Hi adam
A "logbook" loan does not give valid security over the vehicle, and is only relevant if you decide to sell the vehicle which I assume you are not. Thomas Charles are right to treat this as an unsecured loan, and depending upon who they refer you to, your IP will be able to discuss this with you specifically.
If Storm is around tonight he may be able to give us more information on these increasingly popular loans.
Please don't worry about the loan company coming for your car. Legally they have no rights over it.
Regards, Melanie Giles, Insolvency Practitioner for over 20 years.
For further details contact me at
http://www.melaniegiles.com and view my IVA blog at:
http://melaniegiles.blogs.iva.co.uk