Don’t forget about lighting:
Lighting is an important factor in any design. Think about the mood you want to create in each area of the room and choose lighting options that can help you achieve it. For example, soft lighting may be more appropriate for a living room, while bright lighting may be necessary for a home office.
Natural light is always the best option for illuminating the space. Windows, skylights and glass doors are a great way to add natural light, so make sure you account for them in your floor plan. Don’t forget to include artificial lights, such as lamps or overhead fixtures, in your floor plan. Consider the placement of light switches and outlets before placing and arranging your furniture.