About Us
A wholly owned subsidiary of CIBSE and operates the only UKAS Accredited EPC and DEC Energy Assessor schemes.
CIBSE Certification Limited, the NABERS UK Administrator, offers the following certification services: Personnel, Management Systems, Building Ratings, and Embodied Carbon Verification (ECV).
CIBSE Certification is the certification body for professionals and organisations committed to delivering better performing buildings. We support progress in decarbonisation, energy efficiency, safety, health and wellbeing, and provide independent assurance across the built environment.
Our services are grounded in technical expertise and sector knowledge, and we operate with a clear purpose: to raise standards and support the transition to a low-carbon, high-performance built environment.
All profits generated by CIBSE Certification are reinvested—either to expand our services in response to industry needs, or gifted to the CIBSE to support its charitable mission of advancing knowledge and education in building services engineering.
Why Choose CIBSE Certification?
- Industry-recognised expertise backed by experience across consultancy, compliance, and performance certification
- A trusted online resource for consultants, building owners, and those seeking certified professionals or building ratings
- Technical and software support for registrants
- Promotion of certified consultants, assessors, and management system specialists
- Competitive rates for lodgements and certifications, with robust quality assurance
- Management system certification delivered by expert auditors who understand the built environment
- A verified register of building performance ratings, offering transparency and credibility for those promoting or validating operational carbon performance
- An embodied carbon verification service, responding to the need for trusted, independent assessment of manufacturers' environmental claims
Choosing CIBSE Certification means partnering with an organisation committed to driving meaningful change in building performance—while supporting the wider industry through investment and charitable impact.
Our Certification Services
Personnel
Competent personnel schemes for Low Carbon Consultants, Low Carbon Energy Assessors, ESOS Lead Assessors, Heat Networks Consultants, Management System Specialists and NABERS Assessors are offered.
Discover more about our Personnel Schemes
Management Systems
UKAS accredited certification to the following standards are offered:
- ISO 9001: Quality Management Systems
- ISO 14001: Environmental Management Systems
- ISO 45001: Occupational Health and Safety Systems
- ISO 50001: Energy Management Systems
Find out more about Management Systems service
NABERS UK
As the NABERS UK administrator, Design for Performance, Energy for Office Certified Performance Ratings and Training services are offered.
Discover more about the NABERS UK scheme
Embodied Carbon Verification
Embodied Carbon Verification (ECV) scheme is offered based on the methodology published by CIBSE in TM65, providing verified assurance of manufacturers' embodied carbon claims.
This service is evolving in response to demands for independent and credible verification of embodied carbon claims. Interested parties can use these verified claims to make decisions on product specifications in the built environment.
