it is staged.
The Certificate of Inspection will set out each stage of drawdown as you will discuss in detail with your Architect to ensure timely realistic stage payment amounts. The general stages of drawdown are floor level, wall plate, roof level, 1st & 2nd fixing, completion.
There are normally 5 stages and each stage will have to be certified by your Architect and the Certificate forwarded to the bank in order for them to release funds. As above the cost of each stage payment to be certified by your Architect is in the region of €110.