Roof Bump Out Cost
Hang the new space off the side of the building.
Roof bump out cost. According to some anecdotal price reports a bump out may cost. However with a bump out this cost is sure to change as the size and construction needed will be much different. Consider the cost of permits electrical and plumbing if needed. Reusing materials will produce a cost lower on this spectrum.
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. The average cost to build an additionis 36 238. 2 feet by 10 feet bump out. 4 feet by 10 feet bump out.
6 5 feet by 28 feet bump out for a bathroom on the ground poured foundation. 2 foot bump out in a kitchen length not provided on a second story cantilevered.