Hi Squeaky, thanks for your reply. I suppose I'm just trying to save myself some time and having to unbox the pipework in the bathroom to get to the main pipe.
And then the waste length would be over the 3m branch limit - for 40mm pipe anyway. So not sure how to go about that.
Hi
I am in the middle of planning new plumbing into the conservatory where I'd like to put my washing machine.
The house has got switchback stairs with a downstairs WC underneath the taller part of the stairs. Under the rest of the stairs including the middle landing is just a waste of...