Cost To Add Bedroom How Much Might It Cost To Add An Upstairs Bedroom?

How much might it cost to add an upstairs bedroom? - cost to add bedroom

I know he is well, I try to see if it's still worth considering.

We live in a land with 2 bedrooms upstairs, one of which is a complement cod. Since no "roof" over the house, but there are some areas of access to small tubes, I think I have sort of "raising the roof square? So I guess we would need a roof, so that only a simple room.