You need to get a Court order to obtain the information.
You need to do this by completing form N1:
Put the Defendant name down, but address as TBA.
You can then make an application for a third party disclosure order using form N244:
This is the cheapest way of doing it. Otherwise, it will cost you £308 to issue against the DVLA.
Once you get a Court order, DVLA will disclose the details.
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