The Smart Buildings & Cities PDEng program wants to contribute to the transition towards smart, intelligent and sustainable cities where quality of life is high. This transition requires new solutions which can only be created through multiscale and transdisciplinary (design) approaches. The transition is a relevant theme for society (as reflected by the Horizon 2020 Societal Challenges formulated by the European Commission), building industry and university (consider the TU/e's Strategic Areas: Energy, Health and Smart Mobility and the TU/e's Smart Cities Program).