Change of address.. premium hike!!!

worst decision of my life to have one of my vehicles ensured here! on changing of my address to a more secured location i had to find out that suddenly my premium has gone up with nearly R400!! this is totally unacceptable!! I would have received a call back spoke to 2 senior advisors .. and other advisors.. no one called me back.. what do I get an automated sms saying we cant get hold of you your situation stays unchanged!! this is ******* I will be cancelling all my insurance with OUTsurance!! Buch of ******s they kept on saying will call me back and have this matter sorted out!! what did they do unauthorized debit order loaded just took my money and no call back! they did not even tell me that a debit order for the difference will be going off!