Generations of Experience

Our team on the ground can offer expert solutions.

Custom Tailored Solutions

Experience the Freedom of maximized water storage and water when you want.

D.I.Y Kit is also available now.

10 Year Warranty Guarantee

Based on enduring customer satisfaction.

Gain Valuable Knowledge on Sustainable Water Management Practices

This book is about how I devised a unique water storage system with many innovations that is Agile, Safe & Tough as nature intended with the major recycled components available locally for ease of supply & to minimise transport, providing easy to implement sustainable solutions & insights for your water storage & irrigation to pool conversion fill ins & solving drainage concerns.

Key Takeaways From “Abundant Water Secrets, Heaven Sent”

  • Replicating a natural Aquafier on your land
  • How to capture, filter and recycle your rainwater
  • Master the art of maintaining topsoil moisture and improve drainage simultaneously utilising a previous lid for surface and recycled water collection
  • The breakthrough designed gravity overflow underground that equates to SIGNIFICANT Savings with Earth Lock Technology
  • Adapting to any natural or man-made cavity solving and repurposing an unwanted swimming pool with ease
  • A fully BAFFLED tough, agile and safe system for kids, pets, cars and trucks.
  • Out of Sight……Out of Mind – Tankless under a lush lawn, vegetable garden, paving, driveway and much more….
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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

Tankless unique design attains a gravity overflow outlet underground to the point of discharge that equates to significant savings & simplifies installation to make maintenance virtually redundant. Breakthrough water insights gain authority over your water storage & drainage. We specialize in capture, filter, drain & recycle water for drought & flooding rain.

Swimming pool

Previously unused or unwanted pools where a liability but now they're an asset. Fully enclosed the choice is yours. A new deck, lush lawn, vegetable patch, paving, new shed, granny flat, car park with a fully enclosed engineered tested & storage below. Great value with a 10-year warranted.

Expert Solutions for Any Requirement

With our new optional Landscape Gardener or DIY Easy-Kit you can build your own Water Oasis that's Out of site... Out of mind. Our back end team designs and supplies fittings, liners, filters, pumps & water storage coils from our supplier partners which offers a unique baffled tough, agile & safe system for kids, pets, cars & trucks.

Unlimited Surface

Lawn, Vegetable garden,Paving, Driveway, Synthetic sports surface, Decking, Indigenous garden with a frog pond. PS this surface is permeable so make the most of it!

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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

Watch Our Videos

At Tankless, we prioritize your satisfaction and strive to provide the best possible customer service. Our experienced team is always available to answer your questions and provide expert guidance to ensure that your tank or pool conversion project is a success. We offer competitive pricing and flexible payment options to meet your needs.

Don’t settle for less. Choose Tankless and experience the difference in quality and service.

Contact us today to learn more about our pool conversion services and how we can help you maximize the potential of your backyard.

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