• If you are a UK passport holder, your passport number entered on the application form. You do not need to submit the actual passport.
• Signed valid passport of any other nationality.
• Driving licence photocard if it was issued by the DVLA in Great Britain. 
• UK original birth certificate issued within 12 months of birth
• UK biometric residence permit card

If you have been asked to take Group B documents to the post office they must be from this list and they must show your current address.

• Valid UK firearms licence with photo.
• Current UK driving licence – paper version (not the paper counterpart to a photocard).
• P45 statement of income for tax purposes on leaving a job issued in the last 12 months.
• P60 annual statement of income for tax purposes issued in the last 12 months.
• Bank or building society statement issued to your current address, less than three months old. You can use more than one statement as long as each is issued by a different bank or building society.
• Mortgage statement issued in the last 12 months.
• Utility bill (gas, electric, telephone, water, satellite, cable) issued to your current address within the last three months. You can only submit one utility bill in support of your application.
• Pension, endowment or ISA statement issued in last 12 months.
• Letter from H.M. Revenue & Customs, Department of Work and Pensions, employment service, or local authority issued within the last three months. You can submit more than one letter as long as each is issued by a different Government department or a different local authority.
• A credit card statement sent to your current address within the last three months. You can submit more than one statement as long as each is issued by a different issuer.
• Council Tax statement issued in the last 12 months.

• Valid EU photo ID card.
• Driving licence photocard (without a paper counterpart) issued by the DVA in Northern Ireland.
• Marriage certificate or Civil Partnership certificate, with translation if not in English.
• UK birth certificate issued more than 12 months after date of birth, but not a photocopy.
• Non-UK birth certificate, with translation if not in English.
• UK adoption certificate