Send a request to the relevant credit reference agency, together with details of all addresses at which you have lived over the last 6 years:
Experian Limited, Customer Support Centre, PO Box 9000, Nottingham, NG80 7WF Equifax Ltd., Customer Service Centre, PO Box 10036, Leicester, LE3 4FS
TransUnion International UK Limited, Consumer Services, PO Box 491, Leeds, LS3 1WZ
The above listed agencies will provide details of information relating to these addresses. If you believe that the information is incorrect, you can ask the agency to correct it.