3 hours later...
I have merged the files together, reduced the resolution of the scanner in order to meet these upload restrictions! Thankfully, the Headteachers report is not included in the 3 permitted files. That is uploaded in a separate section. My 3 files are as follows:
- Covering Letter
- Academic Evidence - associated appendices
- Extenuating Circumstances - associated appendices
There is a fields when uploading these documents and I have provided a breakdown of which appendices are included in each file.
I had little confidence in the Council responding to a chat request I sent this evening and even then, I wasn't sure how all the supplementary information entered as part of this submission would be provided when handing these forms in person...
I now have an email confirmation with the submission form and all the documents I have supplied

Thanks for all the help I have had on this forum. It's been invaluable and I really appreciate people offering up their time to help others. I hope this forum comes in use for others too and I will be sure to let you know how I get on.
Just two questions before I disappear into the silent night (for a while at least!):
1. The confirmation email suggests that we will hear back from the Council by mid-Feb. When does this tend to happen in practice?
2. How will they communicate their decision? Will it be via email of letter?