The space under the staircase is often left unused. However, it can be put to good use by setting up a functional area there. If the area allows, you can also set up a bathroom with a toilet, sink, or even a shower. Additionally, it can be used as a pantry for storing seasonal items, tools, and household supplies.

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Another option is to create a relaxation spot with a sofa or chairs. It could also be a play area for kids, giving them their own space to enjoy. Finally, if you have pets, you can design a small area for them to rest or play. There are many ways to turn this unused space into something practical and enjoyable for everyone.