Adding over and under your home are both smart ways to increase living space, but there are other creative ways to eke out extra square footage without drastically changing the footprint of your home. Look up, down, and all around, and you may find you have more room for rooms than you think—in the attic, the basement, the garage, or even an underused outbuilding. This Old House has gathered its favorite basement and attic bonus rooms, as well as shed and garage conversions, three-season porches, and more, to help you get inspired to find that hidden space in your home.
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