
Sterntalerweg Lübeck
From renovation project to flagship development
The revitalization of a residential high-rise in the Moisling district of Lübeck shows how existing buildings can be made attractive and economically viable again through targeted interventions. At the core: new loggias with balcony glazing that significantly improve living quality, energy efficiency, and usability.
Project overview
- Location: Lübeck-Moisling in Germany
- Building type: Residential high-rise (1968)
- Scope: Renovation, vertical extension, new loggias
- Client: Grundstücks-Gesellschaft TRAVE mbH
- Architecture: ppp architekten + stadtplaner
- Construction period: 06/2021 – 04/2025
Initial situation
High heat loss, low living comfort, and barely usable balconies — typical challenges for many buildings from this era.


Solution
- 152 full-height retractable/sliding glazing systems
- Split loggias: glazed + open sections
- Flexible, year-round use
- Result: balconies transformed into usable living space
Impact
- Improved living comfort: weather-protected, usable for longer periods
- Better energy efficiency: reduced heat loss
- Value preservation: protection of the building structure and lower maintenance needs
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