Hang the new space off the side of the building.
Roof bump out cost.
Consider the cost of permits electrical and plumbing if needed.
According to some anecdotal price reports a bump out may cost.
4 feet by 10 feet bump out.
It sounds farfetched but a bump out addition is a clever secure and economical way to add on says curt schultz a realtor architect builder in pasadena calif.
The cost is higher on the spectrum for a third story than a second floor and for additions with dormers very steep pitches and multiple peaks and valleys.
Reusing materials will produce a cost lower on this spectrum.
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.
However with a bump out this cost is sure to change as the size and construction needed will be much different.