Domestic Energy Assessor (DEA) Course

Qualify to Produce Energy Performance Certificates (EPCs).

Duration3 or 5 Days Online
LevelLevel 3 Diploma
Accredited ByCity & Guilds
CostFrom £890 + VAT

Certification & Licence Time

Join the industry’s largest MHCLG (Ministry of Housing, Communities & Local Government) authorised DEA scheme and get a licence to collect domestic property data, generate Energy Performance Certificates (EPCs), and comply with the Reduced Data Standard Assessment Procedure (RdSAP).

After successful completion of your portfolio, which can be achieved in as little as a week, you will have the knowledge you need to become a qualified Domestic Energy Assessor and issue EPC reports.

The fast-track DEA online course provides successful candidates with the City & Guilds Level 3 Certificate in Domestic Energy Assessment, allowing them to become an EPC Assessor for existing homes.

Course Options

We offer the DEA course in two formats. Both include the same three days of training with a live tutor.

On the 5-day course, Days 4 and 5 are spent completing your portfolio with you, so it can be submitted and your certificate claimed the following week.

  • DEA 3 Days Online: £890 + VAT
  • DEA 5 Days Online with Portfolio: £1,390 + VAT

How does the online class work with a live trainer?

The course is delivered with live trainer support and practical guidance throughout the programme so learners can build confidence in the assessment and reporting process.

Course Structure

Day 1 covers the fundamentals of EPCs, building regulations, measuring conventions, property construction, and an introduction to RdSAP.

Day 2 focuses on insulation levels, the surveying process, site notes, floor plans, perimeter dimensions, heating and lighting, photographs, and renewable energy sources.

Day 3 covers case studies, data input exercises in the RdSAP software, EPC calculations, EPC production, portfolio guidance, and a Q&A session.

Days 4 and 5 (5-day course only) are spent completing your portfolio with your tutor, ready for submission and certification the following week.

  • Welcome and introduction
  • EPC and building regulations
  • Measuring conventions
  • Construction and age of properties
  • Introduction to RdSAP
  • Determining levels of insulation
  • The surveying process
  • Site notes, floor plans, and perimeter dimensions
  • Heating and lighting
  • Importance of photographs
  • Renewable energy sources
  • Case studies
  • Data input exercise in the RdSAP software
  • EPC calculations
  • Production of an EPC
  • Portfolio guidance session
  • Q&A session
  • Fast-track online classroom training with live tutor
  • City & Guilds registration and certification
  • Online training materials
  • Ongoing mentor support
  • Portfolio assessment and RdSAP software guidance

Our Accreditations & Certifications

Infinity Energy Organisation Ltd is an accredited training provider, recognised by leading industry and certification bodies.

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