EPC Calculator

Calculate your property's EPC rating with detailed energy analysis and improvement recommendations.

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About This Tool

This online EPC calculator helps you determine your property's Energy Performance Certificate rating based on property details, energy consumption, and renewable energy sources. It provides an energy efficiency score (A-G), estimated CO2 emissions, and personalized recommendations to improve your rating. The tool is fully client-side, ensuring fast and secure calculations without server processing.

Save your calculation history with a free account

How to Use

Enter property details like area, construction year, and insulation levels.
Input annual energy consumption for electricity, gas, and other fuels.
Specify any renewable energy sources (solar panels, heat pumps, etc.).
Click 'Calculate EPC' to get your rating, efficiency score, and recommendations.
Review the detailed breakdown and suggestions to improve energy efficiency.

Frequently Asked Questions

Find Quick Answers

What is an EPC rating?

An Energy Performance Certificate (EPC) rating is a standard measure of a property's energy efficiency, ranging from A (most efficient) to G (least efficient). It's used to assess energy use and carbon emissions.

How accurate is this calculator?

This calculator provides an estimate based on standard energy models. For official EPC certification, consult a qualified energy assessor who can conduct an on-site assessment.

Can I save my results?

Results are displayed in your browser and can be copied or printed. The tool does not store data permanently, ensuring privacy.

Need to run multiple calculations?

Create a free account today to unlock unlimited daily runs, access advanced parameters, save your history, and request custom features.

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