A separate mud room for the kids’ coats and shoes. I like the idea of a sink in the mud room – to wash up before they come inside with dirty hands. It looks like there is a built in step to the sink for the little ones.
cabinet allows for a laundry pass through. Consider laundry baskets, rolling baskets or even some kind of drawers that roll both ways. Sharing with hallway or MBR closet. Also consider a full-size linen closet.