WINTER SALE - Buy 2 Garden Beds before 30 June 2025 and receive a 3rd for FREE!

Use Code: WINTER25 at check-out for the free garden bed to be added.

Rainwater Harvesting In Style

Easy to install, sustainable, recyclable and beautifully crafted

Designer Range

Browse Our Designer Range

Browse Our Full Range

Conserve water with our beautifully crafted rainwater harvesting tanks

Every Rainwater Harvesting Tank comes as a complete kit

The complete kit includes everything you need to get your Rainwater Harvesting Tank up and running. Included in the kit is a tap, downpipe diverter and even the drill bit! This makes D.I.Y installation easy.

Hear from our customers

★★★★★

First class service and a brilliant product. We are so pleased to be able to have a great looking water harvest vessel that captures rain water to use for the garden. There are so many types to choose from to suit the look and feel of your home. Highly recommended!" -Mandy

★★★★★

"Fabulous team at Designer Tanks Ltd. So easy to deal with. Happy to answer each and every question you wish to throw at them. Delivery was fast and easy. Actually, like the idea in purchasing another. Such beautiful rainwater tanks and look so stylish in our garden." -Trina

★★★★★

"The team at Designer Tanks are very professional with a personal touch. They have been very helpful and bring such an energy to sustainability and water conservation. They succeed at providing high quality materials and advice where needed." -Frances

Who are we?

Ingrid and Chloe are the dynamic duo behind Designer Tanks.

They have been close friends for many years and feel their differing skills complement each other nicely.

Blog Posts

The Growing Importance of Rainwater Harvesting

By Chloe Barrott on May 18, 2025

As New Zealand faces growing climate challenges and rising water demand, rainwater harvesting is becoming a smart, sustainable solution. This blog explores recent news, community initiatives, and award-winning innovations supporting rainwater use across Aotearoa. Learn how you can save money, reduce environmental impact, and contribute to a more resilient future, one tank at a time.

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The World's Water Supply

By Ingrid Cook on Jun 17, 2022

  I was listening to the radio the other day and I was amazed when I heard some statistics to do with the world's water supply. I have since had a wee look at this and thought I would share what I have learn...

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Tips on Saving Water Outside Your Home

By Ingrid Cook on Apr 19, 2022

         Washing your vehicles and pets Washing your vehicles and pets with a bucket of water instead of a hose will help save water. Washing your car or pet on the lawn will also have the added benefit of w...

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