Septic Tank Prices in Sydney

Septic tank pump-out in Sydney starts from $290. Pump-out services average $437 in Sydney. 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 Sydney 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 Sydney average $10,350.

A new septic system in Sydney costs $5,750–$17,250, averaging $10,350. An aerated treatment system (AWTS) costs $9,200–$23,000. 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 Sydney.