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Project: Promoting Building Retrofits in the Private Residential Sector (ProRetro)

The aim of this project is to overcome barriers to residential building refurbishment by offering new one-stop-shop services in five German cities/regions.

Project information

Promoting Building Retrofits in the Private Residential Sector Through One-stop-shops in Germany (ProRetro)
Project manager at Linnaeus University
Krushna Mahapatra
Other project members at Linnaeus University
Brijesh Mainali
Participating organizations
- Linnaeus University
- Wuppertal Institut für Klima, Umwelt, Energie gGmbH, Germany (project coordinator)
- e7 Energie Markt Analyse GmbH, Austria
- Berliner Energieagentur GmbH, Germany
- Klimaschutzagentur Region Hannover gGmbH, Germany
- ProKlima GbR, Germany
- Raumfabrik AG, Swizerland
- Energieagentur Kreis Böblingen gGmbH, Germany
- Innovation City Management GmbH, Germany
- Sem Île-de-France Energies, France
- Stadt Wien, Austria
- Reimarkt Concept BV, the Netherlands
- Régie Régionale du Service Public de l’Efficacité Energétique, France
Horizon 2020 (grant agreement 894,189)
1 Jun 2020–31 May 2023
Sustainable built environment (Department of Built Environment and Energy Technology, Faculty of Technology)

More about the project

In line with the energy and climate goals of the European Union, Germany has committed to reduce its greenhouse gas emissions by 80 to 95 % by 2050. In the building sector, which accounts for 30 % of greenhouse gas emissions, the German government is aiming for an almost climate neutral building stock by 2050. This requires increasing the current renovation rates of approximately 1 % of the building stock per year to at least 3 %.

The ProRetro project aims to:

  • Overcome barriers to residential building refurbishment by offering new one-stop-shop services to customers in five German cities/regions.
  • Base the one-stop-shop design on the needs of customers, so that it is attractive to customers.
  • Conceptualize, plan, implement and monitor and evaluate the new one-stop-shops.
  • Prepare their continuation beyond the project lifetime.
  • Cover the whole customer journey of a building renovation, including audit/advice, planning, contracting, implementation, and monitoring and approval – and involve respective stakeholders/experts in the service offer.
  • Build on information and experiences in designing and implementing one-stop-shops from best practice examples in other European countries, and establish peer-learning structures with those organizations.

The project has 13 partners from five countries, divided into implementing partners and peer partners. The main role of the six (international) peer partners is to provide their valuable experiences with setting up and running one-stop-shops, and to coach German implementing partners through workshops, work-shadowing and intensive on-site coaching.

Professor Krushna Mahapatra and Dr Brijesh Mainali represent Linnaeus University as the peer partner from Sweden. Besides conducting the above tasks, they will lead Task 2.1 on comprehensive review of the current state of knowledge on one-stop-shop business models for energy renovation. Besides assessing the results of earlier projects establishing one-stop-shops, the scientific literature on existing barriers to building renovation, user motivation, the situation of financing energy efficiency projects, the decision-making process of building owners when making renovation decisions, and impediments for deep renovations will be taken into account.

The project is part of the research in the Sustainable Built Environment Research (SBER) research group and the Linnaeus Knowledge Environment Green Sustainable Development.