The study was conducted on 30 office buildings in Bandung. Each building was given a questionnaire form before an audit was conducted on the buildings. The questionaire form consisted of two pages. The first page consisted of general information, shown in Table 2. The second page is the detailed monthly energy and water consumption and cost. One of the important data to be collected in the special areas of the buildings. This includes all areas that are not office space and/or operated outside office hours.