Under Stairs storage maybe something along these lines for toys
Chic IKEA Organization Hacks That Will Change Your Life via @MyDomaine
mud rooms in the kitchen | Creating a mud room | Notes from the Field
Need shelves like this in my closet under the stairs
Under Stairs Storage - depends if you have enough space once the utility is enlarged
Dear Husband, please can our next house have a big enough entrance hallway for this?!
modern jane: Back Porch Refresh. More
Neat and tidy: Install a coat hook low down on the floor in your hall and hang your trainers and shoes from it to keep life organised