Gold. Silver. Bronze. The assessment.
The DGNB has defined target values for each criterion. Up to 10 assessment points are awarded for reaching the target specifications. Depending on the scheme, some criteria are weighted differently.
The concrete score for the six quality sections is calculated from the combination of the assessment points with the relevant weighting. The total score for the overall project is calculated from the five quality sections based on their weighting. Site quality is considered separately and this aspect is included in the marketability criterion. In the case of urban districts, site quality is incorporated in all criteria.
THE DGNB EVALUATION GRAPH.
EVALUATION BASED ON NOMINAL PERFORMANCE INDEX.
If the total performance index is at least 50 per cent, the building will receive a bronze DGNB Certificate. If the total score is at least 65 per cent, a silver certificate is granted. To qualify for a gold certificate, a project requires a total score of at least 80 per cent.
The DGNB aims to promote a uniform quality standard for buildings. Therefore the total score alone is not sufficient for a certificate.
A certain basic level – the minimum performance index – must be reached in all the result-relevant quality sections to be able to obtain the relevant certificate.
A score of at least 65 per cent in the first five quality sections is required for gold. A score of at least 50 per cent means silver and the building is awarded bronze for 35 per cent.