LEVEL 4 AWARD
The UK’s Leading Retrofit Assessor Course – Now 80% Funded
12 months Retrofit Academy Professional Membership included with this course.
You can find out all about our Retrofit Assessor Course from David Pierpoint, the founder and Chief Executive of The Retrofit Academy.
Future Proof Your Career as a Retrofit Assessor
As a Retrofit Assessor, you’ll play a key role in the UK’s mission to cut carbon emissions by improving energy efficiency in millions of homes. You’ll conduct thorough property assessments aligning with PAS 2035 standards, guiding decisions for energy-efficient upgrades. From quaint cottages to contemporary townhouses, your expertise will be highly sought after.
This course is designed for existing Domestic Energy Assessors (DEAs), providing all the retrofit knowledge and skills required by British Standard PAS 2035 to conduct in-depth Retrofit Assessments. The course has been specially developed by The Retrofit Academy in conjunction with Professor Richard Fitton, who is leading on the upcoming standard for Retrofit Assessment BS 40104.
This role is essential for helping homeowners, landlords, and residents make choices that reduce their carbon footprints, lower energy costs, and make their homes more sustainable.
Join a growing network of retrofit professionals, combat climate change and make a difference to people’s homes while advancing your career prospects in the thriving retrofit sector.
Included with your course:
- PAS 2035 Compliant Training
- Developed by the technical author of the upcoming BS 40104 Standard
- Future-proofed – meets the requirements of BS 40104
- Expert support with our new Drop-In Support Sessions
- Support into practice - 12 months Professional Membership included
- Access to jobs and employers
- Software training and licence included
eligibility
This course is only open to existing Domestic Energy Assessors.
Duration
You will need to complete this course by March 2026, with 3 months to complete after registration.
Trustmark Accreditation
Upon completing the course, you will become an accredited TrustMark Retrofit Assessor through the Retrofit Academy Accreditation Scheme.
About this funding
Funding for this course is provided by the Department for Energy Security and Net Zero (DfESNZ) via the Midlands Net Zero Hub. The funding is through the Warm Homes Skills Programme, which supports the government’s Warm Homes Programme. Through the Warm Homes Programme, the government supports social landlords and local authorities to deliver large-scale retrofit programmes. The funding will cover all but £250 plus VAT of the course cost, saving over £1,000. However, you must comply with the funding scheme rules and complete within the timescales. Failure to do so may result in being withdrawn from the course or having to cover the shortfall.

Clive Rowland - Lead Tutor
Clive has over 15 years’ experience in the retrofit industry, including energy assessments of existing and new build dwellings, thermal imaging, air pressure testing, building forensics, post occupancy evaluation and building performance monitoring. He co-wrote and delivered the training for one of the modules for the PAS 2035 Retrofit Co-ordinator qualification and was part of the advisory panel for the Green Deal Advisor National Occupational Standards.

Dominic Ives - Tutor
Dominic is a qualified Retrofit Coordinator with experience working on SHDF Wave 1 projects in the Southwest. He has worked as a natural builder using cob as well as conventional construction and renovation. His further experience and study have focused on practical sustainability, arboriculture, and horticulture. Dominic is also studying part-time for an MSc in Green Buildings and has a keen interest in ultra-low-energy buildings, natural materials, and domestic energy.
Eligibility
As a regulated qualification, the Level 4 Award in Domestic Retrofit Assessment has some specific eligibility criteria. The minimum requirement for all methods of study is a Level 3 Domestic Energy Assessor qualification.
Modules
The course is made up of nine modules that cover all aspects of retrofit assessment. Each module features extensive learning materials, expert-led sessions, case studies and activities that are designed to give you an in-depth understanding of both theory and practice.
The modules are as follows:
- PAS 2035 and Retrofit Assessments
Understand the importance of retrofit in addressing climate change, reducing fuel poverty and improving energy efficiency. - Retrofit Advice to Customers
Understand the PAS 2035 requirements when it comes to providing advice, and what as a Retrofit Assessor, you should and should not provide. - Context and Significance of Dwellings
This module covers importance of providing accurate information around location, environment and the classification of a building, which is essential for preparing thorough assessment reports and ensuring that any retrofit work undertaken is appropriately tailored. - Assessing the Condition of a Dwelling and Recording Defects
How to assess the condition of the dwelling and capture information about existing defects. It is critical that defects, including leaks and cracks, are addressed prior to the installation of new measures. - Occupancy Assessments
Capturing data about the number of people living in a property, as well as they ages and lifestyle patterns as a key metric for the Retrofit Assessor to record - Ventilation Requirements and Energy Performance of a Dwelling
This module explains why and how existing ventilation systems should be assessed, and covers estimiating energy usage and cost using industry models such as the Standard Assessment Procedure (SAP) and Passive House Planning Package (PHPP) - Producing Retrofit Assessment Reports
Equips you with the ability to complete the final assessment reports to be handed to the Retrofit Coordinator.
Method Of Study
When you enrol in the course, you’ll gain access to The Retrofit Academy’s state-of-the-art online learning platform, where the course is delivered, and your assessments are submitted.
The course includes:
- Supported online learning: Access the course online, completing assignments at your convenience.
- Access to fortnightly Drop-In Support Sessions*
- Peer learning and support
- In-depth learning and technical resources
- Specialist mentor support
Engage with peers and learn from expert tutors, all while accessing your course materials through our cutting-edge online learning platform.
* To support learners undertaking our online courses, we are introducing regular Drop-In Support Sessions designed to enhance learning and improve assessment outcomes.
Each session will be split into two halves:
- Technical Insights – The first half will focus on key technical content, either drawn directly from the course material or based on the latest developments and best practices in the retrofit industry.
- Assessment Q&A – The second half will provide an open forum for learners to ask questions, seek clarification, and receive targeted support around their assessments.
These sessions are designed to help learners stay engaged, build confidence, and deepen their understanding through direct interaction with our expert team.
Learning Experience
- Supported online learning through our state-of-the-art online learning platform: Access your coursework anytime, anywhere, through our advanced online platform.
- Flexible Study Schedule: Study at your own pace with unrestricted access to course materials, allowing you to balance your learning with work and personal commitments.
- Interactive and Engaging Learning: Engage with practical scenarios and real-world case studies that bring your learning to life.
- Mentor Support: Receive personalised guidance from experienced industry professionals who are there to support your progress.
- Drop-In Support Sessions: Designed to enhance learning and improve assessment outcomes.
- Bitesize Learning: Develop your skills with short guides developed by experts.
- Networking Opportunities: Connect with like-minded professionals and expand your network within the retrofit industry.
- Career Development Resources: Benefit from career progression advice and opportunities to move into roles like Retrofit Assessor or Coordinator.
- Access to PAS Documents: Ensure compliance and industry alignment with essential PAS documents.
Assessment
The course is assessed via a portfolio of evidence, two property reports and a final professional discussion.
All learners are assigned one of The Retrofit Academy’s skills coaches who will provide guidance and feedback on all of your assessments. All coaches are experienced in the retrofit industry and hand-picked for their experience and expertise.
Certification
All learners successfully passing the End Point Assessment will be recommended for the award of Level 4 Award in Domestic Retrofit Assessment from AIM Qualifications an Ofqual-regulated Awarding Body.
TRUSTMARK ACCREDITATION
On successful completion of the course, you will be eligible to apply for TrustMark accreditation as a Retrofit Coordinator through The Retrofit Academy Accreditation Scheme, at no extra cost.
Retrofit Academy Professional Membership
Upon graduation, you will become recognised as a Retrofit Academy Professional Member at the appropriate level, often at Associate Level in your early years of practice. You can progress through Practitioner levels to ultimately apply for Retrofit Academy Fellowship.
Becoming a Certified Retrofit Assessor also opens the door to a range of services designed to support your career and professional development provided by The Retrofit Academy. The first 12 months are FREE post-graduation. The ongoing membership fee is £295 plus VAT per year.
After you have completed the certified retrofit Assessor course, you will gain access to The Academy’s Retrofit Professionals’ Hub providing:
- Access to The Academy’s Retrofit Professionals’ Hub providing:
- Your own profile page to showcase your skills and achievements to the retrofit sector
- CPD Accredited courses to maintain professional status
- Connectivity with employers and job opportunities
- Invites to regular online practical-led sessions with guest speakers and case-study led sessions
- Access to Technical Discussions and Best Practice Groups
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