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Know how much space you are working with. This is particularly important regarding height: Many local regulations on turning a basement into a livable area require that the basement be at least 7 feet tall, sometimes higher. Always consult local building codes.
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Inspect Plumbing and Wiring
You will probably need to add plumbing and wiring to your basement, including a separate bathroom. Check on existing sytsems to see what expansions and upgrades need to be done. Remember, you'll need a permit for this work.
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