--- title: "Septic Tank FAQ | Bush Billabongs" description: "Got questions about our 1500L and 2500L poly septic tanks? Find answers about pricing, sizing, pickup, delivery and installation." lang: en json-ld: | [ { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Do you install septic tanks?", "acceptedAnswer": { "@type": "Answer", "text": "No. Bush Billabongs is a supply-only business. We sell septic tanks but do not provide installation, plumbing, excavation or approvals services. You will need to engage a licensed plumber for installation." } }, { "@type": "Question", "name": "How much does a 1500L septic tank cost?", "acceptedAnswer": { "@type": "Answer", "text": "Our 1500L septic tanks start from $949 AUD excluding GST. This is significantly less than typical retail prices of $1,200 to $2,500 from traditional plumbing suppliers." } }, { "@type": "Question", "name": "How much does the 2500L septic tank cost?", "acceptedAnswer": { "@type": "Answer", "text": "Our 2500L three-chamber poly septic tank starts from $1,790 AUD excluding GST. It's sized for larger family homes and multi-bedroom rural dwellings with higher daily wastewater flow." } }, { "@type": "Question", "name": "1500L vs 2500L — which size do I need?", "acceptedAnswer": { "@type": "Answer", "text": "The 1500L tank suits most 1–3 bedroom dwellings — tiny homes, granny flats, cabins and off-grid builds. The 2500L tank is sized for 4+ bedroom homes, larger family households and acreage builds with higher daily wastewater load. If you're unsure, our size calculator estimates the right tank based on bedrooms, occupants and water use." } }, { "@type": "Question", "name": "What size septic tank do I need for a tiny home?", "acceptedAnswer": { "@type": "Answer", "text": "A 1500L septic tank is suitable for most small dwellings with 1 to 2 bedrooms, including tiny homes, cabins, granny flats and sheds. Check with your local council for specific requirements in your area." } }, { "@type": "Question", "name": "Do I need council approval for a septic tank?", "acceptedAnswer": { "@type": "Answer", "text": "In most Australian council areas, yes. You will typically need approval before installing an onsite wastewater system. Requirements vary by council and state. We recommend checking with your local council before purchasing." } }, { "@type": "Question", "name": "Where can I pick up my septic tank?", "acceptedAnswer": { "@type": "Answer", "text": "We have pickup locations across New South Wales, with Queensland and Victoria locations coming soon. When you order online, you select your nearest pickup yard. We will email you collection details once your tank is ready." } }, { "@type": "Question", "name": "Can you deliver to my property?", "acceptedAnswer": { "@type": "Answer", "text": "Bush Billabongs operates a self-service pickup model. You collect your tank from one of our regional pickup yards. If you need freight to your door, contact us and we can advise on options, though additional freight charges may apply." } }, { "@type": "Question", "name": "Is the septic tank suitable for a granny flat?", "acceptedAnswer": { "@type": "Answer", "text": "Yes. Our 1500L septic tank is designed for small dwellings including granny flats, secondary dwellings, cabins and tiny homes. For larger multi-bedroom homes or acreage builds, our 2500L tank gives you the extra capacity. Always check local council requirements for your specific property." } }, { "@type": "Question", "name": "What is your return policy?", "acceptedAnswer": { "@type": "Answer", "text": "We do not offer change-of-mind returns due to the bulky nature of the product. If your tank is damaged or defective at the time of collection, we will arrange a replacement or refund. Full details are in our Return and Refund Policy." } }, { "@type": "Question", "name": "What vehicle do I need to collect a septic tank?", "acceptedAnswer": { "@type": "Answer", "text": "You will need a ute, trailer or truck capable of safely transporting a 1500L septic tank. Bring tie-down straps and your order confirmation. Most pickup yards have forklifts to assist with loading." } }, { "@type": "Question", "name": "Do you offer bulk pricing?", "acceptedAnswer": { "@type": "Answer", "text": "Yes. If you are a builder, developer or require multiple tanks, contact us at info@bushbillabongs.com.au to discuss volume pricing." } } ] }, { "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://bushbillabongs.com.au/" }, { "@type": "ListItem", "position": 2, "name": "FAQ", "item": "https://bushbillabongs.com.au/faq" } ] } ] --- [![Bush Billabongs logo — septic systems and rural solutions](/assets/logo-DxEVICWB.png)Bush Billabongs ](/) [Home](/)[How It Works](/how-our-tanks-work)[About](/about)[Reviews](/reviews)[FAQ](/faq)[Blog](/blog)[Guides](/guides)[Contact](/contact) Products Locations [Get a Quote](/contact) 1. [Home](/) 2. FAQ # Frequently Asked Questions Got questions about our [1500L and 2500L septic tanks](/products)? We've answered the most common ones below. If you can't find what you're looking for, feel free to [get in touch](/contact). ## Common Questions ### Do you install septic tanks? ### How much does a 1500L septic tank cost? ### How much does the 2500L septic tank cost? ### 1500L vs 2500L — which size do I need? ### What size septic tank do I need for a tiny home? ### Do I need council approval for a septic tank? ### Where can I pick up my septic tank? ### Can you deliver to my property? ### Is the septic tank suitable for a granny flat? ### What is your return policy? ### What vehicle do I need to collect a septic tank? ### Do you offer bulk pricing? Learn more about our [1500L](/product) or [2500L septic tank](/product/2500l-septic-tank), or see how [pickup and collection](/shipping-and-collection) works. Service areas: [NSW](/septic-tanks-nsw) · [QLD](/septic-tanks-qld) · [VIC](/septic-tanks-vic). Or [contact us](/contact) directly. ## Still Have Questions? We're happy to help. Send us an enquiry and we'll get back to you. [Contact Us](/contact) [![Bush Billabongs logo — septic systems and rural solutions](/assets/logo-DxEVICWB.png)](/) Supplying affordable poly septic tanks — 1500L for tiny homes and granny flats, 2500L for larger family homes and acreage builds. Pickup across NSW, QLD, and VIC. Products [All Septic Tanks](/products)[1500L Septic Tank — from $949](/product)[2500L Septic Tank — from $1,790](/product/2500l-septic-tank)[About Us](/about)[FAQ](/faq)[Blog](/blog)[Guides](/guides)[Partners](/partners)[Contact](/contact) Service Areas [New South Wales ](/septic-tanks-nsw)[Queensland ](/septic-tanks-qld)[Victoria ](/septic-tanks-vic) Contact [0468 462 047 ](tel:+61468462047)[WhatsApp us ](https://wa.me/61468462047)[info@bushbillabongs.com.au ](mailto:info@bushbillabongs.com.au) Policies [Terms and Conditions](/terms-and-conditions)[Privacy Policy](/privacy-policy)[Returns and Refunds](/return-and-refund-policy)[Shipping and Collection](/shipping-and-collection)[Disclaimer](/disclaimer) © 2026 Bush Billabongs. All rights reserved. ABN: 97 146 094 166 · Supply only. No installation services. Call now