Is your loan secured or unsecured? Sounds as though you could be with Northern Rock?
I suggest that you visit www.iva.com for a list of companies and reviews. Give one or two a ring and you will receive free and impartial advice as to all the options open to you.
Sharing from experiences of dealing with debt
The greatness of a man is not in how much wealth he acquires, but in his integrity and his ability to affect those around him positively.
Bob Marley. http://kallis3.blogs.iva.co.uk