50735 Cologne-Niehl: Redevelopment and addition of 11 apartment blocks with rental apartments. 300 flats before refurbishment, 345 flats after refurbishment. Average 47 m² before refurbishment, approx. 55 m² after refurbishment. Architecture: ARCHPLAN Münster. Client: State development company (LEG Wohnen NRW). Completion: 2010