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In February 2012 KARLÍN GROUP finished the construction of KEYSTONE office building. The project was successfully inspected and approved as fit for occupancy. Towering as a new highlight of the district, the architecturally unique KEYSTONE building, a modern interpretation of Czech cubism, was built at the edge of Karlín´s historically developed area at the corner of Pobřežní and Šaldova Streets. The project features the inimitable architectural style of the Swiss architects Mathias Müller and Daniel Niggli of the internationally recognized Swiss architectural studio EM2N ( The construction of the building, including an overall area of 6,500 square meters of office and commercial space of the highest standard, was launched in March 2010. The Průmstav a.s. company, a member of the Vinci Construction Group, had rented almost the entire building already during the project’s implementation, and it was subsequently purchased by the GLL Real Estate Partners fund.

The eight-story KEYSTONE building meets all the requirements for modern office premises. Thanks to the selection of materials, the precision of workmanship of its architectural details in the common spaces, or the design of the reception area, the building figures prominently among the highest-quality recent realizations. In addition to office space, the building also offers 850 square meters of retail space and parking places on the underground levels.

“We are convinced of the unique nature of the KEYSTONE project, both in commercial and architectural terms. Also, in this new project the KARLÍN GROUP traditionally sought to attain a balance of all aspects of quality architecture. Its contribution to this city district and respect for the environment was of fundamental importance to us.

“By finishing the KEYSTONE project, we have moved a step forward in our efforts to implement our long-standing intention of revitalizing the Karlín district, “ says Serge Borenstein, the president of the KARLÍN GROUP.

The project’s overall costs totaled almost 500 million CZK. The project was financed by UniCredit Bank. The construction work was provided by the company Průmstav a.s. In addition to the KARLÍN GROUP team and Cornerstone, the companies AED project, MDA Praha and 3L Studio were involved in the project implementation.