Where is the cartoon version of 101 Dalmatians set - London, Bath or York?

It is set in London. The animators and background artists studied London and got lot of inspiration by the whole setting there.Where is the cartoon version of 101 Dalmatians set - London, Bath or York?
LondonWhere is the cartoon version of 101 Dalmatians set - London, Bath or York?
I too, am trying to enter the Radio Times competition!! Thanks for asking the question. Now I can answer it.
I'm pretty sure it's set in London.
London!!!!!
Its London I think.
London! it's gotta be.