It’s completely normal to feel overwhelmed and lost when things aren’t aligning the way you’d hoped. First of all, having completed an Access to HE course with great results is a significant achievement—you’re capable of success and growth. You’re not behind; everyone’s path looks different, and there’s no one timeline for these things.
Do what feels right for you, if going to university feels right, then go for it! It’s your journey so do whatever feels most fulfilling.