The new integrated Impact Analysis Tool (iIAT) synthesises the modelling results from the impact analysis of land use changes of the EU-project PLUREL on periurban land use relationships and the effects of peri-urban land use change; www.plurel.net) into one stand-alone tool. It facilitates the integration of manifold aspects of problems of land use (change) and its functions and services related to urbanisation. It further considers conflicts of interest of different stakeholders such as residents, planners or developers within a planning process. The iIAT covers all dimensions of sustainability, namely the economic, the social and the environmental. Based on land use change maps, economic, social and environmental impacts are evaluated in terms of their sustainability impact using a range of indicators. The iIAT is an internet-accessible tool that displays results in form of sustainability spidergrams, which provide a surface that enables an easy and holistic perception of multilevel information on land use change impacts. The PLUREL iIAT consists of two modules: the iIAT-EU and the iIAT-Region. Hence, it covers two spatial levels: the EU27 and the regional (urban region) level. Being user determined, e.g. by displaying comparative spidergrams for different land use scenarios or for urban regions across Europe, the tool facilitates discussions for heterogeneous user groups ranging from an EU policy assistant to a regional or local planner. The paper presents the prototype version of the iIAT.