The following set of documents may be used, as physical evidence to verify your identity
Only three are required to complete the evidence page summary;
Details of a UK Passport (system can accept expired passport up to 18 months)
Photo id Driving Licence (only issued by the DVLA)
Bank account with account number must have eight digits only.
Other forms of documents could be used:
Birth Certificates (Limited to only date range of 1994 - 2005)
Marriage Certificates (Limited to only date range of 1994 - 2005)
CCJ County Court Judgement, if you have one.