If the worst had come to the worst, at least 'Arry might have found useful employment at the Identity and Passport Office.
This response came back after chasing up a failed on-line passport application:
Thank you for your enquiry
If you have received no barcode number's after submitting the applications then they have not went through. If not then you will need to go to the post office and get a form from their.
Customer service e-mail team