Instead of placing candles on the edges, I think I'd make little hanging glass candle holders with LED solar lights.
Beautiful little balcony. (Name: Issy Eyre / Location: London, United Kingdom. I have a small balcony on my top floor flat which I have covered with beautiful soft fake grass and planted salads and scented flowers in old fruit crates)
Pallet Patio Set from Smart School House Mehr
9 Clever DIY Ways for a Shady Backyard Oasis Ideas, tutorials and some creative ways to bring shade to your backyard
Cheating a shelving type thing like this but to cover the air conditioning unit I think would be a great use of space an look great