Worst Service Provider Ever

I am beyond frustrated with Nedbank, they have failed me as customer. I have been with Nedbank Homeloans for over 10 years and the 1st time I lodge a claim I am being treated like this. Unfortunately due to bad weather that we had in my area in Jan 2020, I experience a part of my ceiling collapsing and hail damage. Nedbank came out to repair the ceiling however I am still waiting for feedback on the hail damage. From the 31st Jan 2020 when the claim was lodged I have experienced nothing but frustration. I have been made to miss work, the worst part is that I was told that an assessor would come to my house on the 24/02/2020 after numerous follow up's and I took a day off and no assessor came. Is that the service you render your customers? After the hail damage I am having roof leaks and my fear is that everytime it rains it gets worse. Nedbank doesn’t care about my wellbeing as their homeloan customer. I have received yet another call from Oescher Enterprises after I spoke to Nedbank this morning, and to show that they don’t listen to their customers they are asking me to miss work again on the 05/03/2020 so that I can wait for an assessor who failed to come out the 1st time as planned. They don’t have the decency to follow up or resolve this. They just want to frustrate me to a point where I carry out my own repair work and they get out of paying my claim. My house is getting damaged everytime there’s rain and I can’t do anything about it. Who is going to be held responsible for further damages due to this not being repaired on time? Please help get someone who can repair this. How am I being treated fairly as a customer?