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Heritage Impact Assessment
NPPF Section 16 & Historic England GPA 2/3 Heritage Significance Analysis
About this tool: Heritage
Heritage Impact Assessment wizard — significance assessment, impact analysis, harm level determination, and public benefit test under NPPF heritage policies HE5-HE7.
When to use it
Use when your site is within or near a conservation area, listed building, scheduled monument, or registered park/garden.
Policy and guidance it draws on
NPPF heritage policies HE1-HE10, Planning (Listed Buildings and Conservation Areas) Act 1990
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 CalculatorTreesArchaeologyGuidance to help you prepare — not formal planning advice. Check the current policy text and your council's local plan before relying on it.