Green Building Standard (GBS) is a Polish building-certification system organised by the Polish National Association for Supporting Sustainable Building (OSWBZ). Its published framework focuses on the quality of the indoor environment, user comfort and the rational use of energy.
The applicable requirements depend on the GBS scheme version and the status of the project. The current public detailed guidelines located during this review are marked `GBS 2020`, so project teams should confirm the active documentation with OSWBZ before relying on the criteria.
What is Green Building Standard?
Green Building Standard (GBS) was developed in Poland and is administered by OSWBZ. The official GBS 2020 rules describe it as a building-certification system intended to confirm a high standard of design work supporting occupant comfort and a high-quality indoor environment while respecting energy-use principles.
The published system places particular emphasis on:
- occupant comfort and indoor environmental quality,
- energy consumption and procedures for rational energy use,
- additional user amenities implemented without unnecessary energy demand,
- management and user information needed to maintain the intended performance during operation.
What is GBS certification used for?
GBS provides investors, owners and project teams with a structured set of requirements and evidence for assessing selected aspects of a building’s design and operation.
The process can support integrated design and help document decisions concerning the indoor environment, energy performance and user amenities. A certificate communicates that the project was assessed under a defined version of the scheme. It does not, on its own, guarantee a particular market value, financing decision, operating cost or health outcome.
GBS criteria and evidence
The publicly available GBS 2020 guidelines include basic requirements and optional credits. The basic documentation refers to subjects such as:
- indoor environmental conditions,
- energy performance compared with the defined reference approach,
- plans for maintaining indoor environmental quality,
- plans for rational energy use,
- training and information for users and technical staff.
Optional evidence can include analyses of daylight access, views, airborne and impact sound insulation, reverberation time, accessibility and other project-specific measures.
Some standards referenced by the 2020 guidelines may since have been superseded. The project team and auditor should therefore use the current GBS documentation and confirm how later standards are to be applied.
How does the certification process work?
The GBS 2020 rules describe a process organised by OSWBZ. It includes a project application, submission of the required declarations and supporting documents, a completeness and technical review, and a certification decision under the scheme rules.
The precise sequence, fees, forms, auditor requirements and scoring should be confirmed with OSWBZ before a project begins. An earlier web article or summary is not a substitute for the current certification agreement and guidelines.
What are the potential benefits?
GBS can help a project team:
- set measurable objectives for indoor conditions and energy use,
- coordinate evidence across design, construction and operation,
- communicate verified project features to users and stakeholders,
- support ongoing procedures for maintaining the intended performance.
The actual comfort, energy consumption, operating cost and commercial value of a building depend on design, execution, commissioning, management and use. Certification should be described as an assessment framework, not a guarantee of these outcomes.
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