I don’t know tbh, I’m not an underwriter, but Can guess it’s due to the state of the economy at the moment.Chris Rock said "I pay insurance incase s##t happens, if s##t doesn't happen, shouldn't I get my money back"?
In all seriousness mate, and you'll probably not have the details, but how do insurance companies just decide what they fancy charging people when it's renewal time? Sometimes renewal quotes boarder on a p##s take. It's like they don't want a person's custom anymore.