Free expert knowledge
Insights Centre
Practical guides, calculators, and honest answers from a Government Accredited Assessor — helping you make smarter decisions about your home's energy.
Practical knowledge
Guides & Articles
Written by Phil — a Government Accredited Assessor with years of hands-on experience across Shropshire and beyond.
How to Improve Your EPC from D to C
A D rating is the most common in the UK — and the most improvable. Here's exactly what changes make the biggest difference, in order of cost-effectiveness.
Green Mortgages Explained: Could a Better EPC Save You Thousands?
Green mortgages offer lower interest rates for energy-efficient homes. Here's how they work, which lenders offer them, and whether improving your EPC is worth it.
What Happens During an EPC Survey?
Most surveys take 30–45 minutes. Here's exactly what Phil checks, what you need to have ready, and how the rating is calculated.
Landlord EPC Requirements: What You Need to Know in 2026
Rental properties must have a minimum EPC rating of E. Proposed changes could raise this to C by 2028. Here's what landlords need to do now.
5 EPC Myths That Could Cost You Money
From 'EPCs are just a box-ticking exercise' to 'solar panels always improve your rating' — here's the truth behind the most common misconceptions.
What Is a Retrofit Survey and Do You Need One?
Retrofit is more than just insulation. A proper retrofit survey identifies the right improvements in the right order — and avoids the costly mistakes of doing things wrong.
Expert Q&A
Ask Phil
Common questions answered honestly — no jargon, no upselling.
Got a question not answered here?
Phil replies personally — usually within a few hours.
Free tools
Calculators on the Homepage
Use our interactive tools to estimate your green mortgage savings and see the real-world impact of your EPC rating.
Green Mortgage Savings Calculator
See how a better EPC rating could reduce your mortgage interest rate and save you thousands.
Open calculatorEPC Rating Impact Slider
Move the slider to see the real-world difference between EPC bands on your running costs.
Open calculatorReady to arrange your EPC?
Phil covers Shrewsbury, Telford, Oswestry, Market Drayton, and the surrounding area. Most appointments available within 48 hours.
Check Availability