Unpaid Refund and Poor customer service

I have never seen a company that treat customers unfairly like this one, I have been waiting for my refund from my deposite i dont know for how long, I spoke to Dorothy the manager who work at Kingransom building in Johannesbug wonderus street and I ask her that I am handing over the appartment back, she told me that for her to give deposite I must give her full months notice and I did that, after a month when I do follow up on my money she is no longer answering my emails, the care takers there are very rude they always dont have answers and as a tenant you wont even know were to go to because they always show serious faces even at their offices, they have been not maintaining the appartment when you report they for ever coming and never do that until I give notice and they want to use their damages against me were as I find them like that and they fail to attend to. Signing lease with this company without assessing the unit that they are offering you is very dangerous because they will promise to come and fix while you are in and they will never come and once u have to move out they will turn to say the damage is yours. They are friendly before you pay deposite, pay deposite and sign lease you will see their true colours when you have to request them for maintenance of their unit when there is faulty. I am now forever waiting for Dorothy to refund my deposite and she is no longer answering my emails and she already put someone in the unit that i was in, I just dont know if is how they eat people's mone. When I search for accomodation and see the building managed by Mafadi I dont even look at it twice. I see ******** in my eyes.