Comparative aspects

Adaptive method

Other assessment methods

Maximum assessment items’ level

Relation to items’ requirements

The full score of any assessing item is given when only achieving a 100% (full green practice) of the item’s achievement, otherwise different scores are given. Thus, the items requirements (numbers, percentages, and standards to be followed) are to reflect the best practice can be achieved according to the possibilities and limitations for each place, time and buildings characteristics, but in return a high scores are given, but not the optimal.

Items requirements are presenting the best available sustainable practice in buildings to deal with the environment according to the different circumstances of their producing countries (similar to the adaptive method). That’s why percentages and numbers of the assessment items requirements are below the optimal practice 100%, and these items requirements are constantly changed to reflect the new limits that can be obtained, but unlike the adaptive method they get the items’ full score when just passing them. From above, it can be noticed that the items targets are moving and not unified over place and time, so buildings were previously assessed are constantly viewed differently and with a fake impression especially when getting any items’ full scores.

Assessment items’ achievement levels


Maximum level represents the best practice (100% of item’s verification), while the minimum level may meet 0% or above,a and there are several levels in between, including the level of achieving the preferred performance (shown in the item’s formulation).

Most methods contain one specific level for most of their items to determine their achievement, and must be overridden to get the items scores. Some methods such as CASBEE and GBC got several levels of assessing all items, but all methods don’t represent the 100% of items’ verification to achieve the maximum score given to them.

Assessing scores

Any item gets an assessing score as long as passing its minimum achievable level, which is 0% or above for some items,b and it is rewarded in different ways according to the level of achievement.

Building doesn’t get any score unless passing a specified limit of achievement, and the given scores are unified beyond it. Besides, In the methods that have more than one level to assess items, the maximum and minimum levels are not presenting the ideal achievement and none of achievement.

Final classification

`Unified for all buildings, and representing the ideal achievement, which is 100% for all the items.

Varied among different assessment methods, and among the same methods over the time, to represent a higher environmental efficiency each time.

Assessment items’ continuity levels

Relation to items’ requirements

Items are assessed according to achieving their requirements during the periods of time they lasts through. Thus, it is proposed that one item may have more than one level of achievement, each of these levels will have its continuity level, so scores meeting the achievement levels will be multiplied to the scores of their continuity levels to get the final item’s score.

Assessment is not associated with the time periods that items requirements lasted through, thus, assessment depends on giving the items their scores when passing a given period of time or for the longest achievement possible.