Panels should be selected together with the building envelope. Wall height, the number of gates and the roof shape change the quantity of material and details. Only against this background can cores and prices be sensibly compared. The investor does not have to calculate load-bearing capacity themselves, but should prepare clear requirements and know what scope they are paying for. Define what will happen inside the building. A workshop heated continuously requires different conditions from an unheated storage shelter. Moisture, chemicals and the expected temperature are important. Information about floor area alone is not enough to select a panel.

The cost of a panel garage depends on more than its floor area. You need to account for the walls, roof, door and structure. On a small plot, access and assembly space also matter. A good cost estimate starts with dimensions and how the garage will be used. Only then do you compare material prices. Start with the car, walkways and space for opening the doors. Add planned shelving and a work area. External dimensions are not usable dimensions. The structure, panels and flashings take up part of the space. Also check the entry height after allowing for the door mechanism.

A house made of panels requires more than just buying walls and a roof. You need foundations, structure, joinery, services and finishing. The panels must also meet the requirements for a residential building. Therefore, it is worth dividing the budget into clear scopes. This will allow you to see the cost of the enclosure without treating it as the price of a finished house. First, determine the usable floor area, the room layout and the finishing standard. Decide whether the price is to cover a weathertight shell, completed services or a ready-to-move-in interior. These stages do not have the same scope. The floor area on the plan alone does not explain the difference.