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^^^^bro, how did you get a visa if you didnt have accommodation or money to survive there?! it shows that you got a visa through deceit (aka fraud). who would want to help a fraudster and get themselves involve in something ILLEGAL?!

you better get proper funds before leaving for the UK because you may not even enter the country, if you get there penniless.

if you have money then go to a cheap hotel for a few days until you can find proper accommodation. a room to rent in London (far from the center) wont cost much.