After the success of phases 1 & 2, Prohuis is starting phases 3 & 4 at Cornelisland business park in Ridderkerk. There will be a total of 9 sustainable business/office units. Sustainability played an important role in the design of this business building. Extra attention was given to the thermal insulation of the building, PV panels and heat pumps. In short, ideal for the entrepreneur looking for environmentally friendly housing.