An Energy Performance Certificate (EPC) is based on detailed inspection criteria set by the UK government. The assessment evaluates how energy-efficient a property is and provides a rating from A (most efficient) to G (least efficient).

Below are the key EPC assessment criteria:

🏠 1. Property Construction and Fabric

• Wall type (solid, cavity, insulated or not)

• Roof structure and insulation

• Floor type and insulation

• Building age and materials used

• Window type (single, double, triple glazing)

🌡️ 2. Heating Systems

• Type of boiler or heating system

• Fuel type used (gas, electric, oil, renewable)

• Age and efficiency of the heating system

• Presence of heating controls like thermostats, timers, TRVs

💡 3. Lighting

• Number and type of light bulbs

• Use of energy-efficient (LED or CFL) lighting fixtures

🌬️ 4. Ventilation and Air Tightness

• Use of mechanical ventilation systems

• Presence of draught-proofing

• Natural ventilation (e.g., trickle vents)

☀️ 5. Renewable Energy Technologies

• Solar panels (PV) for electricity

• Solar thermal systems for hot water

• Heat pumps, biomass boilers, or other renewables

📈 6. Hot Water Systems

• Type of water heating system

• Cylinder insulation and efficiency

• Control systems for hot water

📊 7. Energy Efficiency Measures

• Insulation upgrades (loft, cavity wall)

• Glazing improvements

• Smart thermostats or controls

📝 Final EPC Report Includes:

• Current and potential EPC ratings

• Recommendations for improvements

• Estimated energy use and CO₂ emissions

• Estimated annual energy costs

📍 Need a Certified EPC Assessment?

Whether you’re selling, letting, or just improving your energy performance, we’re here to help.

👉 Learn more about Residential EPCs
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