Most dryers can't be pushed up against the wall due to the dryer vent so why not build a shelf to cover the gap. Not only does it add more storage but it also keeps items from falling behind the washer and dryer
Toilet Caddy- 3 in 1 Organizer (perfect for tiny bathroom). Rent-Direct.com - Apartments for Rent in New York, with No Broker's Fee. | OMG I will need this for our bathroom. Especially if there is no toilet paper holder.