poor customer and no notifications for debit orders

i app**** a home loan with Nedbank in April ,It was approved and was happy but since then i have not heard anything from Nedbank, recently got an sms for a debit order, no communication from Nedbak that loan has been paid to the builders and that payment is due on a specific day. FNB has better service when it comes to treating customers fairly, they value their clients.i have spend hours on the phone being send from pillar to post without any explanation i was told my complain is not official and i must use hello peter.One of the managers said its not their problem the attorneys where supposed to call me. i will not be spending 25 years with a bank that does not care about treating customers fairly.