We need to see that you have the Right to Work in the United Kingdom, so you will need to bring one of the following to your interview: Passport, Birth/Adoption Certificate or your Biometric Residence Permit.
For the enhanced DBS check, we will need to see: Passport, Birth/Adoption Certificate or Marriage Certificate; a bank statement or utility bill that is less than three months old (not a mobile phone bill); a council tax statement (less than 12 months old); your latest P45/P60 or a benefits statement (again, less than 12 months old) and a valid full/provisional driving licence photocard ID you’re your current address on it.