1500L Septic Tank — From $949 AUD
A reliable, compact septic tank designed for tiny homes, cabins, and small dwellings across Australia. Self-service pickup from our network.
Product Overview
The Bush Billabongs 1500L Septic Tank features a ribbed structural wall design engineered for strength when buried. Its compact footprint makes it ideal for small lots and tight builds, suitable for tiny homes, cabins, sheds, granny flats and secondary dwellings across Australia.
Technical Specifications
Capacity
1,500 Litres
Length
2,030 mm
Width
1,110 mm
Height
1,120 mm
Weight
61 kg
Material
Ribbed Polyethylene
Chambers
3
Suitable For
1–4 Bedroom Dwellings
Documentation
Download our guides to understand how septic tanks work and how to install yours.
Product Gallery
See our 1500L septic tank from every angle.
Quality Test Results
Every Bush Billabongs septic tank undergoes rigorous quality testing. Here are the verified results for our 1500L tank build.
Wall Thickness
Result: 5.3mm · Required: ≥5mm
Shock & Impact Resistance
Result: Passed
Watertightness (Full Water Test)
Result: Passed
Density
Result: 948 kg/m³ · Required: ≥930 kg/m³
Tensile Strength
Result: 23 MPa · Required: ≥20 MPa
Elongation at Break
Result: 367% · Required: ≥120%
Bending Modulus
Result: 810 MPa · Required: ≥700 MPa
Surface Finish
Result: Passed
Septic Tank Price
Our 1500L poly septic tank price starts at $949 AUD excluding GST. This is significantly less than the $1,200 to $2,500 typically charged by plumbing suppliers and hardware stores for a comparable small septic tank. We keep prices low through direct importing with no middlemen or showroom overheads. See the full septic tank cost breakdown for Australia for installer and council fees.
How to Order
Order online through our website, select your preferred pickup location, and collect your tank when notified. It's that simple. Have questions? Check our FAQ page or get in touch.
Important — Supply Only
Bush Billabongs supplies septic tanks only. We do not provide installation, excavation, plumbing or council approval services. Please ensure you engage a licensed plumber for installation and check your local council requirements before purchasing.
Need more capacity than 1500L?
Our 2500L three-chamber poly septic tank is sized for 4+ bedroom homes, larger families and acreage builds. Same proven design, more daily flow. From $1,790 AUD (exc GST).
Interested in This Tank?
Get in touch to check availability and pricing for your location.
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