Thanks for the reply.
I have double-checked and I only ever received a link for a short diversity questionnaire. Literally 5 questions.
So maybe they aren't considering my application after all but just have not told me that. Below is the email and link:
"Hello,
Thank you for taking the time to apply for our
Trainee Train Driver role at Chiltern Railways (part of the Arriva Group)
Following on from reviewing your CV, we would like to invite you to complete the below questionnaire, to form additional information regarding your application.
The information will be attached to your initial application and used for screening by our recruitment team. It may also be discussed further in phone or video interview.
Please follow the below link to complete the application form, it should take you no longer than 15 minutes, and you can complete it via your computer, smartphone or tablet.
https://forms.office.com/r/y2N4AYLRim
You will have 5 days to complete this link before your application expires.
In addition, we at Arriva acknowledge the importance of our people's diverse experiences, talents and cultures. Embracing diversity and creating inclusion is a key component of our talent strategy."