cost of addition or finish basement for extra BR+BA

[Stephen Underhill]

hey all im looking at a house and intend on making an offer for it, i will be making a seperate post for that shortly, but i had a question first. I was wondering what the general cost of an addition at ground level to the existing structure would cost. This house is smaller, 2br 1 ba 940sqft, and i was looking to add space for another br/ba ~300 sqft??

this is more an out of curiousity issue at this point, as i intend to move forward, just interest in if it would be cost prohibitive to add for an additional $150 or so in rent/ added value if sold.

Also, i understand that the local muni codes etc are a big factor here, and i plan on calling them up if we get the house under contract, but in terms of labor and construction if there arent any structural conflicts.

thanks in advance. Also, this house does have an unfinished basement, i assume this would be cheaper to finish?? also heard some negatives for having a basement bedroom/bath. Thoughts?