Energy Assessments you can rely on
EPCs, retrofit assessments and retrofit coordination — carried out professionally, explained clearly, and delivered on time across Devon.
About Us
Norley Energy Services is an independent energy assessor based in Devon, run by Alex Slattery. With accreditations from ECMK, Elmhurst, and TrustMark, you can be confident that every assessment is carried out to the highest professional standards. We take a personal, straightforward approach to every job — no call centres, no subcontractors, just reliable local expertise delivered directly to you.
Our Services
EPCs, retrofit assessments, and retrofit coordination — all carried out by an independent local assessor across Devon.

Energy Performance Certificates
An EPC tells you how energy-efficient a property is — and what could be improved. Whether you're selling, letting, or simply want to understand your home's energy use, we'll carry out a thorough assessment and provide a certified report.

Retrofit Assessments
If you're planning energy improvements to your home, a retrofit assessment is the essential first step. We carry out a thorough whole-dwelling assessment and produce the report needed to plan and fund any improvement work — these are a mandatory requirement for all government-funded schemes.

Retrofit Coordination
A Retrofit Coordinator oversees your entire energy improvement project — from the initial assessment through to completed installation. We act as your single point of contact, making sure every measure is right for your property and delivered in line with PAS 2035 standards.
Why Choose Us
Fully accredited
Accredited by ECMK, Elmhurst, and TrustMark. Every assessment meets recognised national standards.
Independently run
No middlemen, no subcontractors. You deal directly with us from first enquiry through to report delivery.
Local knowledge
Based in Devon and working across the county. We understand local property types and the challenges that come with them.
Plain English
We explain what your assessment means in clear, jargon-free language — so you can make informed decisions.
Ready to book an assessment?
Get in touch today and we’ll talk through what you need.