Level 3 & 4 Commercial Energy Assessor (Non-Domestic Energy Assessor – NDEA) Course | Live Online Training

Become a qualified Commercial Energy Assessor (Non-Domestic Energy Assessor – NDEA) with our City & Guilds-approved Level 3 & Level 4 qualification, delivered through four days of live online training. This course is designed for learners who want to gain the knowledge and practical skills required to carry out Commercial Energy Performance Certificate (Commercial EPC) assessments on non-domestic buildings while benefiting from expert tutor support throughout their learning journey.

Live tutor-led classes are delivered online via Zoom, providing an interactive learning environment where you can engage with experienced industry professionals, ask questions in real time and take part in practical demonstrations using approved SBEM software. Throughout the course, you'll explore commercial building construction, heating, ventilation and air conditioning (HVAC) systems, lighting, renewable technologies, building services, energy legislation and the methodologies used to produce compliant Commercial EPCs.

Delivered by practising industry professionals, the course combines technical knowledge with practical surveying techniques, helping you develop the confidence to inspect commercial buildings, collect accurate site data and produce high-quality Commercial EPCs. Whether you're an existing Domestic Energy Assessor (DEA) looking to expand into the commercial sector or a property professional seeking a rewarding new career, you'll receive ongoing tutor guidance throughout your portfolio, assessments and qualification.

Prefer a different learning format? View our Self-Paced Guided Online Commercial Energy Assessor Course, Classroom Commercial Energy Assessor Training, or explore our full range of Commercial Energy Assessor (NDEA) courses to find the option that best suits your learning style and schedule.

To achieve your Level 3 & Level 4 Commercial Energy Assessor (Non-Domestic Energy Assessor – NDEA) qualification, you will complete a portfolio of commercial building assessments together with the required portfolio assignments. Your dedicated tutor will support you throughout the qualification, providing guidance on surveying commercial properties, using SBEM software, collecting accurate building data, producing compliant Commercial Energy Performance Certificates (Commercial EPCs), and successfully completing your portfolio and assessments.

If you'd like to learn more about what you'll study before enrolling, we invite you to explore our dedicated Course Syllabus and Portfolio & Assessments pages. These guides provide a detailed overview of every module you'll complete, the practical assignments included within the qualification, and how you'll develop the knowledge, practical surveying skills and confidence needed to become a qualified Commercial Energy Assessor (Non-Domestic Energy Assessor – NDEA).