Where can I find a list of host families in London ? I would like to spend 1 month in London to improve my language and try to find a job and I think it's the best way to be integrated and its cheaper than a hotel or hostel.

Here you can find some information about host family in London.
www.roomft.com/about_us.php?gclid=COTxn-7ykKMCFQiX2AodiUIXnw