junction

Hi, I'm new here. We're redoing our bathroom and would like to join toilet waste on one side of a branch, and a conjoined bath and basin on the other side. The regs say this is iffy with a non-swept junction. Would a swept junction like this work if we put a 50mm to 110m offset adapter like...

Bathroom being replaced/rearranged. Washing machine going in bathroom corner via new spur in hall, with upward sloping hole up to new spur backbox. Is it ok to Wago a junction in a 16mm blanked off galvanised backbox, to run a switched fused suppy for the towel rad off to the left (1000 height...