Commercial energy assessor

Commercial energy assessors test how energy-efficient commercial buildings are and produce Non-Domestic Energy Performance Certificates.

Average salary (a year)

£16,000 Starter


£35,000 Experienced

Typical hours (a week)

38 to 40 variable

You could work

freelance / self-employed managing your own hours

How to become a commercial energy assessor

You can get into this job through:

  • specialist courses run by private training organisations

Other routes

You'll need to get the Level 3 Certificate in Non-Domestic Energy Assessment.

You'll study towards this qualification if you have no experience of working in a relevant setting and are new to energy assessing. If you have experience in a related field like property surveying or construction you may be able to a shortened training course.

More information

Further information

Landmark operate the non-domestic energy assessor register on behalf of the government.

What it takes

Skills and knowledge

You'll need:

  • knowledge of engineering science and technology
  • maths knowledge
  • analytical thinking skills
  • to be thorough and pay attention to detail
  • the ability to read English
  • excellent verbal communication skills
  • knowledge of building and construction
  • the ability to use your initiative
  • to be able to carry out basic tasks on a computer or hand-held device

What you'll do

Day-to-day tasks

You’ll carry out detailed inspections of properties, including:

  • collecting information on their age, number of floors and building type
  • measuring the number and size of rooms and windows
  • identifying heating systems
  • entering the information into software to produce an energy efficiency rating and EPC

Working environment

You could work at a client's home or at a client's business.

Career path and progression

With further training you could carry out low carbon assessments, or move into sustainability consultancy. 

You could also move into assessor training, teaching the Certificate and Diploma.

Current opportunities

Apprenticeships In England

We can't find any apprenticeship vacancies in England for a commercial energy assessor right now.

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