i have 2 charging orders against my house what would happen to these if i were to enter into an iva?

if in an iva would the monthly payments go up as a result of a drop in my interest on my mortgage

could you tell me where i can get info as to what expenditure would be allowed for myself and my wife should we enter into an iva

thinking of a iva but have a car hp agreement have had to sell car trying to keep up the payments foolishly what is the position on this

i have recently had a ccj against me with a repayment accepted what would happen to this if i were to go into a iva