From what I hear the HAHC wants to change the current 90 day cooling off period to 5 years. This means that if "they", the HAHC, does not like you plans for renovation or new construction you have to wait 5 years to do what you planned to do. I guess you and your kids will all have to share that one bathroom until then! Well, maybe not, maybe they will approve your plans...the HAHC will let you know what is best.