Building Construction Authority (BCA)
Green Mark for Interiors
Green Mark for Interiors (GMI) is a certification scheme administered by the Singapore Green Building Council (SGBC) to assess and recognise the environmental performance of completed interior fit-out projects.

The scheme focuses on energy efficiency, indoor environmental quality, sustainable materials, and responsible operational practices within interior spaces.

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    What is

    GREENMARK

    FOR INTERIORS

    Artboard 12GREENMARK_seal

    Green Mark for Interiors (GMI) applies to non-residential interior spaces that are fully completed and in operation. It assesses the environmental performance of interior fit-out works within a clearly defined tenancy scope.

    GMI certification is awarded upon successful assessment and is valid for five (5) years, provided no major renovation or alteration occurs during the certification period.

    Best Practices in

    Interior Fit-Out Sustainability

    Singapore organisations apply for Green Mark for Interiors (GMI) certification to formally verify the sustainability performance of completed interior fit-out projects.

    The GMI framework evaluates key areas including lighting energy efficiency, indoor environmental quality, and responsible resource use within interior spaces. Certification under GMI reflects an organisation’s commitment to sustainable interior design and alignment with Singapore’s Green Mark standards.

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    Standards gives your business access to new markets.

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    BCA GREEN MARK
    IS COMPULSORY

    FOR BUILDINGS
    THAT

    Install or replace the
    building cooling system

    Have a Gross Floor Area
    greater than 5,000m2

    INDUSTRIAL
    BUILDINGS

    COMMERCIAL
    BUILDINGS

    RESIDENTIAL
    BUILDINGS

    INSTITUTIONAL
    BUILDINGS

    Owners of existing buildings MUST comply with the minimum environmental sustainability standard (Green Mark standard)
    Submit periodic energy efficiency audits of the building’s cooling systems

    Mandatory periodic energy audits ensure that cooling systems continue to operate efficiently throughout a building’s lifespan, allowing building owners to continuously reap energy saving benefits.

    Submit information in respect of energy consumption and other related information

    Building owners must submit to BCA a design application form for the building including other specified documents before installing or replacing of chillers (major energy-use change) for approval.

    The BCA Green Mark Scheme rates
    buildings according to five key criteria.

    Energy
    Efficiency

    Water
    Efficiency

    Environmental Protection

    Indoor Environmental Quality

    Other Green Innovations

    GREENMARK

    CERTIFICATION

    CRITERIA

    FOR ALL NEW & EXISTING BUILDINGS MAPPED TO UNITED NATIONS SUSTAINABLE DEVELOPMENT GOALS

    The assessment framework comprises a comprehensive scoring system and verification process to determine how environmentally friendly your building or project is.

    The total number of points obtained will provide an indication of the environmental friendliness of the building design and operation. Depending on the overall assessment and point scoring, the building will be certified to have met the respective Green Mark rating.

    ENERGY
    EFFICIENCY

    INTELLIGENCE
    SECTION

    HEALTH &
    WELLBEING

    WHOLE OF
    LIFE CARBON

    MAINTAINABILITY
    SECTION

    RESILIENCE
    SECTION

    Steps To Certification

    HOW DO YOU GET CERTIFIED?

    To get certified under the Green Mark Certification Scheme, building owners or developers must submit an application to the BCA. The application must include documentation of the building's design and construction features and performance data related to energy consumption, water consumption, and other environmental criteria.

    The BCA then conducts an evaluation of the building's performance,
    and if it meets the required standards, it is awarded a certification level.

    Recertification for Green Mark

    Is a process for qualified Green Mark-certified buildings to be recognised for sustained performance in the area of energy and water efficiency, operations and management, and indoor environment quality.

    By satisfying a checklist of performance metrics, such buildings can be re-certified to its most recent Green Mark scheme and rating.

    Eligibility for Recertification

    1. The building has not been retrofitted since its last GM Assessment

    2. It intends to retain the same GM scheme and rating

    3. It was certified with the following schemes:

    • GM for New Non-Residential Buildings (GM-NRB)
    • GM for Existing Non-residential Buildings (GM-ENRB)
    • GM for Healthcare Facilities (GM-HC)

    Note: GM for Existing Residential Buildings (GM- ERB) is applicable in mid-2023

    Recertification Process (6-8 months)
    Benefits of Green Mark
    • Positive effect on corporate image, leasing and resale value of
      buildings.
    • In terms of, reduction in energy, water and material resources usage, reduce potential environmental impact and improvement in indoor
      environmental quality for better health and well being.

    80%

    OF BUILDINGS BY GROSS FLOOR AREA (GFA) TO BE GREEN BY 2030

    1st OUTCOME
    As of March 2022, more than 49% of our buildings’ GFA has been greened2. This is good progress, but we need to do more.

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