Your browser doesn't support javascript. This means that the content or functionality of our website will be limited or unavailable. If you need more information about Vinnova, please contact us.

Our e-services for applications, projects and assessments close on Thursday 25 April at 4:30pm because of system upgrades. We expect to open them again on Friday 26 April at 8am the latest.

ReBuildings - constructing houses from houses

Reference number
Coordinator Codesign Sweden AB
Funding from Vinnova SEK 9 918 220
Project duration February 2021 - January 2023
Status Completed
Venture Challenge-driven innovation - Phase 2 Collaboration

Purpose and goal

The project contributes to a sustainable construction sector and transition to a circular economy by having: - Strengthened companies´ competitiveness through inclusive innovation work - Valued real estate, reused products, new services - Measured reduction of environmental impact - Raised social aspects based on Due Diligence, ESG & Taxonomin - Ensured quality of materials, technical, architectural, constructive solutions - Mapped the construction process for circular material flows, Återhusprocessen - Verified technical solutions & Återhus-process in pilot projects

Expected results and effects

The project results and effects are to create: - An increased interest in the reuse of heavy building parts made of steel and concrete (more developers want to implement the reuse of building frames); - Conditions for circular business models; - Conditions for upscaling the reuse of heavy building parts, a market for circular products and materials; - Conditions for sustainable funding; - Significant reduction of the industry´s environmental impact caused by extraction of virgin materials and waste volumes; - Protection of biodiversity; - Social inclusion and sustainable cities

Planned approach and implementation

"Återhus" is a collaborative project that has delivered results within 11 work packages in the following areas: 1. Technology and products (AP 4, 5, 6), 2. Business models (AP 2), 3. Infrastructure and production systems (AP 5, 6 ) 4. Policy and regulations (AP 3), 5. Culture and values (AP 1, 3 and 8). The work packages have been based on needs and solutions according to the project´s system approach, leverage points to spark the industry´s transition. Collaboration, an integrated and inclusive way of working and testing solutions in pilot projects have been keys to its success.

External links

The project description has been provided by the project members themselves and the text has not been looked at by our editors.

Last updated 31 March 2023

Reference number 2020-04171

Page statistics