Retrofit

PAS 2035-Compliant Qualification for Domestic Energy Assessors

GQA Level 4 Diploma in Retrofit Assessor

This nationally recognised Level 4 qualification is designed for professionals responsible for assessing the suitability of existing dwellings for retrofit. Aimed at qualified Domestic Energy Assessors (DEA), the course equips learners with the advanced knowledge and practical skills required to carry out retrofit assessments in accordance with current BS and PAS standards.

The qualification covers essential topics such as building physics, ventilation, sustainable technologies, historic building considerations, and compliance with the PAS Retrofit Standards Framework. Through a combination of theoretical learning and practical evidence-based assessment, learners will gain the competence to evaluate properties, produce high-quality assessment reports, and support the planning and delivery of effective retrofit strategies.

Ideal for those working in the domestic retrofit sector, this course ensures participants are equipped to meet the evolving demands of energy efficiency and net-zero housing standards.

Course Details

Course Type: Flexible

Level: 4

Duration: Flexible

Location: National

Category: Retrofit

5-Day Delivery Plan for the GQA Level 4 Diploma in Retrofit Assessor

 

Day 1: Introduction & Standards Framework

  • Welcome, Induction & Qualification Overview

  • Unit: Understanding of current BS and PAS standards, their scope, and application in retrofit projects

    • Introduction to PAS 2035 & BS 7913

    • Key roles in retrofit (Coordinator, Assessor, Designer)

    • Compliance pathways and risk assessment

  • Activity: Case study review on PAS-compliant retrofit projects

Day 2: Building Evaluation & Principles

  • Unit: Evaluating, Recording and Reporting on Residential Properties, including Building Physics, Ventilation, and Retrofit Principles

    • Basics of building construction and performance

    • Understanding moisture, heat transfer, and ventilation types

    • Retrofit risks and mitigation strategies

  • Unit: Advanced Energy and Ventilation Modelling of Existing Dwellings

    • Air tightness and thermal bridging

    • Tools and techniques for modelling

  • Practical: Hands-on assessment of a sample property

Day 3: Assessment Techniques & Report Writing

  • Unit: Mastering the Retrofit Assessment Techniques and PAS Compliance

    • Survey methodology and data capture

    • Producing Retrofit Assessment Reports

    • Software/tools used for assessment

  • Workshop: Mock assessment & feedback session

Day 4: Planning, Advice & Historic Buildings

  • Unit: Retrofit Planning, Implementation, and Advice

    • Interpreting assessment results to plan retrofit measures

    • Communication with stakeholders and households

  • Unit: Retrofit in Historic and Traditional Buildings

    • Characteristics of traditional construction

    • Approaches for sensitive retrofit

  • Case Study: Compare two retrofit approaches (modern vs traditional property)

Day 5: Sustainable Solutions & Assessment Preparation

  • Unit: Knowledge of Sustainable Materials and Technologies

    • Low-impact materials, renewable technologies, circularity

    • Supplier standards, lifecycle assessment

  • Assessment Preparation:

    • Review of portfolio requirements and evidence types

    • Q&A, next steps, individual learner action plans

Mandatory Units

Unit Code Unit Title Level

Credit Value

L4DRAU1 / Y/651/3209 Understanding of current BS and PAS standards, their scope, and their application in retrofit projects 4 1
L4DRAU2 / F/651/3210 Evaluating, Recording and Reporting on Residential Properties, including Building Physics, Ventilation, and Retrofit Principles 4 1
L4DRAU3 / H/651/3211 Mastering the Retrofit Assessment Techniques and PAS Compliance to produce assessment reports 4 2
L4DRAU4 / J/651/3212 Retrofit Planning, Implementation, and Advice in line with PAS guidance 4 1
L4DRAU5 / K/651/3213 Retrofit in Historic and Traditional Buildings 4 2
L4DRAU6 / L/651/3214 Advanced Energy and Ventilation Modelling of Existing Dwellings 4 1
L4DRAU7 / M/651/3215 Knowledge of Sustainable Materials and Technologies used in retrofit activities 4 1

Total Credit Value: 9 Credits
All units are mandatory.

Only £1,300

This all-inclusive price covers 5 days of expert-led training, assessment preparation, learner resources, and GQA registration.

Invest in your future as a certified Retrofit Assessor — align your skills with PAS 2035 and support the UK's journey to net zero.

Benefits

Qualifications with NetRet Group

  • Fully Accredited
  • Recognised Qualifications
  • Direct Certificate Claims (Quicker Turnaround)
  • Industry Recognised Assessors and Trainers
  • On Line Support
  • Dedicated Assessor & Advisor
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Courses

Level 2 Award in Understanding Domestic Retrofit

Course Type: Flexible

Level: 2

Duration: Flexible

Location: National

Level 3 Award in Domestic Energy Assessment

Course Type: Flexible

Level: 3

Duration: Flexible

Location: National

Level 5 Diploma in Retrofit Coordination and Risk Assessment

Course Type: Blended

Level: 5

Duration: Flexible

Location: National

Level 3 Certificate for Retrofit Assessor

Course Type: Flexible

Level: 3

Duration: Flexible

Location: National

Level 3 NVQ Diploma in Site Inspection – Construction

Course Type: On-Site

Level: 3

Duration: 10 Weeks +

Location: National

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