What is the setting for the novel? How have things changed?

The novel is set sometime in the future, in England, It would seem that chaos has set in, as there is rampant crime and armed militias roaming about in an attempt to protect the public. Music is described as being very strange, and it seems that milk spiked with shots of hallucinogenic drugs is the trendy drink of the day. The characters are dressed at the "height of fashion," with wigs, make-up, and bizarre clothing.