The FO won't talk to you or accept your complaint until you have a deadlock letter from your lender, or, if you complained and asked for a deadlock letter more than eight weeks ago.(posted 8079 days ago)The FO web site is; http://www.financial-ombudsman.org.uk/
These is a complaint form layout for the FO on the FO web site that you can print off as well.
Good Luck.