Improve EPC rating
Improving Your Home's EPC Rating: Practical Steps to Boost Your Property’s Energy Efficiency
Your Energy Performance Certificate (EPC) rating is important whether it comes to selling, renting, or just making your house more energy-efficient. A higher EPC score means lower energy bills, better comfort, and increased property value. Whether you are a domestic energy assessor in Birmingham, a landlord, or a homeowner, it is crucial to understand how to raise your EPC rating with practical improvements.
From simple, low-cost tweaks to significant upgrades, this guide offers doable, actionable enhancements and explains how each step positively raises your EPC score.
What Is an EPC Rating and Why Does It Matter?
An EPC gives your property an energy efficiency score from A (most efficient) to G (least efficient). Heating, insulation, lighting, ventilation, and the type of structure are some of the things it takes into account.
Raising this rating not only helps the environment, but it also has a number of other benefits:
Lower monthly energy bills
Improved comfort and warmth
Higher property value
Compliance with rental regulations
Access to government funding schemes for energy-efficient upgrades
With higher energy standards becoming the norm—especially for new build EPC requirements—boosting your property’s rating is more important than ever.
Low-Cost Improvements to Improve Your EPC Rating
LEDs are listed as positive improvements under EPC recommendations. Since lighting efficiency is directly measured, making this change can add a few points to your overall score.
1. Switch to LED Lighting
Lighting may seem minor, but it counts in your EPC calculation. Replacing outdated bulbs with LED lights improves efficiency, reduces heat loss, and contributes to a better score.
Impact on EPC Score:
LEDs are listed as positive improvements under EPC recommendations. Since lighting efficiency is directly measured, making this change can add a few points to your overall score.
2. Draught-Proofing Doors and Windows
Cold air entering your home forces your heating system to work harder. Draught-proofing is a simple yet effective solution. Use sealing strips, foam insulation, and brushes for doors and window edges to reduce heat loss.
Impact on EPC Score:
Lower heat loss = lower energy consumption, which is reflected in EPC data. This is one of the most cost-efficient fixes with a fast return.
3. Smart Thermostats and Heating Controls
Installing programmable thermostats lets you control your heating more effectively. They ensure you heat only the rooms you need, for the duration required.
Impact on EPC Score:
Better heating control increases system efficiency. Assessors often mark this as a beneficial improvement in the EPC inspection checklist.
Medium-Cost Improvements to Improve EPC Score
Once the basic fixes are done, consider mid-level upgrades that significantly boost energy efficiency.
4. Improve Loft Insulation
Heat naturally rises, and without good insulation, up to 25% of warmth can escape the new build epc through your roof.
Aim for 270mm of insulation, which is the recommended standard in the UK.
Impact on EPC Score:
This upgrade often adds several points to your EPC rating because insulation directly affects the energy-loss calculation.
5. Wall Insulation: Cavity or Solid Wall
Depending on your property type:
Cavity wall insulation is affordable and highly effective.
Solid-wall insulation is more expensive but dramatically reduces heat loss.
Impact on EPC Score:
Properties with proper wall insulation score substantially higher on EPC assessments due to reduced heat-transfer rates.
6. Upgrade to Double or Triple Glazing
Older single-glazed windows allow heat to escape quickly. Upgrading to double or triple glazing improves heat retention, reduces noise, and lowers bills.
Impact on EPC Score:
Glazing contributes to the thermal efficiency section of EPC calculation, and upgraded windows can improve a property’s banding.
Major Upgrades That Significantly Boost EPC Rating
These require investment but offer the biggest improvements in efficiency and overall comfort.
7. Replace an Old Boiler With an Efficient System
The heating system is one of the biggest influencers on your EPC score.
Replace older G-rated boilers with a modern A-rated condensing boiler or renewable alternatives like air-source heat pumps.
Impact on EPC Score:
A new heating system can dramatically increase your EPC rating—often enough to raise your property by one or even two bands.
8. Install Renewable Energy Sources
Solar panels, solar thermal systems, and heat pumps significantly reduce grid dependency and energy consumption.
Impact on EPC Score:
Renewable installations are highly rated in EPC recommendations eco lists. They contribute positively to future energy-cost assessments.
9. Floor Insulation for Older Properties
Timber floors in period homes often allow cold air to travel underneath. Insulating them prevents heat loss and makes indoor spaces more comfortable.
Impact on EPC Score:
Floor insulation is included in the EPC calculation under thermal efficiency, offering a measurable improvement.
How Assessors Judge Your Home: Understanding the EPC Inspection Checklist
To make the right upgrades, it helps to understand what professional assessors look for. A standard EPC inspection checklist includes:
Heating system efficiency
Water heating
Wall, loft, and floor insulation levels
Window type (single, double, triple glazing)
Lighting efficiency (LED vs old bulbs)
Ventilation and air tightness
Construction materials
Presence of renewable energy systems
Being prepared can help ensure your EPC reflects your improvements accurately.
Government Funding Schemes That Can Help
Improving your home’s EPC rating doesn’t always require paying everything out of pocket.
UK government-backed schemes may provide partial or full funding for:
Heat pump installations
Boiler upgrades
Solar panels
Wall and loft insulation
Low-income household energy improvements
These grants and schemes make it easier to invest in energy efficiency, especially for landlords and homeowners aiming to move up to Band C or higher.
New Build EPC Standards: What You Should Know
If you are constructing a new property, new build EPC requirements are even stricter. Builders must ensure:
High insulation levels
Efficient heating systems
Low-carbon design choices
Proper ventilation strategies
Compliance with energy-efficiency building regulations
Following these from the planning stage makes achieving an A or B rating much easier.
Conclusion
Improving your home’s EPC rating is one of the smartest long-term investments you can make. Whether you’re aiming to reduce bills, raise property value, or comply with government standards, the steps outlined—from simple fixes like epc light upgrades to major renovations—can significantly boost your EPC score.
By following these practical recommendations, reviewing the EPC inspection checklist, and taking advantage of government funding schemes, you can transform your home into a more efficient, comfortable, and eco-friendly space.

