Law & Politics
Milieu protection, building regulations, landlord-tenant law and policy decisions shaping Berlin's real estate market. Interpreted from owner and investor perspectives.
Conversion ban in Berlin
Section 250 BauGB: What the extended conversion ban means for owners and investors in Berlin
The conversion ban under Section 250 BauGB remains in force – and as of 30 October 2025 it was not only extended but also amended in substance. What owners of apartment buildings in Berlin now need to know, and what options the new law opens up.
Dr. Cornelius Pfisterer Berlin Pre-Emption Right
Berlin's Municipal Right of First Refusal
How Berlin boroughs used their municipal right of first refusal in conservation areas and what the Federal Administrative Court's 2021 ruling changed.
Peter Guthmann Energy regulation 2026
From GEG to Building Modernization Act: what changes for Berlin property owners
The German government is replacing the Building Energy Act with a new Building Modernization Act. The 65 percent renewable heating mandate ends, a green gas quota takes its place. What owners and investors in Berlin should know.
Peter Guthmann Latest articles
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