the rules around bubbling are:
a single person can bubble with 1 other household, this bubble should not change and should remain the same throughout. However the are still supposed to follow social distancing rules, so they should be 2 metres apart.
you can also hve a childcare bubble, though thisshould just be for childcare andonly the child entering other peoples houses for the purpose of childcare.
parents of babies under 1 can also have a support bubble, to try and negate loneliness.
I personally don’t think the support bubbles should exist, except in the most genuine of circumstances, as it is pretty much a blue light for anyone to break the rules and have visitors around.
but what do I know, I’m just a nurse working my ass off every day, obeying lockdown rules
surrounded by Covidiots doing what they please on a daily basis