If your Energy Performance Certificate (EPC) score is lower than you’d like, you don’t need a full renovation to improve it.
There are simple, cost-effective upgrades that can significantly increase your rating — and boost your property’s value in the process.
In this guide, we reveal the top EPC hacks that deliver big results with minimal effort.
🧠 Why Your EPC Rating Matters More Than Ever
Whether you’re a homeowner, landlord, or property investor, your EPC rating directly affects:
Resale and rental value
MEES legal compliance
Attractiveness to eco-conscious buyers or tenants
Energy cost projections
Even a small improvement in your EPC band (e.g., from D to C) can make your property more competitive and compliant.
🔧 Quick EPC Hacks With High Impact
Here are the smartest low- to medium-cost tweaks to boost your EPC fast:
1. Switch to LED Lighting Throughout
💡 Why it works: LED lights use up to 80% less energy than halogen bulbs.
📈 EPC impact: Considered a standard recommendation — quick and easy points.
💷 Cost: £50–£100 for a full home switch.
2. Top Up Your Loft Insulation
🛏️ Why it works: The most efficient energy savings come from heat retention.
📈 EPC impact: Loft insulation is one of the biggest rating boosters.
💷 Cost: £300–£400 (or less with grants); aim for 270mm depth.
3. Seal Draughts Around Doors & Windows
🪟 Why it works: Air leaks = heat loss = wasted energy.
📈 EPC impact: Small tweaks add up; improves airtightness score.
💷 Cost: Less than £50 with DIY kits.
4. Install a Smart Thermostat
📱 Why it works: Better control = reduced wastage.
📈 EPC impact: May improve heating efficiency classification.
💷 Cost: £150–£250.
5. Upgrade to a Condensing Boiler
🔥 Why it works: New boilers are dramatically more efficient.
📈 EPC impact: Replacing a G-rated boiler can jump your rating by a full band.
💷 Cost: £1,500–£3,000 (biggest investment, biggest gain).
6. Add Hot Water Cylinder Insulation
🚿 Why it works: Stops heat loss from stored water.
📈 EPC impact: Quick win if your tank is uninsulated or below 80mm.
💷 Cost: £20–£40.
7. Install Room Thermostats and TRVs
🌡️ Why it works: Zoning improves heat distribution and efficiency.
📈 EPC impact: Boosts control rating section.
💷 Cost: £150–£300.
🏠 Bonus Tip: Document Everything
When you book your EPC, ensure you have proof of all upgrades — photos, invoices, or install certificates.
🔍 If the assessor can’t verify it, they legally have to ignore it.
⚡ EPC Upgrades Don’t Have to Be Expensive
Think of EPC improvement like tuning a car — a few adjustments can make it run cleaner, faster, and more efficiently, without buying a whole new vehicle.
📍 At EPCrate.co.uk, We Help You Improve & Certify
✅ Get an EPC assessment with actionable upgrade advice
🔁 Book a reassessment after improvements
🛠️ Ask about our upgrade guidance packages
👉 Book your EPC now and take the first step toward a better rating — and a more valuable property.
📝 Final Thought
EPC upgrades aren’t just about compliance — they’re an investment in comfort, cost savings, and property value.
With a few smart tweaks, you can climb the rating ladder without breaking the bank.