On 26th September 2016 the NHER EPC accreditation scheme transferred to Elmhurst Energy Systems. For new membership enquiries please contact Elmhurst at This website will be updated in due course. 

NES runs the premier schemes for energy assessors, surveyors and green deal assessor organisations. We are renowned for providing industry leading technical support and easy-to-use, intuitive and robust software. 

We provide membership for Domestic Energy Assessors (DEAs), On Construction Domestic Energy Assessors (OCDEAs), Commercial Energy Assessors (CEAs, Level 3 and 4), On Construction Commercial Energy Assessors (OCCEAs, Level 3 and 4) and Public Building Energy Assessors (PBEAs) under the NHER Accreditation Scheme.

We also provide membership for residential surveyors (including Chartered surveyors) under the SAVA Scheme. 

To find out more, click on the relevant links below, or if you are ready to apply, simply click ‘Apply Now’.

If you have any questions regarding joining or your ongoing membership, please call our membership team on 01908 442105 or email

NHER Accreditation Scheme

NHER Accreditation Scheme Scotland

SAVA Scheme

Energy Saving Opportunity Scheme

Green Deal Assessor Certification Scheme

Apply Now

What people are saying about our schemes:

Extremely happy; excellent service and support. You made it really smooth and easy for me to join. So a Big Thank You!

Very professional company. Staff were knowledgable, did what they said they would and dealt with my questions quickly.

Contact us

Call: 01908 442240