modern boilers do not let any fumes back in the room. of course it needs to be regularly checked and have a carbon monoxide detector - landlords responsibility. but plenty of flats have them there.
used to go every year loved it, never had bad stuff happening all good. a festival in a square is not the same - didn't they try to move nhc a while ago. different sound systems as you go. oompah bands?! what ? no comparison.
I'm commenting not complaining. It will get passed. There's already something similar on choumert grove. edit to say nobody has made an objection on southwark website
use the Rotherhithe tunnel, right on exit up Burdett road cut through on right up Campbell road then right, past bow church dlr station left onto a12, then m11, m25,A1. yes its miles longer but its my fastest route so far.