You can use a floor plan of your house and drag&drop elements on top of it. This allows you to create a beautiful home design. To make this floor plan, we ourselves use following software:
If you after installing it google for sweethome3d furniture library, you get a wide choice of ready made additional items that you could add inside your house.
Once you have your floor plan ready, you can install the “floor plan “add-on from the Add-ons, go into “Dashboard” and start adding your floor.
Don’t forget to assign locations to your floor and press save after every step.