Which CIBSE Certification Service is right for you?
Navigating certification in the built environment can be complex, particularly as regulatory requirements, sustainability targets, and client expectations continue to evolve. Choosing the right certification service can help demonstrate credibility, ensure compliance, and support measurable progress towards decarbonisation.
CIBSE Certification provides a range of UKAS-accredited and industry-recognised services designed for individual professionals, organisations, building owners and product manufacturers. Each service supports a different part of the industry, whether you are looking to enhance your professional credibility, demonstrate organisational best practice, measure building performance, or provide CIBSE verified TM65 data for products.
NABERS UK provides a performance-based energy rating scheme for office buildings, measuring actual operational energy use rather than predicted performance. Administered in the UK by CIBSE Certification, NABERS UK is increasingly adopted by building owners, investors and occupiers seeking transparent and credible operational performance data.
NABERS UK Energy for Offices ratings allow building owners and managers to benchmark and track performance over time, providing clear insights into energy efficiency and highlighting opportunities for improvement. The Design for Performance approach also supports new and refurbished office developments by setting measurable performance targets during the design stage, aligning project teams around achieving real-world outcomes.
Operational energy data plays a critical role in supporting decarbonisation and ESG strategies, helping organisations communicate performance transparently to tenants, investors and stakeholders. In a market increasingly focused on building performance outcomes, NABERS UK helps strengthen asset value, operational efficiency and market reputation.
As whole-life carbon assessment becomes more prominent across the industry, Embodied Carbon Verification provides independent verification of product embodied carbon data using the CIBSE TM65 methodology. The service is designed to support transparent and credible reporting of carbon impacts for building services products, particularly where Environmental Product Declarations are not yet available.
Verification confirms that embodied carbon calculations follow recognised industry methodology and have been reviewed independently and updated annually, providing designers, specifiers and clients with greater confidence in the data used for decision-making. For manufacturers, verified carbon data can support product differentiation within sustainability-led projects and low-carbon procurement frameworks.
The service also enables more accurate comparison of products during project carbon assessments and supports alignment with industry best practice, helping organisations contribute to wider decarbonisation goals across the built environment.
For individuals working within energy and building performance, Personnel Certification provides independent recognition of technical competence, regulatory compliance and professional credibility. CIBSE Certification operates a range of schemes covering key industry roles including Low Carbon Consultants, Low Carbon Energy Assessors, ESOS Lead Assessors, Heat Network Consultants, Section 63 Advisors in Scotland, Management System Specialists, and NABERS UK Assessors.
These schemes are independently assessed and maintained to ensure certified professionals meet defined competency standards and remain aligned with evolving industry requirements. Certification supports professionals working in energy assessments, compliance activities, consultancy, and building performance improvement, while also supporting statutory requirements such as EPCs, DECs, air-conditioning inspections and ESOS assessments.
Beyond regulatory compliance, certification helps professionals differentiate themselves in a competitive marketplace. Being listed on an official register of certified professionals provides reassurance to clients and employers, while continuing professional development requirements help maintain and strengthen technical expertise over time.
For organisations operating across the built environment supply chain, Management Systems Certification provides independent assurance that internal processes meet internationally recognised standards. CIBSE Certification offers UKAS-accredited certification to
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ISO 9001 – Quality Management
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ISO 14001 – Environmental Management
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ISO 45001 – Occupational Health & Safety
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ISO 50001 – Energy Management
Certification involves independent auditing to confirm that management systems are effectively implemented and continuously improving. Structured systems support organisations by reducing risk, improving operational efficiency and strengthening service consistency. Environmental and energy management standards also help organisations identify and reduce environmental impacts while supporting wider sustainability strategies.
Key Benefits
- Independent assurance - Demonstrates that your systems meet internationally recognised standards and are externally verified.
- Improved operational performance - Structured management systems help reduce errors, improve efficiency, manage risk, and support consistent service delivery.
- Stronger environmental and energy performance - Environmental and energy management standards help organisations identify, manage and reduce their environmental impact and energy use.
- Commercial advantage - Certification is often required or preferred in procurement processes and public‑sector contracts.
- Integration across systems - Multiple standards can be combined into an integrated management system, reducing duplication and improving oversight.
Find the right Certification for you?
Choosing the most suitable certification depends on your role, organisational goals and sustainability objectives. If you are unsure which pathway best supports you and your organisation’s needs, CIBSE Certification can help guide you through the available options and identify the service or services that delivers the greatest value for you or your organisation.