Impact of WELL certification on occupant satisfaction and perceived health, well-being, and productivity: A multi-office pre- versus post-occupancy evaluation

The WELL Building Standard (WELL) is currently one of the most comprehensive building certification programs that aim to enhance health and well-being occupants. However, there a lack systematic evaluation effectiveness in achieving its goal. This study investigates impact on occupant satisfaction with workplace perceived health, well-being, productivity. More than 1300 pre- post-occupancy survey responses provided by nearly same cohort occupants from six companies North America were quantitatively analyzed. results showed transitioning certified offices non-WELL had positive productivity, increases means pre-to being highly statistically significant. majority studied parameters as well mental large effect sizes. While they improved post-occupancy, analysis revealed small sizes for physical self-assessed medium. In addition analyzing aggregate, examined at individual company level confirm by-company aggregate findings aligned.