Habitatges a Viikki, Helsinki
76437 Rastatt: six urban villas with 82 apartments and a commercial unit that can also be used as a home office. Total area of 52,000 m². Rainwater concept, green roofs, CHP connection, KfW 70 standard, healthy building materials. Completion: 2019
50374 Erftstadt: New construction, 2 developers, 53 units (32 units in detached and semi-detached houses; 21 units in multi-family houses (subsidized housing), building area: 5 ha. Completion: 2015
30659 Hanover-BothfeldPlanning: Bookhoff und Rentrop, 69 flats, very high share of own work, grass roof, construction costs: 550 Euro/m² (without own work share), total construction costs: 950 Euro/m², occupation: 1984 to 1987
AT - 8283 Bad Blumau: the buildings are partly realised with recycled building materials, the whole resort is supplied with emission-free electricity and heat, which is generated in a geothermal plant. The resort was designed by Friedensreich Hundertwasser. Completion: 1997
