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The WELL certification system for new and existing buildings and interiors is a new tool for measuring and evaluating indoor environment parameters that affect health and well-being of its occupants.

Ing. Lenka Matějíčková

Head of Sustainability Ask me a question

The current growing interest of developers in so-called green building certification (sometimes referred to as LEED or BREEAM Green Buildings) brings with it new challenges for designing and operating all types of buildings - administrative, commercial centers, industrial plants or residential buildings. In order for a building to be classified as gentle, it must respect the essential nature of sustainability; in other words, such a building should, for example, be located in such a place as to promote its easy accessibility to its users, other than by means of passenger cars, it must use water and energy economically to operate it. Great emphasis is placed on the use of recycled or local materials or products, and last but not least, the building must also provide its users with a pleasant environment.

Unlike LEED and BREAM certifications, the WELL evaluation system is not based on reducing energy loads and harmful effects of development on the environment but on the implementation of several key factors with a significant impact on the well-being of the user himself. The WELL certification system was founded under the auspices of the International WELL Building Institute (IWBI) in the USA. The IWBI is a public benefit organization.

WELL certification should guarantee a pleasant work environment, among other things, because the gain of this certificate must be backed by measuring the key environmental parameters of an independent third party.

 The number of credits and certification types

All required prerequisites and a certain number of credits must be met to achieve a targeted level of certification.

WELL BRONZE: 40 POINTS – only within the certification Core and Shell





Projects can earn a minimum of 2 points and maximum of 12 points for a concept. In total, 100 points and 10 points for innovative credits.

WELL certification covers 10 basic areas:

  • Air (18 credits) - optimization and quality of indoor air; strategies for the prevention and elimination of air pollution during operation.
  • Water (9 credits) – optimizing water quality while ensuring its availability; strategies for filtration and water purification.
  • Nutrition (17 credits) – healthy eating promotion; understanding nutritional values.
  • Light (14 credits) – the harmony of the circadian rhythm (biorhythm describing activity and vigilance fluctuations approximately with a 24-hour period), the level of illumination with an emphasis on natural daylight; window locations and screen shielding.
  • Fitness (20 credits) – increase of physical activity. 
  • Thermal comfort (12 credits) – promoting human productivity and ensuring maximum thermal comfort for all building users by optimizing the design and controlling of the HVAC system.
  • Sound (11 credits) – optimization of the required sound transmission and noise reduction in the indoor environment due to external and internal factors.
  • Materials (24 credits) – reducing harmful and toxic substances impact from built-in materials and fittings on users.
  • Mind (26 credits) – mental and emotional health support.
  • Community (31 credits) – ensuring proper health care, conditions for new parents, social and empathetic access to various socially strained situations, or engaging in charity and workplace safety.

Each of the ten areas is divided into credits that are either mandatory (Preconditions) or optional (Options). To obtain a certificate, all Preconditions must be met. A higher level of certification will only be granted to buildings that receive a certain number of Option credit within each of the concepts. To maintain a valid certificate, recertification is required every 3 years.

IWBI registration and certification fees are payable for the certification and can be paid in one-off or in subscriptions. Subscriptions brings a number of benefits, such as fee-free re-certification and guaranteed fees.

What kinds of buildings can be WELL certified

Basically any kind.

Based on IWBI‘s experience with WELL and pilot projects, a new version of WELL v2 certification has been developed. As owners of non-office buildings (industrial buildings, hospitals, schools, retail, residential buildings, multifunctional projects, etc.) have also expressed interest in WELL certification, a new flexible WELL v2 certification system has been created, which allows to customize the selection of certification scope and credits according to the type and possibilities of the project. This has created a certification system in which any project that meets the mandatory requirements and the appropriate number of credits can participate. The criteria in on-line tool automatically change when pre-registering the project after entering the basic parameters.

After registration, an IWBI adviser is assigned to the certification team to answer any questions.

WELL Building Standard can be used for a new construction or an existing building used by the owner of the building for at least 90% of its surface. In another case, the building can be certified in the Core & Shell range, roughly equivalent to 25% owner / 75% tenant. In addition, it is possible to certify the rental installation for both New and Existing Interiors.

WELL certified buildings or rental premises will provide a measurable impact on the health, well-being and enjoyment of users. Among other things, it will guarantee a higher performance of people in the workplace and will contribute to prosperity across the entire company. Leading LEED or BREEAM Buildings certification will also create a very valuable concept for building sustainability.

Number of projects certified in 10/2019

350         New and existing Interiors.

397         Core and Shell (1 in the Czech Republic – Visionary, 26 806 m2, SKANSKA, WELL CS GOLD 2019)

69          New and Existing Buildings

24           New and Existing Interior in a Core and Shell building

547         WELL v2 Core and Shell

2516       WELL v2 certification

Number of registered projects

3 591      registered projects of which 2 494 projects in WELL v2 (3 in the Czech Republic (CS) Vinohradská, 3400 m2; Parkview – 19 800 m2; Praga Studios, 14 477 m2)

58 countries are involved worldwide.

Questions about this capability

Ing. Lenka Matějíčková

Head of Sustainability Ask me a question
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