Transferring from a level 6 to a level 8

I picked Applied Biology in TU Tallaght last year through the vacant placements on the CAO and, to be honest, I dont mind the college, and ive made a tone of friends. however, the course isnt for me. I never applied to susi so I paid in full. no one in my family understands the issue that I have since most of them never continued to college and went straight to work so me in an IT turned University is a serious deal. my parents always tell me that I should have done an apprenticeship in the first place since the majority of my family work in the construction industry, including engineering. I don't want to do engineering. I always wanted to do something in Physics and Astronomy, but everyone thinks that ill struggle with this even though I am doing well in it, and is one of my top subject next to maths.

I want to transfer to Maynooth University and do Astrophysics there. The problem is my grades in the level 6 biology. I have to repeat exams in August and a transfer form is due by July. I spoken to my physics lecturer and he said that his son transferred from one course to another, but had to take on extra module in exchange for his failed grades from his previous course. I wonder if I can do the same, saving me from having to repeat the exams in August. Im worried that I wont get a place for another year and I dont want to go back and do Biology, which is one of my worst subject. I am job searching but the between my timetable, travelling and studying I simply am stuck for time. I live near Maynooth and it takes me an 1.5 hour to get to Tallaght. My parents dont understand the whole system and I always wanted a masters in Astrophysics, but the would just handwave me once I get a degree in a level 6 Higher Cert. I had a terrible time in secondary that costed me my place in Maynooth and now im doing the one thing I tried to avoid. What makes it worse for me is how I am treated by everyone from my family and school, since I have aspergers, im getting way too much praise for doing a level 6. I know others would prefer the progressive route, but if you were in my shoes and you tried putting in so much time into studying to avoid an extra year, youd understand.

Are there any other alternatives as to getting into Maynooth for next year. I don't want to sit another year in Biology, and im worried that once I do that, I get my higher cert and my parents will force me to get a job in an area that I dont like. And then after that I would be in my late 20's.