Hi Pepito Pérez,
I picked up a few webs with accommodation info on the net, hope it helps your search.
http://www.shortstayuk.com/crew-share-index.htm
http://www.gatwickcrewaccommodation.com/index.htm
http://www.crewshare.co.uk/apartment.html
Good luck to all of you starting at LGW SF.
I'm still waiting in the hold pool for LHR EF course.
Regards
DAWN