What university can I pick based on my predicted grades and GCSEs?

Most unis and courses care little if anything about GCSE grades provided you have passes in English and maths.

Generally GCSEs are only a major consideration for Oxford (varies between courses somewhat), LSE (varies between courses a lot), and some medical schools (e.g. Cardiff - but plenty of others don't score GCSEs at all so effectively don't consider them; this likely also applies for dentistry/vet med but those courses don't get asked about as much so I'm not as familiar with them!). Many unis will consider them but holistically and in context and your A-level predictions and other aspects of the application are more likely to outweigh GCSE performance (e.g. Cambridge), or just required e.g. 5 A*-C grades including English and Maths or similar.

With A*A*A predicted, assuming you are taking all necessary subjects for what you want to apply to, you could reasonably apply just about anywhere, with only potential caveats of some exceptions noted above. It's hard to give more specific advice without knowing what you're applying to.

Thanks for this man, seriously. I don't really know my choices right now because I just got my new predicted grades today, so I've just been looking at unis. Earlier, I was looking at UCL for aspirational. What are my chances with UCL with my GCSEs?

Fine, if you meet the A-level requirements. I don't even think UCL routinely considers GCSEs except English and maths.

Alright. Thanks for your help and thanks for helping others like me. Appreciate you