Hi, my name is SBB! My housing association just ignored me in everywhere they not even come repair

I am disable single mum with three children age 10,9 and 3. We all live in small one bedroom flat. We all sleeping on the floor in the living room. I registered myself with council they band me for more than 2 years just because i disnt send child benefit letter. Now the put me me back for bidding syestem before they told me wait for max 3 years than we provide you place. But now is bidding’s system when i bid my position between 40 to 70. My housing association just ignored me in everywhere they not even come repair my things. I dont know what to do plz help me this flat its in the second floor no lift and so many stairs. I cant take my children out because of my disability and they dont have any space for even sleeping and playing we all have suffer. Plz plz someone help me.