Are you concerned about the privacy of your balcony? If yes, then these Balcony Privacy Ideas would be helpful for you.
The frame is filling the open space – can there be any thing simpler? Grilled frame painted in sophisticated color and placed at the corner of the balcony; it can also be used as a trellis, good support for vines and climbers.
As you can see this is a small balcony and the plants are planted in pots on the corner and front of the railings to cover the views from outside. *Plants are natural and cheapest tools for balcony privacy.
You might also like to read Balcony Furniture Ideas here.