You must include all relevant ID.
Biometric Residence Permit
National ID Card
Make sure your scan is clear, straight, includes all the information.
Passport scans must show all stamped pages.
BRP's must include the front and the back.
The same rules apply for official certificates, such as birth or wedding certificates.
Make sure all of the information is clear, and to include both sides.
Passports must have a copy of the photograph identification page.
Include all pages of your passport that have travel stamps
BIOMETRIC RESIDENCE PERMIT
Include both the front and the back of the card