Online Retrofit Assessor Training Course

£465.50 ex.VAT

The Retrofit Assessor Course is designed for existing DEAs who wish to up skill and increase their knowledge and skill set as the industry grows.

This course costs just £465.50+VAT and the full course details are listed below.

Course Entry Requirements

Candidates must hold the Level 3 Domestic Energy Assessor qualification or On Construction Domestic Energy Assessor qualification and be actively practicing.

In order to become fully qualified, candidates must carry out 20 hours of learning. 12 hours are completed on the course and the other 8 hours are made up of additional learning.

Therefore, we request all candidates complete and provide proof of CPD reading before the course starts on the following:

  • The TrustMark Framework
  • The TrustMark Code of Conduct
  • The TrustMark Customer Charter
  • A brief read of the Retrofit Assessor Manual

In addition to this, it is highly recommended, but not compulsory that candidates purchase or have access to a copy of PAS2035:2019.

All courses must be booked at least 5 working days before the course start date. 

Please be advised that our office working hours are Monday-Thursday: 9am-5pm & Friday: 9am-4:30pm.

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Are you ready to take your career to the next level?

The Retrofit Assessor role is a crucial step in the world of whole house retrofit projects, and our accredited course will set you on the path to success. At Quidos, we understand the importance of being recognized and accredited by the best in the industry.

*Upon successfully completing your portfolio, you’ll receive a certificate.*

Join us and gain a certification that speaks volumes about your expertise!

What Does Our Accredited Course Offer?

🌟 Part 1:

– PAS 2035

– TrustMark

– Risk Assessment

– The benefits of deep whole house retrofit

🌟 Part 2:

– U-Values

– Condensation and Mould

– Linear Thermal Bridging

– Heat Gains

– Ventilation

– Solar Gain

– SAP and PHPP Overview

🌟 Part 3:

– RdSAP Data Entries

– Occupancy Assessment

– Condition Report

– Summary

Why Choose Us?

🏆 Dedicated trainers helping you gain a new certification – Boost your skills and stand out in the industry with a certification that’s recognized and respected.

🕒 Flexible Schedule – Our course is completed online, allowing you to learn at your own pace and from the comfort of your home.

📅 Office Hours – Need assistance? We’re here for you Monday-Thursday from 9 am to 5 pm and on Fridays from 9 am to 4:30 pm.


Join us and embark on a journey towards becoming a trusted Retrofit Assessor.

Register interest today!


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