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What is a rating tool?

A green building rating tool sets standards and benchmarks for green building, and enables an objective assessment to be made as to how "green" a building is. The rating system sets out a "menu" of all the green measures that can be incorporated into a building to make it green. Points are awarded to a building according to which measures have been incorporated, and, after appropriate weighting, a total score is arrived at, which determines the rating.

Rating system

To achieve certification, building owners submit documentation to the Green Building Council of South Africa who employ independent assessors to assess the submission and score the building. Certification is awarded for 4-Star, 5-Star or 6-Star Green Star SA ratings.

There are several rating systems in existence worldwide, including LEED from the US, BREEAM from the UK and Green Star from Australia. After a process of industry and expert consultation, the Green Building Council of South Africa Board decided to base our South African rating tool on the Australian Green Star system, and to customise this tool for South African use.

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