Energy & Carbon Statement
Part L 2021, Future Homes Standard, and energy hierarchy assessment for planning
About this tool: Energy Statement
Energy hierarchy assessment (Be Lean/Clean/Green/Seen) — Part L 2021 compliance, CO₂ reduction calculations, EPC estimates, and renewable energy sizing.
Required for major applications in most authorities. Also needed where local plan policies set carbon reduction targets beyond Building Regulations.
Building Regs Part L 2021, Local Plan energy policies
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.
Guidance to help you prepare — not formal planning advice. Check the current policy text and your council's local plan before relying on it.