Create a Design for an existing drawing

I need a quick design ideas with more creative options to the attached layout design (this is just how i started) to an apartment in the 3rd floor with the roof.
- 3D with furniture dimensions (international standard)
- 4 bedroom
- 2 living rooms
- Dining room
- 4 toilets
- Kitchen
- Family room
- Laundry and washing room
- Stair to the roof
- Family room with a toilet in the roof
- Please feel free to optimize and distribute as to reflect the Arabic and Islamic style