Top 10 Drainage
in Harrington Park, Sydney
TradeRefer lists 3 drainage businesses in Harrington Park with an average Google rating of 5.0★ across 227 reviews. The businesses below are ranked from highest to lowest rating — all ABN-checked and community-recommended.
Ranked #2026
By Google Rating
5.0★ Avg Rating
227 reviews
ABN Checked
ABN-checked
Top 3 Drainage in Harrington Park — Ranked by Rating
Sorted by public Google rating, highest first. All ABN-checked.
Exo Plumbing
Exo Plumbing is a top-rated drainage business serving Harrington Park, NSW. With a 5-star rating from 122 reviews, they are one of the most trusted drainage providers in the area. Specialising in professional drainage services, Exo Plumbing delivers quality workmanship and reliable service. Contact them today for a free quote.
Subterra Civil Pty Ltd
Subterra Civil are leading Civil Construction & Excavation Services. Specialising in Stormwater Drainage and Experts in Utilities, offering Plant & Labour Hire.
HPG Solutions
24/7 plumbers Sydney-wide. We provide plumbing services for residential, commercial, and industrial clients. Family-owned & operated.
How Much Do Drainage Cost in Harrington Park?
Based on New South Wales industry rates. Always get 2–3 written quotes.
Typical Range
$300–$2000
per job
After-Hours
$3000
Emergency callout
Avg Hourly
$1150
Harrington Park market
Estimates only. Always request a written quote before authorising work.
Drainage Licensing in New South Wales
In NSW, stormwater drainage connecting to council systems requires a licensed plumber registered with NSW Fair Trading. Subsoil drainage installation doesn't require a specific licence but work forming part of a building project is subject to contractor licence thresholds.
How to Choose the Best Drainage in Harrington Park
A checklist before hiring any drainage in Harrington Park, Sydney.
- 1
Verify their electrical licence is current at your state's electrical safety authority (e.g. Energy Safe Victoria, NSW Fair Trading).
- 2
Confirm they carry public liability insurance of at least $5 million — ask to see the certificate.
- 3
Get 2–3 written quotes for any job over $500. A written quote protects both parties and clarifies the full scope.
- 4
Check their Google and TradeRefer ratings — look for consistent reviews mentioning punctuality, clean workmanship, and clear communication.
- 5
Ask whether they'll provide a Certificate of Compliance (electrical safety certificate) on completion, as required by law in most states.
FAQs — Drainage in Harrington Park, Sydney
How much does drainage installation cost in Australia?
Subsoil (ag pipe) drainage installation costs $30–$80 per linear metre. Stormwater drainage systems cost $3,000–$15,000 depending on scope. A French drain for a typical yard costs $2,000–$6,000. Blocked drain clearing by a plumber costs $150–$500. Get multiple quotes as drainage projects vary greatly in scope and complexity.
What are the signs I need better drainage in my yard?
Standing water after rain that takes more than 24–48 hours to drain, soggy patches that never fully dry, water pooling near the house foundation, damp or water-stained interior walls, cracked or heaving concrete paths, and unexplained lawn die-off in patches are all signs of drainage problems requiring professional assessment.
What is the difference between subsoil drainage and surface drainage?
Surface drainage removes water visible on top of the ground using graded surfaces, channels, and grates. Subsoil drainage (ag pipe wrapped in geofabric, installed 300–600mm deep) collects water that has already entered the soil and redirects it to a drainage point. Most drainage problems require both surface and subsoil solutions working together.
What is a French drain?
A French drain is a gravel-filled trench with a perforated pipe that collects groundwater and channels it away from the problem area. The trench is lined with geofabric to prevent soil entering the pipe. They're very effective for soggy lawns, foundation moisture, and retaining wall drainage. They typically discharge to an absorption trench, pit, or street stormwater.
Do I need a licensed plumber for drainage work?
Stormwater drainage that connects to the public stormwater system (kerb, pit, or mains) must be done by a licensed plumber in all states. Subsoil drainage (ag pipe) that discharges to an absorption trench or existing drainage pit may not require a plumber. Internal sanitary drainage always requires a licensed plumber. Check with your local council.
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