Yes — and the numbers prove it.
More UK buyers are looking for energy-efficient homes, and the data shows it: properties with a higher EPC ratingsell faster and for more than similar homes with lower efficiency.
Improving your home’s insulation, heating system, and renewable energy sources doesn’t just save you money while you live there — it adds real value when you sell.
What the Data Says
EPC Rating |
Average Price Increase Sell Time |
Low-EPC Homes |
| A or B | Up to +14% | 20% faster |
| C | +5–8% | Moderate improvement |
| D or below | Baseline | Often harder to finance |
Source: Rightmove, ONS, and BEIS housing data (2022–2024)
Why Buyers Pay More for Efficient Homes
- Lower energy bills (especially important during periods of high energy prices)
- Improved comfort throughout the year
- Smart technology and low-carbon heating already installed
- Future-proofed against increasingly strict energy efficiency regulations
- Potential access to attractive mortgage incentives, including green mortgages
Key Upgrades That Improve EPC Ratings
Measure |
EPC Impact |
Extra Benefit |
| Loft Insulation | +1–2 bands possible | Quickest, cheapest improvement |
| Heat Pump | Major leap to B or A | High savings, eligible for grants |
| Windows & Doors | Small jump | Comfort, soundproofing |
| Solar PV | Moderate band boos | Adds SEG income + decarbonisation |
| Smart Boiler | Band improvement | Affordable, fast install |
Ventilation Measures Helps maintain air quality PAS 2035 compliant
Retrofit Example: Value Added
Case Study:
- 3-bed semi-detached home in Surrey
- EPC upgraded from D to B
- Retrofit included loft insulation, a heat pump, and new windows
- Energy bills reduced by £700 per year
- Property sold for £18,000 more than its pre-retrofit valuation
Case Study:
- 3-bed semi-detached home in Surrey
- EPC improved from D to B
- Retrofit included loft insulation, a heat pump, and new windows
- Annual energy bills reduced by £700
- Property sold for £18,000 more than its pre-retrofit valuation
Can I get an EPC assessment from EcoGlow?
Yes — we offer standalone or post-upgrade EPC reports.
How do I know what upgrades will increase my EPC most?
We’ll assess and recommend a path based on property type and current performance.
Will my estate agent value the home higher with upgrades?
Absolutely. Most agents reference EPC band as part of valuation reports.