KfW 261 — Wohngebäude-Kredit BEG (Loan + Tilgungszuschuss)
Funds Low-interest renovation loan with principal forgiveness for residential buildings reaching Effizienzhaus standard.
KfW 261 — Wohngebäude-Kredit BEG sits inside KfW Bankengruppe's Federal Funding for Efficient Buildings framework for Germany's existing housing stock. It finances renovation or purchase work on residential buildings that can be lifted to a higher efficiency standard, with a subsidized loan of up to EUR 150,000 per dwelling and a repayment subsidy that rises with the achieved Effizienzhaus tier. The strongest cases combine the base subsidy with bonuses for EE-Klasse, NH-Klasse, worst-performing buildings, or serial renovation, so the program rewards deep upgrades rather than narrow repairs. The financing route runs through a Hausbank, not through a direct KfW application, and a certified energy efficiency expert must provide the pre- and post-completion confirmations before the subsidy is released. The building must be at least five years old, which keeps the program focused on existing homes rather than new construction. That structure makes the program practical for owner-occupiers and other residential property holders who can assemble a bankable renovation plan and document the standard they intend to reach. KfW and the federal housing and economic ministries use BEG to push climate-friendly building upgrades under Germany's 2030 climate policy framework. KfW 261 is strongest where the applicant already has a clear energy target, a technical path for reaching it, and a financing partner willing to package the loan and subsidy together. It suits projects that are planned in detail before construction begins and then closed out with the expert certification needed to unlock the repayment subsidy.
Each grant below is a distinct funding opportunity with its own eligibility, scope, and deliverables.