"Chameleons, Xtasia, Townhouse (party nights only), Club F, Amour, Cupids, and a couple of the London ones which someone else will have to tell you."
Ty
Eurekas just off the M25/M20 in Kent has cabin accommodation.
Ourplace4fun near Alexandra Palace in North London has a few small hotels and self catering apartments close to it but not really walkable.
We have stayed fairly close and used Uber after.