Minimum space between soil stack and WC?

5 Nov 2006
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United Kingdom

The past owner of our house moved the original bathroom to make way for an extra bedroom. We would like to reclaim that bedroom as a bathroom and we've come up with a design to divide it into the main bathroom and an ensuite.

For the ensuite the toilet will be positioned on an external wall with the soil stack (plastic) running directly behind it. Forgive the poor attempt at a diagram! The O is the soil stack, the I is the wall and the ]= is the wc.

OI ]=

Is this possible? i.e. the toilet waste will pretty much come directly out of the wc through the wall and into the soil stack. Is there enough room for flexibility here? And is it against any regs?

Thanks in advance

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Think it will be easier if your toilet is a couple of feet from the stack.

All it involves is some plastic pipework from the back of your wc to join the stack.

Plumbers merchant will tell you what you need to do the job if you explain it to them. :D

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