🏡 How Efficient Are UK Homes? A Closer Look at EPC Ratings Across the Country.
A new study by rental brand UNCLE has revealed a stark reality about the state of energy efficiency in UK homes — and the results may surprise you.
More than 15 million homes across the country have an Energy Performance Certificate (EPC) rating of D or below, raising concerns about rising energy costs, environmental impact, and the long-term viability of older housing stock.
⚡ The UK’s EPC Scorecard
On average, UK homes hold an EPC rating of 68, equivalent to a mid-level band D — falling short of the government’s past targets to raise standards in the private rented sector.
Only 0.4% of properties, around 99,000 homes, currently achieve the top A rating, underlining how rare truly energy-efficient homes are in the current market.
🏆 Where Are the Most Efficient Homes?
The study examined properties in the UK’s 30 most populated cities, and the results show that newer housing stock is leading the way.
🔝 Top 5 Areas for Energy Efficiency (A-C rated homes):
Location % A-C Rated Homes
Milton Keynes 60.3%
Peterborough 55.6%
Westminster 54.5%
Crawley 54.4%
Cambridge 54.1%
Milton Keynes came out on top, with over 60% of homes rated C or above — largely thanks to the area's surge in modern developments. With thousands of new-builds constructed over the past decade, and a further 3,500 new homes in the pipeline, it’s no surprise that energy performance is high.
⚠️ Where Are Homes Struggling the Most?
In contrast, older housing stock and limited investment in insulation or energy upgrades are leaving some cities behind.
⛔ Bottom 5 Areas for Energy Efficiency (D-G rated homes):
Location % D-G Rated Homes
Blackpool 74.1%
Southend-on-Sea 69.7%
Bradford 68.8%
Stoke-on-Trent 64.1%
Birmingham 64.0%
Blackpool was named the least energy-efficient location, with nearly three-quarters of homes rated D or worse. This highlights a potential opportunity — or risk — for landlords and buyers depending on future regulatory changes.
🔍 Why Does It Matter?
EPC ratings are becoming more important than ever:
Rising Energy Costs: Poor energy efficiency directly impacts utility bills.
Regulations: The government is continuing to push for higher standards in the rental sector, with future changes likely.
Market Value: Buyers and renters are increasingly prioritising energy-efficient homes.
For landlords in particular, ensuring your property meets a minimum EPC rating of C may become a legal requirement in coming years — and could impact your ability to let the property.
🛠 What Can Be Done?
If your Property has a D rating or below, you might want to consider:
Upgrading insulation (walls, roof, floors)
Replacing old boilers with energy-efficient models
Installing double or triple glazing
Using smart thermostats and energy-saving lighting
💬 Need Advice on Your EPC?
At Mannleys, we can help you understand your EPC, identify cost-effective improvements, and guide you through the changing regulatory landscape — whether you’re a landlord, homeowner, or investor.
📞 Get in touch today for tailored advice 01952 245064