Project · Berlin-Schöneberg
Window renovation in a multi-family building.From refurbishment roadmap to quality-assured implementation.
In a 23-unit residential building in Berlin-Schöneberg, the windows and balcony doors were upgraded step by step as part of an energy refurbishment.
EcoFuture Solutions supported the project from the individual refurbishment roadmap and funding strategy through technical preparation to quality assurance and the funding close-out.
Implementation completedBEG funding paid out
- 23
- Residential units
- 1956
- Year built
- approx. 0.94
- documented average Uw value in W/(m²K)
- 20 %
- Funding rate
- approx. €159,000
- Total investment, windows and balcony doors
- approx. €32,000
- Project-specific funding incl. roadmap bonus
- Completed
- Window renovation successfully delivered
- Paid out
- BEG funding

Existing building
A building with clear potential.
Built in the 1950s, the building is typical of Berlin's residential stock.
Based on an energy analysis and an individual refurbishment roadmap, a step-by-step modernisation strategy was developed.
One key element: improving the energy performance of the windows and balcony doors.
- 01
Existing building
Built 1956
- 02
23 residential units
Multi-family building
- 03
Roadmap (iSFP)
strategic basis
- 04
Windows
first measure implemented
Refurbishment strategy
Not just advice.Making delivery happen.
The individual refurbishment roadmap provided the strategic basis.
The next step turned the long-term strategy into a concrete, fundable measure. EcoFuture Solutions connected:
Energy advisoryFundingTechnical planningDeliveryQuality assurance
- 01
Survey & roadmap
Assess the energy condition and structure the measures.
- 02
Funding strategy
Identify the right funding route for the window measure.
- 03
Offer review
Check contractor offers against technical and funding requirements.
- 04
Application / technical project description
Document the funding requirements technically.
- 05
Implementation support
Accompany installation and energy-relevant details.
- 06
Documentation & close-out
Structure the evidence and support the funding close-out.

Windows & building envelope
Energy efficiency is in the details.
- ≤ 0.95 W/(m²K)
- Uw requirement for funding
- approx. 0.94 W/(m²K)
- Documented average Uw value
In a window renovation, quality is not decided by the product alone.
Equally important are professional installation, air-tight connections and thermal-bridge-reduced detailing within the existing building envelope.
Thermal protection
High-performance windows
Air-tightness
Clean connection details
Thermal bridges
Connections optimised by design
Workmanship
On-site inspection and documentation

BEG + roadmap bonus
Strategy that pays off.
Because the window measure was part of the individual refurbishment roadmap, the additional roadmap (iSFP) bonus could be used in this specific project.
15 %
BEG base rate, building envelope
5 %
Roadmap (iSFP) bonus
20 %
project-specific funding rate
Funding rate of the project shown. Funding conditions must always be checked for each project.
Building advisory
From strategy to the construction site.
- 01Roadmap & energy strategy
- 02Funding strategy
- 03Offer and plausibility review
- 04Technical project description
- 05Site and installation inspection
- 06Documentation & funding close-out
EcoFuture Solutions links energy advisory and funding strategy with actual delivery – so that a refurbishment recommendation becomes a technically traceable measure.

Green value
What a good window renovation achieves.
- 01Lower heat losses
- 02Improved thermal comfort
- 03A better-performing building envelope
- 04Higher workmanship through site supervision
- 05Funding used effectively
- 06A basis for further modernisation steps

Refurbishment is not a one-off project.It is a strategy.
The window renovation is part of the building's long-term energy development.
The individual refurbishment roadmap provides the basis for prioritising further measures and aligning them technically and economically.
From roadmap to delivery.
Planning to modernise a multi-family building?
EcoFuture Solutions combines energy advisory, funding strategy and technical implementation support for residential buildings and property portfolios.
