Thinking about moving to london any advice?

ive got a degree in textiles design, would like to persue this, worked in retail for two years, would like a change of scenary and really focus on my-at the moment-non exsistant career?-want ot move to london but its all scary!-any advice on getting a job down there-good/cheap places to live?-finance!-i dont want to live like a student again!