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Constraint Severity Index
Composite scoring of your site constraints. Understand how Green Belt, heritage, ecology, flooding and other designations stack up.
Available: green_belt, conservation_area, listed_building, tpo, flood_zone_2, flood_zone_3, flood_zone_3b, sssi, ancient_woodland, aonb, national_park, scheduled_monument, article_4, contaminated_land, air_quality, noise, local_wildlife, bat_survey, great_crested_newt, badger_sett, ramsar, sac, spa
About this tool: Constraints
Composite constraint scoring — checks Green Belt, heritage, ecology, flood, Article 4, settlement boundaries, and other designation overlaps in one pass.
When to use it
Use at the very start of a project to get a quick overview of all constraints affecting your site before diving into individual assessments.
Policy and guidance it draws on
Multiple — cross-references all relevant NPPF sections
Part of Site Intelligence
Use these tools early in your project to understand what environmental, heritage, and ecological constraints affect your site. The results will determine which technical reports you need and shape your application strategy.
Related tools
Flood Risk AssessmentFlood ScreeningContaminationGround StabilityEcologyBNG CalculatorTreesHeritageGuidance to help you prepare — not formal planning advice. Check the current policy text and your council's local plan before relying on it.