Award-Winning EPC & Energy ServicesAcross London, Essex, Hertfordshire & Cambridge
Clear EPC ratings. Quick turnarounds. Practical recommendations to stay compliant and boost property appeal.
Same-week appointments available
Accredited and insured assessor
Domestic EPCs, SAP, retrofit support and energy advice
About Us Trusted EPC Service That Keeps Things Simple
Our Services How Can We Help
Energy Performance Certificates
Domestic and commercial Energy Performance Certificates with clear ratings and compliance guidance.
Air Tightness
Testing
Air leakage testing to help meet building regulations and improve energy efficiency within your property.
Building
Compliance
Energy assessments and calculations to demonstrate compliance with regulations for homes, offices and shops.
Retrofit Assessments
Whole-home assessments to plan upgrades and improve long-term performance.
Energy Consultancy
Advice to improve energy efficiency, reduce carbon emissions & support compliant, cost-effective builds.
Heat Loss Calculations
Room-by-room calculations to support accurate heat pump sizing for your whole-home.
Inventories
Property inventories for smooth check-ins, check-outs, and dispute protection for you and your properties
Ready To Get Started?
Quick EPC bookings, clear reports, and simple next-step advice to improve your rating.
Why Choose Callum Martin Energy?
- Professional and punctual service with clear communication
- Fast turnaround and hassle-free booking
- Great customer feedback for reliability and pricing
- Support beyond EPCs: retrofit, SAP and energy advice in one place
Areas We Cover
We support clients across London and the South East, including nearby counties, with flexible appointments for homeowners, landlords and estate agents.
Get In Touch Today!
Need an EPC or support with your another one of our services? Send a quick message and we’ll come back with price, availability, and what we need from you.
To get an accurate quote, include: postcode, property type (flat/house), bedrooms, and what you need (sale, rental, upgrade planning).