A branch serving one lot may belong to that owner, while shared drainage may be common property. Confirm the affected fixtures and fault position before invasive work.

Does Lane Cove Council maintain private stormwater pipes?

Council’s guidance says the owner maintains private stormwater drains and pipes on private property, including property-drainage pipes on council land. Council maintains its own identified public stormwater infrastructure.

Do you claim an exact blocked-drain project in Greenwich?

No exact Greenwich project is claimed. Any Lane Cove or North Shore project is labelled with its recorded suburb and shown only as nearby or regional evidence.

Local drain help

Call about a blocked drain in Greenwich

Call for urgent help, or send the suburb, symptoms and access details for a practical next step.

Scott Johnstone clearing an outdoor drain line at a Sydney home
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