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Home > All Articles > Space Saving > Caroma Toilet with Integrated Hand Basin

Caroma Water & Space-Saving Toilet with Integrated Hand Basin

When I first saw this toilet by Caroma, with its integrated hand basin, I was astonished by the simplicity of the idea. Why did it take more than a century to come up with something like this? I still can't decide if I find it brilliant or silly, but it's certainly original. What's also certain is that it saves you both water and space.

What's This? Why It's Clever

Some have to live with a very small bathroom where your knees almost touch the opposite wall or the door while you're on the toilet. That small that fixing a hand basin to a wall will almost force you to crawl underneath it to reach the toilet. Others have no sink in their bathrooms and have to sort out the plumbing work to install one. Sounds familiar? Then a solution such as this Caroma Profile might be for you. The hand basin is simply located on top of the tank. While it might not be the easiest position to wash your hands, at least it's not taking up an inch of extra space, and you no longer need to go to the kitchen or elsewhere to wash your hands.

What's more, since it doesn't require an extra water supply or a drain of its own, it doesn't need extra plumbing to install it.

Last but not least, it also saves you a lot of water, since the water that you use to wash your hands simply flows into the tank, being used a second time for the next toilet flush.

Have a look at the YouTube video to see how it works.

It's an Australian product, which makes sense given the droughts that they've had there the last few years. It's not a completely new invention, though – toilets like this have been common in Japan for years. Still, it can only be a good thing to reuse and export the idea.


  • Toilet with hand basin on top of the tank
  • Saves space in your bathroom
  • Saves water by reusing your hand-wash water for the next toilet flush
  • Install a sink in your bathroom without plumbing.


You'll probably have to look out for a soap that doesn't make the water look foamy when using the toilet afterwards, but this shouldn't be too difficult.

Another supplier of similar toilets is Royal Flush – also an Australian company, apparently.


Royal Flush Toilet with Hand Basin

There's a video on the Royal Flush website showing how it works.

And if you're on a tight budget, but more able with your hands, you might consider a do-it-yourself approach as described on Instructables.

Last, but not least, after publishing this article one of our readers pointed us to this retrofit toilet water-saving solution from SinkPositive.

Where to buy

You can check the availability of the Caroma Profile on the Caroma website or other websites for the respective manufacturers and countries.

 Other SPACE SAVING FURNITURE on Clever & Easy

Categories: space-saving, home organizing, do-it-yourself, simply original

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Comments (2)
  • Rob  - Retro alternative
    The Sink Positive makes ANY toilet into one of these.
  • Ibrahim Hublou  - Good idea but less perfect design?
    After watching the YouTube animation:
    How easy can it be to get access to the sink & how much water gets splashed around? Real-life use instead of showing an animation would have answered those questions.

    How does the system deals indeed with the soap and dirt from the washed hands: does it gets gradually clogged up; will there be after some use a dirty-soapy film on the toilet wall? Most likely, I would think.

    With Rules and Regulations being more strict on places like dental surgeries and public places in general I question if the use of recycled water will be allowed in those places by the health and safety authorities.

    A good idea but maybe not an ideal design unless used on board of a boat?

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Last Updated on Thursday, 17 March 2011 14:05