All the concerning issues were noted from the beginning as shown by the owners, including giving the church stakeholders: scientific methodology of lighting engineering design, transparent tender, and professional construction management. Plaza Sumpah Pemuda extension completed in 2019. Open skylight glass was designed to let sun penetrate the areas and it equipped with retractable roof to prevent discomfort glare and unwanted excessive heat. The lighting design concept for Plaza Sumpah Pemuda Extension was developed to combine a low-output and high-output fixtures to create a subtle contrast patterns in all elements to accentuate the architectural element of the space. Detail lighting emphasize the column details. Every part of the lighting design was developed in careful consideration of minimizing energy, glare, spill light, color temperature, and CRI to provide a high performance in the space.