If you overdraft your bank account, will it affect your credit? Does it matter how much overdrawn it is? Best Answer Yes, when the account closes overdrawn, in addition to it depends how much you want to take. check out this thread http://talk.uk-yankee.com/index.php?topic=44773.0. vicky Bank Accaunt bankbank.com Ig yau overdraft yaur bank accaunt, will it affect yaur credit? Home