Looking to cut down your water bills and live more sustainably? Installing a rainwater tank is one of the smartest ways to capture and reuse rainwater around your home. Whether you want to water your garden, wash your car, or supply water to your laundry and toilets — a properly installed system can make a huge difference.
At On The Flow Services, we provide professional rainwater tank installation services in Sydney, offering tailored solutions for homes and businesses. Our licensed Sydney plumbers ensure your tank is installed safely, efficiently, and in full compliance with local council regulations.
We’ve been proudly serving Sydney and surrounding Sydney suburbs since 2021, helping property owners make smart, eco-friendly water choices. Whether you’re installing a brand-new system or upgrading an existing setup, we’ll make the process simple and stress-free.
Here’s why locals trust us:
We’re dedicated to helping you make the most of every drop of rain.
We offer a complete range of rainwater tank plumbing and installation services in Sydney, including:
Our plumbers work with all major tank types — including polyethylene, steel, concrete, and slimline models — ensuring the right fit for your property and needs.
Installing a rainwater tank offers long-term benefits for both your household and the environment:
✅ Reduce your mains water usage and utility bills
✅ Conserve natural resources and support sustainability
✅ Use rainwater for gardens, washing, and household chores
✅ Increase property value and appeal
✅ Prepare your home for drought or water restrictions
A well-designed rainwater system pays for itself over time — and we’ll help you maximise its value.
Our process is designed for efficiency, safety, and compliance — so you can enjoy hassle-free rainwater collection for years to come.
Already have a rainwater tank that’s leaking, blocked, or not performing as it should? Our team also provides rainwater tank repair and maintenance services to keep your system in top shape. We can clean filters, reseal joints, and inspect for damage to extend the lifespan of your investment.
Start saving water and money with On The Flow Services, your trusted local experts for rainwater tank installation services in Sydney. From design to installation and maintenance, we’ll make sure your system is built to last and perform efficiently.
Our customers trust us because we prioritize their needs and deliver results that exceed expectations. Here’s why we’ve earned their confidence:
Proven Track Record
Commitment to Quality
Transparent Communication
Safety First
Our customers trust us because we prioritize their needs and deliver results that exceed expectations. Here’s why we’ve earned their confidence:
Proven Track Record
Commitment to Quality
Transparent Communication
Safety First
Testimonials
FAQs
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Are you available for emergency plumbing issues?
We offer a full range of services, including leak detection, drain cleaning, water heater installation, sewer line repair, pipe replacement, and emergency plumbing services.
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How much does your services cost?
Our pricing depends on the service required. We offer free estimates to provide accurate costs for your specific plumbing needs. Contact us for details!
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What plumbing services do you offer?
We provide a wide range of plumbing services, including leak repairs, drain cleaning, pipe installations, water heater maintenance, and more.
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Do you offer guarantees on your work?
Yes, we stand by our work! All services come with a guarantee to ensure your satisfaction and peace of mind.
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How do I know if I need to replace my water heater?
If your water heater is over 10-15 years old, leaking, making noises, or not heating properly, it may need replacement. Call us for an inspection!