The massive urban growth in countries like Indonesia is for a very large part taking place within unplanned settlements, developed by communities who construct their own homes. Unlike the traditional vernacular building culture of rural communities, which relates holistically to the climate and the environment, the self-built construction industry nowadays follows the take, make and waste principles of the linear economy. Popular materials like concrete, steel and bricks are extracted from the earth without a proper plan to restore the damage being done to the environment. Current solutions for water and energy provision don’t make use of available climatic opportunities. With our project, the Circular Construction Initiative, we aim to stimulate circular ways of constructing homes, workplaces and neighbourhoods. By educating local craftsmen and by jointly developing a circular construction industry for self-built communities we aim to close the loop for resources (water, energy and materials) on a local/regional scale.