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The plan for the “Proosa” (eng. Prose) building block won the Housing Reform 2020 architectural competition held by the City of Helsinki, Ministry of the Environment, Alvar Aalto Foundation and SAFA (the Finnish Architects Association), which sought to reform the practices of housing design, as well as to increase the diversity of housing production and housing options for residents. The competition focused on the challenges of housing in Helsinki and the impact of social changes in future housing solutions. With Proosa, the possibilities of urban timber construction were explored, particularly regarding the timber structured slab blocks in the perimeter block. The goal was an effective and diverse block structure and clearly demarcated street spaces. The project is part of The Re-thinking Urban Housing Programme. 

The project includes government-sponsored ARA housing rights apartments for Asuntosäätiö as well as ARA rental apartments for A-Kruunu. The project relies on five residential towers and the light wells left between them. There will be a total of 180 apartments in the block, ranging from studio apartments to five-room apartments and the average area of the apartments being approx. 53 square metres. The building is constructed of timber structured, prefabricated CLT spatial units and the facades are made of wood. The project is constructed by JVR Rakenne Oy. 

The project is designed in collaboration with A-Konsultit Architects and KUMP Architects.

Under development
the City of Helsinki
14 279 m2