THERE ARE TWO YOUTH HOSTELS, IN CENTRAL LONDON, VERY CLOSE TO THE VENUE OF THE MEETING,  OFFERING SHARED ACCOMODATIONS FOR A TENNER AND SINGLE ROOMS AT A VERY CHEAP RATE:

http://www.generatorhostels.com/london/mainlondonhostel.cfm

http://www.piccadillyhotel.net/

Also, you can check the Indian YMCA:

http://www.indianymca.org/

We are also investigating about possible students accomodation within UCL.