UK, Ireland / How can I get my Polish bank statement from abroad (UK)? [3]

Hi there , I live in UK with my mother . We have have joint bank account in Poland bank. I need bank account statment from bank. I try online banking but I can't get online I contact with bank and bank customer service they give me new passwords but nothing works at all. How I can get my bank statment abroad? Did they can send me by post in UK? I have my UK address on our account . Thanks