Main section is in a form of application that you asked for. On first screen you should choose between house or apartment. If you don't want to, because it is not too important, you can choose later.
Second screen is about moving from and moving to area. If you want, you can go back on first screen and now choose between house or apartment.
On third screen you can reserve your date, select how many rooms you have and you can choose how many square meters you have for moving.
On forth screen you should write your personal details. Without that company can not reach you.
Final screen gives you information about costs that is generated from all screens behind (number of rooms, square meters, address..)
On every screen, you have short text on the left side that will give you an explanation of what should be done to fill the boxes.
Header navigation links are on right side bellow scroll bar because of the rule of right hand side in UX.