Welcome to the site.
To be perfectly honest this is quite amazing and for a moment I thought Beadle was about to jump out from the Cag canteen.

Lets take it one step at a time so you are 32........nothing wrong with this I remember being 32 and feeling much younger......ahem (cough)
No one can be "Forced" into taking out a credit card app
unless they came around with the shotgun or tickets for the forthcoming Spice girls concert.......in which case you would probably submit
Joking aside......Experian have a duty to hold accurate info and you should question anything that isnt
unfortunately they are beginning to realise that our members know that their services are not statute law and that its purely a commercial organisation.
They will know your history from former address etc.
They collect that info in the main by date of birth and n ame
You have your work cut out here,but from what you say then things can be sorted in your favour.