More ideas from Bruce
if extension to laundry room can be done then add mud room to same area

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.

Sussex Buxted Heated Towel Rail 370mm x 520mm Stainless Steel Flat Polished

Sussex Buxted Heated Towel Rail x Stainless Steel Flat Polished