Rain Water Tank Melbourne

Tankless offers the ultimate solution for rainwater storage, our rain water tank in Melbourne presents a fully enclosed and filtered system that guarantees unparalleled security. This engineer-certified innovation ensures that not even your mischievous pet could find a way in. Its robust construction is trafficable, capable of withstanding the weight of cars and even occasional heavy vehicles. Unlike traditional rain water tanks in Melbourne, this groundbreaking system requires no cranes during installation and can be easily tailored to accommodate limited access. With Tankless, you can effortlessly water your garden, wash your car or boat, refill your pool, and connect it to your toilets and laundry. Embrace the satisfaction of using your very own water source while actively contributing to the preservation of this precious resource.

At Tankless we proudly offer the lowest profile underground rain water tank in Melbourne you can find, measuring just 650mm deep with its perforated coils. To guarantee convenience and security, the system includes a submersible pump, self-cleaning stormwater filter, and water level indicator, all enclosed within a lockable lid. You can choose from a range of sizes, including 2,000, 3,000, 5,000, and 10,000 litres. Alternatively, for larger-scale projects, Tankless offers unlimited size options through its civil install multi-stacking system. Regardless of your needs, we have the perfect capacity to suit your requirements toward a brand new rain water tank in Melbourne.

Our rain water tank in Melbourne at Tankless is not only suitable for residential use but also ideal for commercial installations. Its versatility and quality have been recognised and commended, earning us the top ratings on Google for underground water tanks. Customers who have had the privilege of experiencing Tankless for over a decade consistently praise its exceptional performance and durability. Speak to us today if you want us to tell you more about our rain water tanks in Melbourne.

Best Services

Services We’re Providing

Tankless is a fully enclosed & filtered system. Engineer certified – not even your pet could get in. Trafficable for cars & occasional heavy vehicles.

Underground Water

Replicates a natural Aquifer the load bearing design self-anchors in the ground allows for a higher gravity overflow setting unique to Tankless saving $$$. Modular system simply rolls into place. Pervious capped lid collects both storm & surface water. Easily modified to any shape.

Swimming pool

With our help, you can easily convert your swimming pool into a water storage system. Eliminates drainage & soil slipping ramifications. Excess water drains only to the storm water outlet.

Expert Solutions for Any Requirement

Our expert team designs, builds and supplies fittings, liners, filters, pumps & water storage coils which offers a versatile solution for any site.

Unlimited Surface

Lawn, Vegetable garden, Driveway, Synthetic sports surface, Decking, Indigenous garden with a frog pond. Water feature with a pond-less.

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Why Choose Us

Top Benefits of Choosing Tankless Underground Rainwater Storage Systems

Our experienced team are dedicated to providing excellent customer service and ensuring a seamless installation process.

  • Simple build process
  • Guaranteed build turnaround
  • Honest and dependable
  • Excellent staff administration

Innovative design game changer with gravity discharge when full & load bearing system reduces installation cost.


What Client Say

Tankless water tanks are a smart investment for any home. They provide eco-friendly solution, maximizing water catchment while saving space, energy, and money on your utility bills.

Great product and service. Hard to find experts that know the whole end to end process for building tank and linking it effectivel

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Anthony Jones Hawthorn

Tankless installed a 18,000 litre tank under my front lawn over 10 years ago. As an engineer, I checked out every aspect of the in

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Tony Carolan Brighton

Using the “Tankless” 50,000 litre underground catchment this summer has meant our garden, filled with camellias and roses, is

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Doreen Thomas Camberwell

Just had our Tankless underground tank serviced after 11 years of trouble free use, no issues and great customer communication. wo

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Mike Taylor East Malvern

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