When I went to London my very first time to find accomodation we used the Loot paper but it had a problem, the best apartments usually were rent before 10 am so you have to be an early riser one. Then talking to people they recommend me this site:
and I discovered this other
http://london.craigslist.co.uk/
http://www.loot.com/property/flatshares-and-houseshares-in-london-up-to-80pw
Goog luck in your search





