Wood floors/ transition to tile in shower image of a refurbishment in Buckinghamshire, posted by Interior Therapy, has been saved more than times by Houzz users. The classic but modern space features grey tiles and a personal typography poster on the wall
Simple built-in to create a mudroom and/or storage anywhere from an entry, to kids room or in a laundry room by adding shelves or a deeper bench for sitting. Put drawers under bench or have the seat lift up to store things.
beautiful cabinet color and mudroom design. You could consider adding a little bench that connects from mudroom side around wall leading to den. Would give some added storage under and another place for them to sit and get ready.