About Callum Martin Energy
Same-week appointments available
Accredited and insured assessor
Domestic EPCs, SAP, retrofit support and energy advice
Who We Are Energy assessors across London and the South East
Callum Martin Energy provides energy assessment, testing, and compliance services for domestic and commercial properties. We work with homeowners, landlords, developers, and property professionals who need clear reporting and dependable service.
We deliver EPCs, building compliance calculations, air tightness testing, retrofit assessments, heat loss calculations, inventories, and energy consultancy. Our work supports property sales and rentals, building control, and long-term energy improvements.
Our ClientsTrusted by Professionals
We work with a wide range of clients, from individual homeowners to established property and construction businesses. Our clients include homeowners and private landlords, estate and letting agents, property developers, architects, consultants, and building contractors.
We deliver EPCs, building compliance calculations, air tightness testing, retrofit assessments, heat loss calculations, inventories, and energy consultancy. Our work supports property sales and rentals, building control, and long-term energy improvements.
We deliver EPCs, building compliance calculations, air tightness testing, retrofit assessments, heat loss calculations, inventories, and energy consultancy. Our work supports property sales and rentals, building control, and long-term energy improvements.
Ready To Get Started?
Quick EPC bookings, clear reports, and simple next-step advice to improve your rating.
Accreditations & Awards Professional and Recognised
We are fully accredited and insured to carry out our services and work to current industry standards and regulations. Any relevant scheme memberships, certifications, or awards can be highlighted here.
Sustainability Champion 2025
Callum Brazier, Callum Martin Energy, Loughton
How We Work Clear, practical, and reliable
We focus on accuracy, straightforward communication, and realistic advice that suits the property and the project. Our aim is to keep compliance simple and help projects move forward without delays.
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).