This is a legacy version of the WELL Building Standard. Please check the latest version here.



The WELL Building Standard™ (WELL) establishes requirements designed to create distraction-free, productive and comfortable indoor environments.


The indoor environment should be a place of comfort. In pursuit of that vision, the WELL Building Standard® focuses on significantly reducing the most common sources of physiological disruption, distraction and irritation and on enhancing acoustic, ergonomic, olfactory and thermal comfort to prevent stress and injury and facilitate comfort, productivity and well-being.

Built environments can harbor sounds that are distracting and disruptive to work or relaxation. Employee surveys show that acoustic problems are a leading source of dissatisfaction within the environmental conditions of an office. As acoustic comfort is determined in part by the physical properties and contents of environments, the WELL Building Standard aims to shape spaces to mitigate unwanted indoor noise levels and reduce exterior noise intrusion in order to enhance social interaction, learning, more