Important Note The Brownfield data was handed over from LDA to the Homes and Communities Agency so that HCA could maintain it as part of the National Land Use Database (NLUD). The HCA’s online mapping site displays a points only version of NLUD from 2010 (password protected): The links to the files below will remain here as a matter of historical record. Polygons showing the boundaries of Brownfield land in London along with thei...