Septic Tank Prices in Melbourne

6 services from $220 · Melbourne, Victoria

Septic Tank Prices in Melbourne

Prices include GST. Installation prices vary significantly with soil conditions, site access, tank size, and council requirements. Always obtain a site-specific quote from a licensed plumber or septic installer.

Filter by price range$220 – $22,000
$220$22,000
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Septic tank prices in Melbourne

Septic Tank Tips for Melbourne

Melbourne's outer eastern and Dandenong Ranges areas have many properties on septic — local councils require EPA-compliant systems and regular servicing

VIC Environment Protection Authority (EPA) regulations require AWTS systems to be serviced at least every 3 months — factor ongoing maintenance costs into any upgrade decision

Melbourne's variable rainfall means absorption trenches can become waterlogged in winter — have your system inspected annually before the wet season to prevent overloading

Key Services at a Glance — Melbourne

Pump-Out

$418

avg · $288$660

Septic tank pump-out

New Installation

$9,900

avg · $5,500$16,500

Complete septic system

AWTS / Treatment

$14,300

avg · $8,800$22,000

Aerated treatment system

Septic tank pump-out in Melbourne starts from $220. Pump-out services average $418 in Melbourne. Prices include GST. Installation prices vary significantly with soil conditions, site access, tank size, and council requirements. Always obtain a site-specific quote from a licensed plumber or septic installer.

Septic tank services in Melbourne include pump-outs, new installations, system replacements, septic to sewer conversions, compliance inspections, absorption trench repairs, aerated treatment system installations, and effluent pump replacements. New installations in Melbourne average $9,900.

A new septic system in Melbourne costs $5,500–$16,500, averaging $9,900. An aerated treatment system (AWTS) costs $8,800–$22,000. Prices include GST. Installation prices vary significantly with soil conditions, site access, tank size, and council requirements. Always obtain a site-specific quote from a licensed plumber or septic installer.

Check online reviews on Google and local trade directories. Verify the contractor holds a current plumber's licence and is licensed to handle liquid waste in your state or territory. For new installations, confirm the contractor is familiar with your local council's approval process. Get at least two quotes for major work. Ask about their experience with your soil type and any council-specific requirements in Melbourne.