German telecommunications company E-Plus plans to build its new German headquarters in the Quartier N business district at Dusseldorf airport. The 30,000 m[sup]2[/sup] premises is due for completion at the end of 2008. E-Plus is the third company to move into Quartier N after retailer C&A and software company CapGemini. Architectural firm Bothe Richter Teherani drew up the urban framework for the conversion of the 16-hectare business district.