I am looking to extend or widen the current dormer (about 2-2.5 feet on each side) on the second floor of our house. What kind of costs and/or potential issues could this have?
It is very difficult for any contractor to quote on such a project without having more information about the existing conditions, stuctural drawings, etc.
It may be a simple or very complex project involving structural engineers, extensive "colateral" damage in demolition to access and improve on structural members, etc.
The best route is consulting a structural engineer or architect before trying to get quotes.
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