Had a very irritable discussions with some auditors couple of years back about this. As you have no award letter to evidence the SSG so you can’t disregard it, they said, I thought it was a joke but they were adamant.
Anyway, you have the details of your claim so look through the link below and it shows you eligibility and amounts (From £0.00 to £4221.00) depending on circumstances. So, if they qualify, you disregard the figure appropriate to their circumstances.
https://www.gov.uk/government/publications/student-finance-how-youre-assessed-and-paid/student-finance-how-youre-assessed-and-paid-2023-to-2024#assessing-how-much-student-finance-you-can-get
