UK 2026 · SAP Methodology
EPC Rating Calculator
Estimate your property's Energy Performance Certificate band instantly. Get personalised improvement recommendations with projected costs and savings.
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Property2
Insulation3
Windows4
Heating5
RenewablesProperty Details
Basic information about your home
m²
Insulation
Loft, wall, floor and draught proofing
Windows & Doors
Glazing type and external door quality
Heating & Hot Water
Heating system, controls and fuel type
Renewables & Lighting
Green technology and efficiency upgrades
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Band —
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Est. Annual Energy Bill
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CO₂ Emissions (kg/yr)
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Potential Rating
Recommended Improvements
Improvement
SAP Points
Est. Cost
Annual Saving
🎯 Path to Target Band
This calculator provides an estimate only, based on simplified SAP (Standard Assessment Procedure) methodology. An official EPC must be carried out by an accredited Domestic Energy Assessor. Results are for guidance only and not a substitute for a formal assessment. EPC certificates are valid for 10 years in the UK.
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