On May 30th 2017, it took place the second European Seminar on Solidarity in the Housing Sector at the Central European University (CEU) of Budapest (Hungary). The aim of the seminar was, on the one hand, to present the state of the art and present challenges in the policy area of housing in the European context and, on the other hand, to make visible the contributions developed by different solidarity actions in Europe, which are working for affordable housing access to the most vulnerable collectives. Introduced by Andrew Cartwright [...]