Regensburg Allows Solar Panels on Main Buildings in Heritage Ganghofer-Siedlung
The City Planning Office of Regensburg has amended the design ordinance for the heritage-protected Ganghofer-Siedlung, now allowing solar energy systems on main buildings under specific conditions. This update, effective June 26, 2025, expands the 2020 ordinance that permitted solar facilities on extension buildings.
Initially, solar energy facilities and collectors were only allowed on the roofs of extension buildings in the Ganghofersiedlung with a permit under heritage protection law, starting from 2020. The latest amendment extends this permission to main buildings, provided they meet the ordinance's design requirements.
Specific rules apply to the installation of solar modules. On hipped roofs, they can be installed in a parallel orientation, forming a centered, rectangular band with a minimum distance of 30 centimeters from the ridge and eaves. Solar roof tiles in gray are fully permitted on hipped roofs. On balconies, solar energy facilities are only permitted vertically and parallel to the parapet, executed and maintained in black.
The height of the facilities must not exceed the attic of the building. Modules and collectors should match the roof covering's color tone or be full black for gray roof coverings.
The City of Regensburg's latest amendment to the Ganghofer-Siedlung design ordinance, enacted on June 26, 2025, enables the installation of solar energy systems on main buildings while preserving the settlement's heritage. This update promotes sustainable energy use while maintaining the architectural integrity of the protected ensemble.
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