By Robert Dietz
The cost to make a home green (energy efficiency, water and indoor quality, etc.) is higher than the cost of construction of other homes, and this differential may persist as more builders enter the green market. However, builder experience with green technique reduces cost as engagement in the market increases.
McGraw Hill Construction’s (MHC) data and analytics team surveyed a set of NAHB single-family and multifamily members in 2013. MHC defines a green home as “one that is either built to a recognized green building standard or an energy- and water-efficient home that also addresses indoor air quality and/or resource efficiency.”
According to the findings, the incremental cost for builders to construct green homes was 8 percent in 2013. For remodelers, green projects raised costs by 9 percent on average.
The new home cost incremental was one percentage point higher than determined in the 2011 survey, but lower than the 11 percent increase reported in 2006 and 10 percent in 2008.
McGraw Hill’s analysis found that the cost to build green varied to some degree by the amount of green construction undertaken. For example, single-family builders who reported 30 percent of green projects of total operations indicated that the incremental costs were 5.7 percent on average. On the other hand, no such scale effects were reported for multifamily developers who on average faced similar incremental costs regardless of the share of green construction.
For remodelers, those businesses that report 30 percent green projects faced an incremental costs of 7.5 percent, compared to 9.5 percent for those doing less than 30 percent green projects.
The survey findings highlight the higher costs of incorporating certain energy-efficient or other green features, which suggests that consumer choice should hold the leading role in determining market share of various green features.
View this original article on the NAHB blog, Eye on Housing.
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