Creating your own 3D-Model of a house is difficult, even more If you are only interested in do decoration stuff. Even you get a house as you wish, the next time you have to model something you have forgotten the best workflow.

Please create a Fast house designer.

Ask for basic data every one could get easy

• internal total dimensions of length, width and height (from floor to ceiling of the floor) of the house (ignoring rooms)
• count of floors over ground and underground
• (optional)roof

Auto generate a House based on that