Energy Performance Certificates (EPCs) are surrounded by misinformation — and believing the wrong things about them is quietly costing UK homeowners thousands of pounds in lost value, unnecessary upgrades, and bad decisions.
Let’s expose the most expensive EPC myths, what the truth really is, and how to protect yourself.
Myth 1: “A Low EPC Means My Home Is Poor Quality”
False.
A low EPC does not mean your home is badly built or uncomfortable.
It means:
The building fabric and systems score lower under SAP modelling
The home may be older or traditionally constructed
Some upgrades haven’t been recorded or verified
Many solid, beautiful homes score poorly simply because of age or lack of documentation.
If you’re unsure what your EPC really reflects, speak with an accredited EPC Assessor in London before making assumptions.
Myth 2: “I Have to Do All the Recommended Improvements”
False.
EPC recommendations are advisory, not mandatory (except where rental regulations apply).
You are not legally required to:
Install everything on the list
Reach a specific rating to sell
Follow recommendations blindly
You should only upgrade where it makes financial or practical sense.
Myth 3: “Upgrading Always Increases My Property Value”
Not always.
Some upgrades cost more than they return in added value — especially rushed or poorly targeted ones.
Spending £12,000 on upgrades to gain £5,000 in sale price is a net loss.
Smart owners upgrade selectively, based on cost-to-value ratio.
You can assess this properly by checking upgrade costs and EPC impacts via transparent EPC pricing and expert guidance.
Myth 4: “I Can’t Sell With a Low EPC”
False.
You can sell a home with any EPC rating — even F or G.
Restrictions apply to renting, not selling.
A low EPC affects:
Buyer perception
Mortgage eligibility
Negotiation leverage
But it does not legally block the sale.
Myth 5: “My EPC Shows My Actual Energy Use”
False.
Your EPC does not measure:
Your bills
Your habits
Your occupancy
Your tariff
It models a standardised version of your building — not your lifestyle.
Two identical EPCs can have totally different running costs.
Myth 6: “Once I Have an EPC, I Don’t Need to Think About It Again”
Wrong — and expensive.
Ignoring your EPC can lead to:
Outdated or incorrect data
Missed upgrade opportunities
Weaker sale positions
Compliance risk for landlords
Your EPC is a strategic asset — not a checkbox.
What Smart Homeowners Do Instead
Smart owners:
Review their EPC early
Challenge errors
Upgrade selectively
Use EPCs strategically when selling or letting
If you want help interpreting or improving your EPC, you can book an assessment or contact the EPCrate team through the Contact Us page.
You can also learn more about EPCrate’s expertise on the About Us – EPC Company London page.
Final Thoughts
EPC myths are not harmless — they are expensive.
They:
Cause unnecessary spending
Reduce sale prices
Trigger bad decisions
Create legal risk
Understanding how EPCs really work saves you money, time, and stress — and lets you use your EPC as a tool instead of a trap.
If you own or manage a listed building and want clarity on EPC requirements, get expert advice before assuming exemption or investing in upgrades.
Address: 150–160 City Road, London, EC1V 2NX
Phone: 020 3488 4142
Email: info@epcrate.co.uk