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04.11.2025: Submit application by 31.12.2025 and secure funding

The year 2025 is drawing to a close and the City of Aachen has once again received over 300 applications for funding for energy-saving measures this year. If you are planning a refurbishment measure, you still have the opportunity to secure funding for energy-saving measures in the City of Aachen's buildings.

All applications received via the service portal by 31.12.2025 can still be processed with the current budget funds from 2025. If the review is successful, a funding decision can be issued promptly. The prerequisite is that all required documents are submitted via the service portal before the deadline and the budget funds are not exhausted before then.
Therefore, submit your application as soon as possible and secure the funding for your project.

For applications submitted from 01.01.2026, the following applies: after receipt of the application, you will receive a confirmation with the possibility of starting the measure. However, you can only be assured of a funding commitment in the form of a funding decision once the 2026 budget has been approved. This is expected for the end to mid-May 2026 at the earliest. Information on this will follow.

Under Downloads you will find the current funding guidelines and an overview of the funded measures. Please read the information under "Conditions and application" before submitting your application.

If you have any questions about the funding program, please call us during office hours or send them to altbau@mail.aachen.de. Do you still have general questions about refurbishment and funding opportunities? Then you can contact Altbau plus e.V. for initial advice.

05.06.2025: Once the 2025 municipal budget has been approved, the applications submitted can be processed again.

After application processing was initially stopped on December 31, 2024, the applications are now being processed again. The grant notifications for the applications submitted in 2025 will be processed promptly and in the order in which the applications are received. Please understand that processing may take some time. At present, you should expect to wait several months.

Furthermore, you will receive the "Approval for early start of measures" in the service portal shortly after submitting your application so that you can start implementing your planned measures and comply with the guideline requirement of "submitting the application before the start of the measure".

Please note: Approval of the early start of measures does not constitute a funding commitment.

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