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Tall Buildings Assessment
NPPF & Historic England Tall Building Policy Screening
NPPF DP3
Policy Framework
Design Quality
Assessment Tool
Skyline Impact
Analysis
Building Classification
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Assessment Category
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Compliance Score
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Policy Assessment
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Design Quality Assessment
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Heritage Sensitivity Analysis
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Required Technical Studies
NPPF Policy DP3 Compliance Notes
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Key Recommendations
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About this tool: Tall Buildings
NPPF DP3 tall buildings assessment — height ratio analysis, design quality criteria, heritage sensitivity, skyline impact, and wind/microclimate triggers.
When to use it
Use when your building is significantly taller than its surroundings or exceeds the local plan definition of "tall" (varies by authority).
Policy and guidance it draws on
NPPF design policy DP3, Historic England Tall Buildings Advice Note 4
Part of Design Intelligence
Use these tools when designing your scheme or reviewing drawings. They help ensure your proposal meets technical standards before submission, reducing the risk of officer objections on design grounds.
Related tools
Space StandardsDaylight & SunlightParkingPrivacy & SeparationDensityAccessibilityDesign CodeDaylight & Sunlight AssessmentGuidance to help you prepare — not formal planning advice. Check the current policy text and your council's local plan before relying on it.