Domestic energy assessors are qualified and accredited professionals who help homeowners, landlords, and organizations understand how efficiently their properties use energy and how they can reduce costs and carbon emissions. If you are exploring a new career option and want something practical and relevant to housing needs, becoming a domestic energy assessor might be a proper fit. This guide will walk you through everything you need to know about how to become a successful domestic energy assessor.
1. Understand the Entry Requirements for AccreditationÂ
There is no need for previous experience in energy or construction sites, and no specific qualification is required to become a domestic energy assessor. Mostly, the entry requirements include being at least 18 years old, having good math skills, having an interest in building/construction, and being comfortable when using a computer. You can start working as a DEA once you complete the training and meet the basic checks for accreditation.Â
2. Complete Your Domestic Energy Assessor Training Course
Completing a domestic energy training course is the next step once you understand the entry requirements. The domestic energy assessor course gives you the core knowledge and practical understanding you need to start working as a qualified DEA. During the training, you will also learn how homes are constructed, what factors affect their energy performance, and how to conduct a structured assessment. The specialty of this training course is that it is taught to new entrants, and you are guided through a step-by-step process. Once you end the course, you will feel confident in the basic principles of domestic energy assessment.Â
3. Begin Working on Your Portfolio of EvidenceÂ
Once you have started your training, you can begin working on your portfolio of evidence. The portfolio is a structured collection of work. It shows that you can use your new skills in practice. Domestic energy assessment, smaller exercises, and setting reading are included in the portfolio. These steps help you in carrying out assessments accurately, using the software correctly, and interpreting the results. In short, in this step, you learn by doing, with guidance available if you are unsure about any part of the process.Â
4. Achieve Your Level 3 Certificate in DEA
Achieving your Level 3 certificate in domestic energy assessment is a vital step after your portfolio has been completed. This qualification confirms that you have the ability to carry out domestic energy assessments to national standards. An experienced assessor will review your work. They will check whether you understand the assessment process, can collect the information accurately, and use the software appropriately. Overall, achieving this certificate is a milestone that marks that you are officially qualified and ready to begin work as a DEA.Â
5. Join an Approved Accreditation Scheme
Accreditation is required for all practicing domestic energy assessors. It ensures that your assessments meet national standards and can be officially lodged as energy performance certificates. When you join an approved accreditation scheme, you can gain access to the systems needed to lodge EPCs, ongoing technical support, audit guidance, and updates to industry requirements.Â

