Maplify / Topic guide
Green Belt and Planning Policy
Understand Green Belt boundaries, local plans, grey belt assessments and development feasibility.
Maplify information and published data are for screening; confirm the current official record for a specific site.
Explore verified data and research
Use the following published Maplify resources to distinguish the underlying designation, the mapped evidence, and the separate decision-making requirements for individual sites.
Research method and data limitations
Official map layers differ by geography, legislation, update cycle and accuracy. Review the named publisher, release version and relevant local authority policy before treating a designation as current. Two overlapping layers can be legally distinct and should never be added into a fabricated 'planning refusal percentage'.