Monkeygrinder's Organ
Dodgy geezer swilling vapid lager
I first looked up Band H charge in Kensington and Chelsea after the Grenfell Fire, and I was shocked that people in those houses pay lower council tax than people in Band H in somewhere like Basildon.
Have a look at Wandsworth if you really want a shock.
It's not really surprising though - firstly there's a lot more posh houses in Kensington as noted, and also people in rich areas have a lot less need for the services council tax pays for. Which is why rebanding isn't going to make an enormous difference IMO - you can redraw the lines but as it's still a local tax paying for local services so it's the relative local bands that matter. If K&C suddenly discovers it has a load more top band houses then they'll just go 'great, we can push the cost down' while if Hull or Darlington or wherever suddenly have way more A banded houses they'll just push it up.