running away- estrangement

hi,

i had a few questions about student finance and estrangement finance and would find it very helpful if anyone wirh a but if knowledge helped me out (: first some back story:

i’m a 17 year old muslim girl in year 13 and culturally my parents find it wrong for a girl to move out of home before they are married etc and so have always restricted me to universities in manchester and have even said if i must go to liverpool or anywhere fairly far i will have to commute everyday as i must stay at home. my first choice is manchester however i really do not want to stay at home. my dad is a very cultural and religious man who does not like me having any freedom, and i don’t have permission to even get the bus as i must be dropped off and picked up everywhere. my mum has recently found out i don’t follow a very religious path and has threatened to disown me and ban me from university all together, and my home has become very toxic so i have a plan to run away during summer to university accomodation. however of course i will only be able to provide their proof of income for the first year and after this, i will definitely be disowned once i move, so will not be able to provide any proof. i was wondering how much estrangement loans usually are? as my maintenance loan with parental income proof is around £8,000 and even this is not enough to cover costs ): i have been saving up my pocket money and finding a job has been very hard during corona so i don’t think i’ll have a lot of money saved before uni starts. and i plan on having a job during uni but dentistry is a challenging course and i feel it will be too challenging to work very often. so yeah does anybody know how estrangement works and if i sound like i’ll be eligible? or maybe anything manchester uni offers that could help me?? also a figure on how much estrangement student s usually get would help me greatly so i can plan how to budget my money etc. thank you!