Serial refurbishment of apartment buildings

In Germany, industrial approaches for building refurbishment are still mostly unknown. In order to develop the market for complete refurbishment from a single source, dena is launching the project “Serial refurbishment of apartment buildings”.

Statistics and analyses of energy efficiency in German building stock.

The challenge:

Even if Germany is a pioneer in many aspects of climate protection and many countries look to Germany as a role model, the path to a climate-neutral building stock is still a long one, as most buildings have not yet been or only minimally refurbished to improve energy efficiency. Existing buildings consume three to five times what is technically possible today. Furthermore, energy-saving refurbishments have required a high percentage of manual work at the construction site to date. Due to the complexity of the established construction process, there is little cost certainty at the beginning of the measures, even for small buildings. Overall, these aspects constitute a significant hurdle for a more rapid energy-efficient refurbishment of existing buildings.

In order to resolve these issues and work together with the relevant stakeholders to prepare the market for highly efficient, innovative complete refurbishments and hence further advance refurbishment efforts to obtain a climate-neutral building stock, dena is launching the project “Serial refurbishment of apartment buildings” together with the construction industry and real estate sector with the involvement of the Federal Ministry for Economic Affairs and Energy (BMWi) and the Dutch initiative “Energiesprong”.

What we will do:

During the project term, market barriers will be eliminated and trust built up between the stakeholders by working closely with the housing and construction industries. The goal is the joint development of prototypes which will show which serial refurbishment solutions can be implemented in Germany.
Industrial manufacturing is generally conceivable for all building types. However, for the next three years, the focus will be on the existing stock of housing companies (mostly apartment buildings), as a relatively small number of decision-makers is often responsible for the refurbishment of a very large number of buildings. A large number of properties for refurbishment is a prerequisite in order to be able to achieve financially attractive production conditions.

The overall outcome:

The buildings refurbished via serial production differ greatly from existing refurbishment options due to lower costs, a short refurbishment duration, an appealing design, as well as a functional and savings guarantee.

The goal of the project is to connect innovative housing construction companies with smart construction companies, transform districts, and improve the quality of life for residents. Dena will be supported in this three-year project by the non-profit organisation Energiesprong, which has already successfully developed this refurbishment market in the Netherlands.


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