WELL Building Standard v2 (International WELL Building Institute)

International (IWBI — 104 countries)

vv2 (2024)

17 domains

28 controls

The WELL Building Standard v2, administered by the International WELL Building Institute (IWBI), is the leading standard for buildings focused on human health and wellbeing. Over 46,000 WELL-registered and certified projects in 104 countries. WELL v2 covers 10 concepts: Air, Water, Nourishment, Light, Movement, Thermal Comfort, Sound, Materials, Mind, and Community. The standard includes requirements for smart building monitoring systems, data-driven indoor air quality management, and technology-enabled wellness programmes. WELL is often pursued alongside LEED for comprehensive green and healthy building certification.

Verified

WELL Building Standard v2 (International WELL Building Institute) is a compliance framework from International (IWBI — 104 countries) with 17 domains and 28 controls. The largest domains are Air Concept Features (A01 to A05) (4 controls), Air (2 controls), Community (2 controls). Every control below carries what it requires and what an assessor expects to see.

Maintained by Gerard BlokdykVerified against the published standard 31 May 2026Control text last updated 21 May 2026

Framework summaries on this platform are AI-assisted interpretations for educational and compliance planning purposes. They do not reproduce or replace the official standards. Refer to the authoritative source for the definitive text. Framework names and trademarks belong to their respective organisations.

Framework Domains (17)

Air

2 controls

Controls in the Air domain of WELL Building Standard v2 (International WELL Building Institute) — 2 controls
Code	Title	Description
WELL-AIR	Air Concept: Indoor Air Quality	Provide healthy indoor air through fundamental air quality thresholds for particulate matter, ozone, carbon monoxide, ni...
WELL-AIR-02	Smoke-Free Environment	Prohibit smoking and vaping inside the building and within a defined exterior buffer (typically 7.5 metres) from operabl...

Air Concept Features (A01 to A05)

4 controls

Air Concept Features (A01 to A05)

Controls in the Air Concept Features (A01 to A05) domain of WELL Building Standard v2 (International WELL Building Institute) — 4 controls
Code	Title	Description
A01	Air Quality	Establish fundamental indoor air quality standards including ventilation, filtration, and pollutant thresholds for occup...
A02	Smoke-Free Environment	Prohibit indoor smoking and restrict outdoor smoking near building entrances, operable windows, and air intakes.
A03	Ventilation Design	Design and maintain ventilation systems to deliver adequate outdoor air supply and distribution to all occupied spaces.
A05	Enhanced Air Quality	Implement enhanced filtration, source control, and air cleaning strategies to reduce indoor pollutant concentrations.

Air/Water/Nourishment

1 controls

Controls in the Air/Water/Nourishment domain of WELL Building Standard v2 (International WELL Building Institute) — 1 controls
Code	Title	Description
WELLV-1	Air, Water, Nourishment	Per WELL Building Standard v2 (International WELL Building Institute): Air, Water, Nourishment. Source-grounded summary...

Community

2 controls

Controls in the Community domain of WELL Building Standard v2 (International WELL Building Institute) — 2 controls
Code	Title	Description
WELL-COMM-01	Community Concept: Health Promotion	Promote occupant health through ongoing health benefits, preventive screenings, immunisation access, lactation rooms, fa...
WELL-COMM-02	Emergency Preparedness	Maintain emergency preparedness plans for fire, natural hazard, active threat, medical emergency, and infectious disease...

Documentation and Performance Verification

2 controls

Controls in the Documentation and Performance Verification domain of WELL Building Standard v2 (International WELL Building Institute) — 2 controls
Code	Title	Description
WELL-DOC-01	Documentation and Submittals	Maintain documentation supporting all pursued WELL features including narrative descriptions, drawings, specifications,...
WELL-VERIFY-01	Performance Verification	Engage a WELL Performance Testing Agent to conduct on site verification of measurable performance features including air...

Innovation

1 controls

Controls in the Innovation domain of WELL Building Standard v2 (International WELL Building Institute) — 1 controls
Code	Title	Description
WELL-INN-01	Innovation Features	Pursue innovation features that go beyond prescribed WELL requirements through novel strategies, new research evidence,...

Light

2 controls

Controls in the Light domain of WELL Building Standard v2 (International WELL Building Institute) — 2 controls
Code	Title	Description
WELL-LIGHT-01	Light Concept: Visual Lighting Design	Provide lighting that supports visual acuity and task performance, including illuminance levels appropriate to task, gla...
WELL-LIGHT-02	Circadian Lighting Design	Provide lighting that supports circadian health through sufficient daytime exposure to bright, blue-rich light and reduc...

Light/Movement

1 controls

Controls in the Light/Movement domain of WELL Building Standard v2 (International WELL Building Institute) — 1 controls
Code	Title	Description
WELLV-2	Light, Movement, Thermal Comfort	Per WELL Building Standard v2 (International WELL Building Institute): Light, Movement, Thermal Comfort. Source-grounded...

Materials

2 controls

Controls in the Materials domain of WELL Building Standard v2 (International WELL Building Institute) — 2 controls
Code	Title	Description
WELL-MAT-01	Materials Concept: Hazardous Material Restrictions	Restrict use of hazardous materials in building products including asbestos, lead, mercury, PCBs, polybrominated dipheny...
WELL-MAT-02	Cleaning Products and Equipment	Use cleaning products certified as low hazard (Green Seal, EcoLogo, EPA Safer Choice) and equipment with HEPA filtration...

Mind

2 controls

Controls in the Mind domain of WELL Building Standard v2 (International WELL Building Institute) — 2 controls
Code	Title	Description
WELL-MIND-01	Mind Concept: Mental Health Support	Provide mental health support including access to counselling through employee assistance programmes, mental health firs...
WELL-MIND-02	Stress Management and Resilience	Provide programmes and environmental supports for stress management and resilience including mindfulness training, bioph...

Mind/Community

1 controls

Controls in the Mind/Community domain of WELL Building Standard v2 (International WELL Building Institute) — 1 controls
Code	Title	Description
WELLV-4	Mind, Community, Innovations	Per WELL Building Standard v2 (International WELL Building Institute): Mind, Community, Innovations. Source-grounded sum...

Movement

1 controls

Controls in the Movement domain of WELL Building Standard v2 (International WELL Building Institute) — 1 controls
Code	Title	Description
WELL-MOVE-01	Movement Concept: Active Building Design	Design and operate the building to encourage physical activity including visible and accessible stairs, walkable paths,...

Nourishment

2 controls

Controls in the Nourishment domain of WELL Building Standard v2 (International WELL Building Institute) — 2 controls
Code	Title	Description
WELL-NOUR-01	Nourishment Concept: Fruits and Vegetables	Increase access to fruits and vegetables in cafeterias, vending, meetings, and events, with documented procurement stand...
WELL-NOUR-02	Nutritional Information and Transparency	Provide clear nutritional information including calories, macronutrients, sodium, sugar, and allergens on all foods and...

Sound

1 controls

Controls in the Sound domain of WELL Building Standard v2 (International WELL Building Institute) — 1 controls
Code	Title	Description
WELL-SOUND-01	Sound Concept: Acoustic Performance	Manage acoustic conditions including background noise, reverberation, sound isolation between spaces, and impact noise,...

Sound/Materials

1 controls

Controls in the Sound/Materials domain of WELL Building Standard v2 (International WELL Building Institute) — 1 controls
Code	Title	Description
WELLV-3	Sound, Materials	Per WELL Building Standard v2 (International WELL Building Institute): Sound, Materials. Source-grounded summary control...

Thermal Comfort

1 controls

Controls in the Thermal Comfort domain of WELL Building Standard v2 (International WELL Building Institute) — 1 controls
Code	Title	Description
WELL-THERMAL-01	Thermal Comfort Concept	Maintain thermal conditions within comfort ranges defined by ASHRAE 55, including air temperature, mean radiant temperat...

Water

2 controls

Controls in the Water domain of WELL Building Standard v2 (International WELL Building Institute) — 2 controls
Code	Title	Description
WELL-WATER-01	Water Concept: Drinking Water Quality	Ensure drinking water meets quality thresholds for microbiological contaminants, lead, copper, arsenic, disinfection byp...
WELL-WATER-02	Legionella Management	Implement a water management plan addressing Legionella risk in plumbing systems, cooling towers, hot tubs, decorative f...

What is WELL Building Standard v2 (International WELL Building Institute) and who does it apply to?

WELL Building Standard v2 (International WELL Building Institute) is a compliance framework from International (IWBI — 104 countries) with 17 domains and 28 controls. The WELL Building Standard v2, administered by the International WELL Building Institute (IWBI), is the leading standard for buildings focused on human health and wellbeing. Over 46,000 WELL-registered and certified projects in 104 countries. WELL v2 covers 10 concepts: Air, Water, Nourishment, Light, Movement, Thermal Comfort, Sound, Materials, Mind, and Community. The standard includes requirements for smart building monitoring systems, data-driven indoor air quality management, and technology-enabled wellness programmes. WELL is often pursued alongside LEED for comprehensive green and healthy building certification. It is used by organisations to establish and maintain compliance with industry standards and regulatory requirements.

What does WELL Building Standard v2 (International WELL Building Institute) actually require?

WELL Building Standard v2 (International WELL Building Institute) has 28 controls organised across 17 domains. The largest domains are Air Concept Features (A01 to A05) (4 controls), Air (2 controls), Community (2 controls). Each control defines specific requirements that organisations must implement to achieve compliance.

If I already comply with another framework, how much of WELL Building Standard v2 (International WELL Building Institute) do I already cover?

WELL Building Standard v2 (International WELL Building Institute) does not currently have cross-framework mappings in our system. Check back as we continuously expand our mapping database.

How do I implement WELL Building Standard v2 (International WELL Building Institute)?

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