When we introduce the toilets to our visitors, we often have various ways of describing it:
The World’s Smallest Toilet, Where one can Bathe/Shit/Pee & Brush Teeth at the same time, and my favourite – the Self-Cleaning Toilet.
In old HDB 3-Room flats, there is a bathroom for shower and a separate bathroom for the WC (see post to see what it looked like). But we were very determined that we wanted to create to have 2 separate toilets – one common toilet and one ensuite toilet to the Master Bedroom. Our discussions with potential IDs often revolved around this and the IDs who vehemently opposed to the idea were naturally eliminated from our shortlist. We knew that it was possible as another flat in the same block did it, so we knew we had to do it.
Our main barrier was: Is it physically possible? Taking into consideration the current arrangement with the wastepipes, pipes for toiletbowls etc etc.
How we overcame it would be too technical and non-relevant to the most of you out there. BUT considering the the endless discussions with the ID/plumber and the tiring scouring for a suitable WC with a L-shaped pipe and toilet bowl with a tap at the cistern plus rust-resistant toilet fittings and how to place them in the toilet, we feel that our world’s smallest toilet well deserves a post on its own.
Our ONLY regret:
We didn’t know that the default waste traps in the contract are the white plastic type [which doesnt really go nicely with the industrial look]. However, it is installed very early when the tiler laid the floor tiles. And the only way to reverse it is to hack away the floor tiles and re-tile everything again. So please please check with your ID what waste traps he is giving you before tiling starts.
Jumbo Bnb 
Hi there! Do you have pictures of what it looked like before? I have the same old 3-room HDB layout with separated WC & shower. I’d like to combine but contractors said not possible due to the H-shaped pipes (waste and air pipes) that cannot be re-routed. Did you re-route the old pipes?
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Hi, no we didnt reroute the old pipes. I’ll send you some pictures of what it looked like.
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Hi, Thanks for the nice post. We used to want to do the same back to year 2008 when we bought our HDB like yours but the contractor said impossible to get the approval from HDB. Is that possible you can share with me any contractor that I can contact to do this too? Thank you.
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