Domestic Energy Assessor

Job Description:

Domestic energy assessors (DEAs) work out the energy efficiency of domestic buildings like houses and flats.

Job Category:
Energy & Utilities

What you will do:

In this role you could:

  • do on site assessments that generally last from 30 mins to 1 hour
  • examine the property to record age, building type, number of windows and roof construction
  • take pictures, measure wall heights and create a floor plan of the building
  • check what items, like central heating boilers, radiators and lighting are being used
  • measure loft insulation
  • log the information on a computer to get the energy efficiency rating and
  • produce an Energy Performance Certificate (EPC) – a Uk requirement
  • send a copy of the EPC to the client
  • give practical advice to clients on how to improve energy efficiency


You’ll need:

  • customer service skills
  • maths knowledge
  • knowledge of engineering science and technology
  • to be able to carry out basic tasks on a computer or hand-held device

As well as:

  • to be thorough and pay attention to detail
  • excellent verbal communication skills
  • to be flexible and open to change (adaptable)
  • analytical thinking skills
  • business management skills
  • organisational skills
Illustration of employee looking at workspace

Entry Requirements:

To become a Domestic Energy Assessor (DEA), you don’t typically need specific subjects. However, a solid educational foundation in certain areas can be advantageous for this role, as it involves assessing the energy efficiency of residential properties. Here are some considerations:

  1. Mathematics (Maths): Basic math skills are important for calculating energy performance ratings and conducting energy assessments.
  2. Science: A general understanding of science principles can be useful, particularly in relation to energy efficiency and the physics of heat transfer.
  3. Environmental Studies: Courses related to environmental science or studies can provide valuable background knowledge on energy conservation and environmental sustainability.
  4. Building and Construction: Knowledge of building materials, construction methods, and building regulations can be beneficial for understanding residential structures.

Post School

You can get into this job through a specialist course run by private training organisations.

Other Routes
To become a domestic energy assessor (DEA) you’ll need to:

  • do a Certificate in Domestic Energy Assessment (Level 3 in the UK)
  • become a member of an approved accreditation scheme

If you have experience in a related field like property surveying or construction, you might not have to do as much training.

Once you’ve got the certificate and are registered on a scheme, your details will be available on the register of accredited domestic energy assessors.

Working Hours and Environment:

Your typical work hours could be variable.

You could work at a client’s home.

Your working environment may be outdoors some of the time and you’ll travel often.

Career Path & Progression:

With further training, you could carry out assessments on commercial buildings or move into assessor training.