Had a reply from my online form I sent explaining the situation and got a useless copy and paste response of
I'm sorry to learn of the circumstances that have prompted you to contact us.
Only the registered keeper is entitled to know any information about their current vehicle, however this does not include any name and addresses of former keepers, unless reasonable cause is met.
On this occasion I can confirm that DVLA would not release any information to an independent third party.
Guidance on what constitutes reasonable cause is published online at
www.gov.uk/request-information-from-dvla.
If you require this to be looked into further, please write to the department directly at: