where are you located?
codes are based upon what has been adopted in your local jurisdiction. There are numerous items that you must confirm, in most areas of the country that is, especially if you are obtaining a building permit.
Typically you must provide an Emergency Escape and Recuse Opening from every bedroom. Your attic floor joists need to be evaluated for the load you're applying. Insulation requirements need to be verified. Typically adding a bedroom will require that all smoke detectors in your home be hard-wired. Again all this depends on your local building codes.
codes are based upon what has been adopted in your local jurisdiction. There are numerous items that you must confirm, in most areas of the country that is, especially if you are obtaining a building permit.
Typically you must provide an Emergency Escape and Recuse Opening from every bedroom. Your attic floor joists need to be evaluated for the load you're applying. Insulation requirements need to be verified. Typically adding a bedroom will require that all smoke detectors in your home be hard-wired. Again all this depends on your local building codes.