Thank you both. Can I just use the main svp, the one where the downstairs WC, drains into to connect all remaining waste appliances? It will mean this svp has 2 kitchen, 2 toilets and 2 bathrooms connected to it.
Hello everyone. I am working on a side extension and a loft conversion of a bungalow. The exisiting waste appliances were going into 2 gullies (bathroom and kitchen) and soil vent pipe (WC), and then all feeding into a manhole. All this is now under the side extension. I would like to keep the...