There are many homestay accommodation websites available online. You could find several alternatives of affordable homestay in reliable websites where the host posts their ads mentioning facilities for International student accommodation. You could select the best homestay according to your choice and preference and then contact the host eventually.

Website: http://www.hostlondon.net/

Address: Host London Limited

3-5 Arcade Chambers

210/214 Eltham High Street

London

SE9 1BG