Ideas for 101 solutions

1. Coffee table that is flexible to move and packs hidden storage.
2. Armless or slender armed sofas (Makes space for multiple seating)
3. Choosing furnitures that can do double duty
4. Using artworks to add big style
5. Stick with the same colors (Subtle tone-on-tone patterns add interest to draperies without making space feel busy)
6. Choosing clear furniture and accessories that do not visually take up space
7. Transform built-in shelves into an eye-arresting display
8. Stacking accessories
9. Dressing up walls. Small rooms do not have a lot of space for accessorizing
10. Use rugs to separate the spaces (Breaking the space into 2 separate seating)
11. Take advantage of crown molding to make rooms look taller
12. Choosing cool colors will instantly make a room look larger (Pale and cool colors reflects light)
13. Placement of furniture. Arranging sofas and chairs on an angle instead of lining them up against walls.
14. Choosing lower furniture that will complement size of the room
15. Raise roof on a boxy room and create the illusion of more space (Hanging curtains just under the ceiling instead of directly above window frames)
16. Use large mirrors on one wall to make space feel more open 
17. Stick to one wall color. The light colored walls and white sofa will help to visually push back the perimeter
18. Certain window treatments can make a room look bigger. (Swing-arm-rod draperies make light work of creating privacy by night and framing views by day)
19. Having storage in staircases
20. Having an adjustable and collapsible bed