The building block “Alt-Tempelhof” that is under monument protection provides a good example for a Berlin urban residential construction of the “Gründerzeit” (period of promoterism) that follows the model of the “dense city”. Mostly equipped with shops and multifunctional community facilities this building type is working effectively with a good social and functional mixture for more the 100 years. However the housing estate did not meet the required energy values of the EnEV (German Energy Saving Regulations) so rehabilitation was necessary.

The aim of the study was the elaboration of a strategic catalogue of measures for a cost-efficient energetic adaptation, provided that the building can stay occupied throughout the work. The proposed measures will optimize the listed existing building energetically without damaging the historic building stock and the façade image.

It was analysed which improvements in construction, architecture and plant engineering would secure the use of the building for the next decades. Furthermore the study shows a comparison of the calculated energy demand values with the actual consumption values based on five representative apartment versions.


1. Presentation and analysis of the city planning conditions of the quarter
2. Analysis of the building ensemble regarding building construction and building physics
3. Investigation of different energetic renovation measures
4. Energy conservation concept of the outer components


Location Berlin-Tempelhof, Germany
Client Berliner Bau- und Wohnungsgenossenschaft von 1892 eG
Team Research institute:
TU Dortmund, Institut für Stadtbaukunst
Project management:
Martin Cors, Dipl.-Ing. Architekt,  Imke Woelk und Partner
Energy balancing:
Markus Motz, Dipl.-Ing. Architekt,  TU Dortmund
Conservation of historic monuments:
Dorothea Krömer
Engineering office for technical building infrastructure:
Christoph Mojen, EcoPlan
Area/Data 243 apartments
Date Research and planning: 06.2010 – 06.2012
Construction period: 04.2013 – 10.2013
Monitoring: 11.2013 – 12.2014