

Reiterating what others have said about talking to an attorney. Most will consult with you for free and you’ll know if you have a case.
Anecdote: my brother is an attorney and I got really sick, spent a month hospitalized and when I got out had to move back to my parents house because I needed help day to day while I got better.
My brother broke my lease on my apartment using ADA rules (I’m in the US) but they tried to keep my deposit for normal wear and tear items.
All it took was a letter to the corporate office on his firm’s legal letterhead, with the relevant statutes that said they couldn’t keep my deposit for the items they listed, and a reminder that if we sued and won they’d owe me double in damages plus all costs and his fee.
Not my state. Here you’re entitled to return of the deposit plus damages up to the amount of the deposit (so double, basically).