diversity isn't really a factor as both oven and hob could well be on at same time.
cables should all be flush mounted within wall structure (preferably re-wirable)
you could get away with something along the lines of what you suggest provided you complete a ring circuit comprising 50A...
hello there,
i live in a top floor (four up) flat on top of a hill and as such my mains water pressure ain't too high. Having said that I do get enough to run a combi-boiler central heating system and to fair soak the kitchen if I turn the cold tap on too much!
the problem is the bathroom...