Do you meet the standard academic requirements for Nottingham or Lancashire?
If not, do you have extenuating circumstances, and have you already discussed your situation with the admissions team?
If the answer to both questions is "no," then yes, you will likely need to resit. However, make sure to check which universities accept retakes, as not all of them do.
Universities technically have until 14 May 2025 (the official deadline) to respond. To avoid missing deadlines for resits, it’s wise to apply to retake now. You can always withdraw or choose not to sit the exam if you receive an unconditional offer.