We often turn simple, rectangular, balconies into green spaces by adding some grass. In this Toronto balcony, we created a full entertaining area by creating two grass spaces, surrounded by different coloured composite. At the end of the balcony, we built a customized bench and wall.
The bench was built with a storage area underneath it to store cushions, etc. given that space is always an issue in a condo. The wall was custom fitted to the space to provide privacy but also to keep the cat from running to the other balcony :-).