My younger sister is 21 and at uni.
She is so miserable and thinking of dropping out because of her housemates (well 2 of them, specifically).
It is a private rented house from an agency, so not uni accommodation.
Basically, one housemate one, lets call her Tessa, is very bossy and domineering. Has told dsis that she cannot (ever) have the heating on, cannot use this, cannot do that, must wash her clothes only on a cold wash, not take more then 10 minutes in the shower and writes notes if anyone leaves a lightbulb on for a few minutes?!
It is difficult for others to stand up to such a domineering person.
Her and another girl regularly bring drunk people to the house all the time (which is normal student behaviour tbh) but some of this girls' friends have been so loud and out of control the police have been called by neighbours.
She also invites people to sleep in the communal areas overnight without saying anything, so Dsis feels unable to go and use the kitchen early before uni/work.
Unfortunately, she is tied into a contract and can't get out of it.