On 17/03/2019 09:22, Kevin H wrote:
New kitchen planning underway. Looks like we're going to replace a gas hob with an induction hob requiring a 32A connection back to the CU (photo he https://goo.gl/CGJfg3)

Not what you asked and i've not read the whole thread but there are 13A
'intelligent' induction hobs which will throttle zones where necessary.

I can't imagine this would be a problem at most times, I can't recall
ever caning all four zones simultaneously.