Need more space? Install some shelves. If you don’t have additional cabinets above your washer and dryer then adding some wire shelving or wooden shelves will help give you some much needed space. I installed a long wire rack above my machines so I can put my laundry detergent, dryer sheets, iron and other miscellaneous items above them. If you have room to the left or right of your machine you can also install shelves there. I am vertically challenged and so I need to be able to access certain things regularly and so having shelves lower and to the right or left of the washer and dryer really help.
Make use of the space next to your machines. To organize my laundry room I make sure every area is maximized. I have a little bit of room to the left of my washing machine and so I store my clothes drying rack (look up) and ironing board at the side of the washer. That way it is easily accesidble and clealry in the most obvious place. 
