Congrès HLM. ⠀⠀Nantes⠀⠀ France 3 - 5 October 2023 Stand I12 Hall Grand Palais ⠀⠀Nantes⠀⠀ France 3 - 5 October 2023 Stand I12 Hall Grand Palais Learn more The HLM congress brings together the heads of HLM organisations to discuss the main directions and priorities for action in the social housing sector.