SQUARE, Mannheim

The conversion of the former Benjamin Franklin barracks into a sustainable residential and Commercial district marks a step into the future for the city of Mannheim, undertaken in partnership with Drees & Sommer.

Building on climate protection goals, the modern pecinct will feature innovations in the areas of energy efficiency, energy generation, smart grids and electromobility.

Key project data


GBG - Mannheimer Wohnungsbaugesellschaft mbH


ap88 architekten partnerschaft bellm, löffel, lubs, trager freie architekten bda

Project duration:

03/2015 - 12/2022


7.274 m²

Gross volume:

20.458 m³

Rental area:

4.574 m²



Services provided

  • General Construction Management (GCM) mit engergy management und -monitoring
  • Building physics
  • Building ecology
  • Cradle to Cradle (C2C)
  • Building services equipment (BSE)
  • Energy design
  • Structural engineering
  • Construction management

Location map