BE BUILD IT CONSTRUCTION PROJECTS STOP NONSENSE

Good day i would like to report a company ive paid them the money to build a room for me first ive paid them the 60% deposit and then next they when they would start they phoned me and requestsed another R4000 to pay for the material so ive paid it and then they would have come to start and then they asked for another R2000 for the bricks and material to build the base so i was already suspicious but ive paid it so we can just get the job done today 2020/10/17 he said we need to pay now for them to deliver the material so they can start but it was never mentioned in the begining that we need to pay for the transport of material normally when you do a quote you put everything in quote they requested whole time for e wallet and not deposit. so now he keep on phoning us threatening us to pay else we will lose our money.

company name are BE BUILD IT CONSTRUCTION PROJECTS (BE BUILD IT STOP NONSENSE) 0810872234 0670528387 Mike thepavingboys1986@gmail.com pavingtar01@gmail.com

What can i do to further take this up and get my money back from this fraudsters.