Determine how the space will be used to properly furnish the room. Take measurements to ensure a proper fit for the pieces that you plan to bring into the study. You don't want the room to be too cramped because the furniture is too large or placed too close together.
Assess the room's lighting and update your current lighting, if needed. Include task lighting and a floor lamp, rather than solely relying on ceiling light to create the ambiance of a study.
Paint the room a light to neutral color to make the space feel larger; using dark colors in small rooms makes them appear even smaller.
Choose one wall of the room to outfit with built-in bookcases or place prefabricated bookcases along the wall and embellish with molding to create a custom look, if desired.
Outfit the room with a writing desk, desk chair and at least one comfortable chair for guests.