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Wind & Microclimate Assessment
Lawson Comfort Criteria & CIBSE Wind Environment Analysis
5
Comfort Categories
Lawson
LDDC Framework
0-12
Beaufort Scale
Building Details
Site Context
Select all applicable conditions:
Proposed Mitigation
Select mitigation measures to implement:
Comfort Assessment
Wind Effects & Aerodynamic Phenomena
Sensitive Receptor Assessment
Beaufort Scale Equivalent
Mitigation Effectiveness
Key Recommendations
About this tool: Wind & Microclimate
Lawson comfort criteria screening — pedestrian wind comfort and safety, downdraught and wind-tunnelling risk around taller or exposed buildings.
When to use it
Use for tall buildings or schemes whose massing could create uncomfortable or unsafe wind conditions at ground level.
Policy and guidance it draws on
Lawson Comfort Criteria, City of London Wind Microclimate Guidelines
Part of Environmental Intelligence
Use these tools when preparing technical reports and compliance documentation. Many of these are validation requirements — submit without them and your application will be returned. Use the Validation Pre-Flight tool to check which ones you actually need.
Related tools
Energy StatementSustainabilityDrainage StrategyFire SafetyWater EfficiencyWaste ManagementOverheatingOdour ImpactGuidance to help you prepare — not formal planning advice. Check the current policy text and your council's local plan before relying on it.