At the same time, Halifax has also started to allow its customers to upload a selfie as photographic proof of ID.
The option is available specifically to joint account holders who are looking to borrow more funds. Halifax said the move was on the back of allowing Bank of Scotland customers to upload a selfie to open a bank account.
For Nationwide customers submitting photos of the original form of identification, the lender will require the quality of the photo to be legible and capture the whole document.
Brokers can scan and attach the photo to the application as PDF or TIF file formats. Nationwide will not accept JPEGs and documents must be under 3MB in size.
If a photo proof is more than one page, brokers will need to upload it as one attachment, Nationwide said.