6 5 feet by 28 feet bump out for a bathroom on the ground poured foundation.
Roof bump out cost.
4 feet by 10 feet bump out.
Hang the new space off the side of the building.
20 50 30 00 per square foot cost of framing an upper level addition a staircase to reach it and the roof structure.
Here s a trick for building a small addition without paying for any foundation work or maybe roof work either.
The average cost to build an additionis 36 238.
Reusing materials will produce a cost lower on this spectrum.
According to some anecdotal price reports a bump out may cost.
Consider the cost of permits electrical and plumbing if needed.
2 foot bump out in a kitchen length not provided on a second story cantilevered.
2 feet by 10 feet bump out.