Retro Interior Design
1960's
Retro interior design of the sixties, looked to the past decades for much of its inspiration and designers added their own stamp onto styles from the 20's, art nouveau and the Victorian era. They cheeky twist gave the 60's its unique look.
-The swinging sixties was happening...
The image of the open plan living room is an example of modern retro interior design. Mezzanines were the big addition to a space in the sixties so perhaps you could introduce one into your room. Make a floor plan with elevations to asses the space you have available. If it looks like it would be possible, then your next step is to consult with an interior architect or architect.