Underused areas

Areas within the already existing morphological boundaries of urban agglomerations, which contain a lot of vacant buildings, unused sites and/or have a lot of inefficient land use (such as big one story supermarkets, with large outdoor parking spaces near the city centre). Agricultural land and greenfields within the urban fabric are not counted as underused (i.e. community gardens; allotment plots; fields surrounded by urban expansion and still exploited; etc.).