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licence:ogl-v3|maintainer:GLA Planning|maintainer_email:[email protected]|author:GLA Planning|author_email:[email protected]|description:"Sites of Importance for Nature Conservation (SINCs) are sites that are of particular importance to wildlife and biodiversity. SINCs receive a high level of protection from development within the planning system. There are three tiers of SINCs: Sites of Metropolitan Importance, Sites of Borough Importance and Sites of Local Importance. The GIS files show the indicative boundaries, please contact the relevant London Borough to confirm accuracy. NOTE: The boundaries are based on Ordnance Survey mapping and the data is published under Ordnance Survey's 'presumption to publish'.Contains OS data © Crown copyright and database rights 2019."|update_frequency:ad-hoc|tags:[planningconstraintsmap|MapLondon]|london_smallest_geography:Custom Polygons|topics:[Planning|Housing|Environment] |