No. 6: Upscale master suite addition = $126,860
Picture adding a sumptuous hotel suite to your home -- an extra-large sleeping suite, complete with sitting area, fireplace, kitchenette and luxurious bathroom.
According to the Remodeling magazine survey, this project can potentially add the most dollar value to a home at resale. But it was also the most expensive project on the list. And in terms of the percentage recouped at resale (53.7 percent in 2015), it offered one of the lowest returns on the dollar, according to the report.