A study of the application of repertory grids, to measure the attitudes of a range of parties, both professional and lay, to the design of buildings employs buildings as elements and elicit constructs, the respondents' dimen sions of judgment. It shows the relative importance of these dimensions and the placing along them of the varied elements. Using principal components analysis, it demon strates how tightly or singly the constructs are used, in dicates groups of buildings similarly construed and dis tinguishes functionally independent groups of constructs (components). It demonstrates how different are the di mensions used and found important to different respondents. It further shows that respondents vary in the diversity of views they bring to the judgment of building designs. Within the total respondent group, the specialist (acti vity) groups of architects in education, practising ar chitects, planners and laymen are seen to have group dif ferences and to be opposed on principal components of cognitive construction.