This article asks for three questions to be answered; the first part asks whether the government should be creating and managing a 3-D digital survey of the built environment, the second part asks what uses could be derived from it and third part asks who will benefit from this. Recently Geographic Information Systems have been used “to read and analyse map data”, this has been recorded as 2D information over the last ten years (Ordnance Survey, 2015).  However, government departments currently record geographic data as layers that could include 3 data and the complexities of topography with geographic information systems … Continue reading 3D #GIS and #BIM – benefits and complexities