Mafadi refuses to pay back my Deposit money

I moved in last year and did stay for the duration of my lease ,wanted to move out last dye to certain things that where not getting attention in the building eg leaking roof, loud banging window which was not properly installed,pllighg plugs and the mould that came on messing up with my curtain and bedding and left Mark's on them.so eventually I served my notice on 7th and could send the form through because I'm working from home and dindt have equipment to on the 8th o send through the form Dinel Masemola then said I cannot have my deposit back because the days dnt amount to the 20 days notice..when I completed the forks I was assisted by 1 of they colleague llcalled Keneilwe she even counted those days for me and said if I submit on the 7th it means I need to be out on the 2nd she said I must say 3rd on the form and I must be out by 12 pm I agreed .has been done now the whole ****** Mafadi crew refuses to pay me back my deposit telling me stupid stories about my days being 2 days short I mean why not take they 2 days from the money and give me the rest I have heard from a guy who used to work closely with them that they dnt give people they deposited money vele but that day light Robert especially with all the things I have struggled with in this building please help me get my money back from **********. I have email Dineo, Isaac,Lillian who I aaa advised shes Dineo superior but to no avail .I want my money back