Plumbing issue - upstairs waste goes into my bath pipe!!

lookstraightahead

AdrianC said:

lad22 said:

AdrianC said:

It doesn't "go into your bath" - your bath simply empties into the same soil stack as their toilet. That soil stack is part of the fabric of the building, the freeholder's property, same as the incoming water feed is.

That's all situation normal.

They're above me, so their toilet empties into my bath waste (not my toilet waste, which is a separate pipe literally 2 metres away). Surely toilet waste should go in the same waste pipe as other toilet waste, not water from a bath?

Exactly. They're above you.

Your bath waste is going into the soil stack from their flat's bathroom. From their sink, shower, toilet, everything. And your toilet will join that same soil stack almost immediately.

Go and look on the outside of almost any house. You'll see the soil stack.

Big pipes are toilet, small pipes are sinks/showers. The only difference is that that main vertical big pipe is inside the building in your place, not outside.

It all goes into the same sewer...

Where can I get pipes with nice lanterns included?

greatcrested

lookstraightahead said:

AdrianC said:

lad22 said:

AdrianC said:

It doesn't "go into your bath" - your bath simply empties into the same soil stack as their toilet. That soil stack is part of the fabric of the building, the freeholder's property, same as the incoming water feed is.

That's all situation normal.

They're above me, so their toilet empties into my bath waste (not my toilet waste, which is a separate pipe literally 2 metres away). Surely toilet waste should go in the same waste pipe as other toilet waste, not water from a bath?

Exactly. They're above you.

Your bath waste is going into the soil stack from their flat's bathroom. From their sink, shower, toilet, everything. And your toilet will join that same soil stack almost immediately.

Go and look on the outside of almost any house. You'll see the soil stack.

Big pipes are toilet, small pipes are sinks/showers. The only difference is that that main vertical big pipe is inside the building in your place, not outside.

It all goes into the same sewer...

Where can I get pipes with nice lanterns included?

I think those are some kind of air freshner....

theoretica

Your bath and upstairs toilet go into the same drain.  The questions are whether that it an appropriate drain for this waste, whether any other existing drain would be better (for either toilet or bath) or if the drainage needs a major rethink.  As you are doing some work you want to ensure it is the best possible choice.