Standard Bank Greed

I recently sold my property whereby I have a home loan with Standard Bank. I personally contacted Standard Bank on the day I accepted an offer being the 28th of May 2018. I know have been told that I need to pay a penalty due to the fact that it is a cash sale and the transfer is going through in two months. Why do I need to pay a penalty for doing nothing wrong and which is out of my control.

With the penalty fee charged this has pushed the total amount owing over the original loan amount being R850,000. I have paid my monthly premium every month on time for the approximate past 4 years. Over the past 4 years I have incurred in the region of R400,000 interest to Standard Bank yet I am paying back more than my original capital.

Transfer is expected on the 31st of July 2018. I have paid Standard Bank alot of interest payments and now an additional penalty.