What does storage look like for you?

During the winter, we store J's tricycle in his closet. Thankfully his closet is *slightly* bigger than a normal closet, so it has his old carseat, tricycle, two bins of old clothes, books, etc...

But for DH and my storage - it's tougher! We both have bikes that we've thus far kept on the balcony - but the balcony is partly open (covered, but one side is open) and I cannot help but think we're not taking proper care of our bikes by letting them get exposed to rain and snow. I'd really like to try a wall mount but DH insists our apartment is too small. I can think of at least one wall we could make it work - but it would make the entry to the bathroom super tight.. As for other storage - we have a lot of boxes in our room. It feels pretty cluttered.

Anyway -how do you handle storage in an apt without garage?