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The BREEAM process
Assessing your assets to BREEAM is easy. With over 30 years’ experience in sustainability assessment and third-party accreditation, you can be confident in the BREEAM sustainability journey.
BREEAM assessment categories
BREEAM provides a holistic sustainability assessment framework, measuring sustainable value in a series of categories and validating this performance with third-party certification. Each of these categories addresses influential factors, including low impact design and carbon emissions reduction; design durability and resilience; adaption to climate change; and ecological value and biodiversity protection.
BREEAM ratings
A BREEAM certified rating reflects the performance achieved by a project and its stakeholders, as measured against the BREEAM standard and its benchmarks. The rating enables comparability between projects and provides assurance on performance, quality and value of the asset.
The BREEAM ratings range from Acceptable (In-Use scheme only) to Pass, Good, Very Good, Excellent to Outstanding and it is reflected in a series of stars on the BREEAM certificate. Always look for the BREEAM certificate and certification mark to verify an assessment and its BREEAM rating. You can also search for certified assessments via our listings.
Choosing the right standard for your project
The BREEAM suite of schemes enables consistent and comparable assessment and verification across the entire built environment lifecycle.
Third-party accredited
BREEAM’s third-party certification involves the validation of the assessment by impartial experts known as BREEAM Assessors. BREEAM Assessors are qualified and licensed to ensure the assessment meets BREEAM quality and performance standards.
The assessment then undergoes a Quality Audit (QA) check from the accredited third-party independent and impartial certification body, BRE Global Ltd. The BREEAM certification mark provides an internationally recognised badge of assurance that the assessment of a project conforms to the requirements of the scheme. The certification mark can be showcased to demonstrate the quality, performance and sustainable credentials of the asset.
BRE Global Ltd is accredited by the United Kingdom Accreditation Service (UKAS) against BS EN ISO/IEC 17065:2012 – General requirements for bodies operating product certification systems for providing certification activities associated with the assessment of environmental performance of:
- Masterplanning
- New construction of infrastructure & buildings
- Buildings in use
- Refurbishment of buildings
In addition, all BREEAM related activities are aligned to ISO 9001.
As an accredited certification body, BRE Global maintains an open and accountable governance structure that, amongst other things, safeguards impartiality. For more detail about the BRE Global, visit here.
Stakeholders can have confidence in our certifications because we conduct them and our business in a fair and impartial manner, and with avoidance of undue influence arising from conflicts of interest. We maintain impartiality by apply a number of principles and these can be viewed in our Statement of Impartiality.
BREEAM Case studies
Browse the latest case studies from BREEAM

China Basin – Achieving BREEAM Very Good rating on a waterfront Tech & Life Sciences Campus in San Francisco
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WashREIT leverages green bond funding to achieve BREEAM certification of eight assets
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DEKA USA Property TWO LP 3050 Gateway Distribution Center achieves BREEAM certification in efforts for continual progress
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2840 Junction in the Silicon Valley achieves BREEAM Good rating on Metlife Investment Management and Cushman & Wakefield campus
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A historic public garden leads green building into the future, Center for Sustainable Landscapes, Pennsylvania, USA
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The Oaks Mall – The First BREEAM USA Certification
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