I can see a dresser area outside the bathroom in the floor plan and a separate wardrobe area as well. You can make an exclusive wardrobe and dresser area for your daughter just outside the bathroom. The wardrobe space can accomadate a long study table with wall mount bookshelf and a mix of open and closed storage. On the same wall you can make a sleek wardrobe for your son. Trundle beds are also quite in these days, you can place a trundle instead of a regular bed. Place the bed against the same wall as shown in the floor plan but tucked away in the corner. On the opposite wall you can get a nice kid friendly theme on the wall and create a small seating. Use all white furniture and add pops of colour through curtains and bedding

please post pictures so I could suggest you. thanks shradha shah beescheese design

all India interior work star interior design

nice