Now there is a possibility that in ten years' time a twin town is to be built on the north-western outskirts of the capital called Chrzanów. About a year ago the Polish Association of Developers signed a cooperation agreement with the City of Warsaw. The aims of the agreement were as follows: sustainable spatial planning, to cooperate over the image of Warsaw, to solve problems that may arise between the investor and the city administration, to set out principles of cooperation for the implementation of the urban infrastructure related to residential construction, to improve the quality of architectural designs, and to solve problems related to public and welfare housing. The first to be discussed was the zoning plan for an agricultural area in Bemowo district - Chrzanów. Six developers are currently involved in the project, which is eventually to be developed on an area of 240 ha (it was only possible to change the status of the farmland in 2009). Together the Polish Association of