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Retrofit Co-ordination and Risk Assessment Course

Gain an ABBE Level 5 Diploma in Domestic Retrofit Co-ordination and Risk Assessment, a mandatory qualification for Retrofit Co-ordinators responsible for overseeing energy efficiency upgrades.

Delivered online through partner, Synergy Training, this qualification enables successful candidates to ensure retrofit projects comply with PAS2035 and TrustMark.

For a limited time only, GTEC can offer retrofit assessor & co-ordinator training at a reduced rate, thanks to government funding.

Funded courses will be allocated on a first come, first serve basis, so book now to secure your place.

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At a glance

Cost icon

Course cost

£999.00 exc. VAT

Duration icon

Course duration

Self-paced Online



Course information

The ABBE Level 5 Diploma in Retrofit Co-ordination and Risk Assessment is an essential qualification for Domestic Retrofit Co-ordinators. 

Retrofit Co-ordinators are responsible for ensuring a project meets the energy efficiency standards as outlined in PAS 2035 and are involved at every stage – from specification through to overseeing installation and handover.

PAS 2035 covers the assessment, specification and monitoring of measures designed to prevent heat loss, including insulation and window upgrades, advocating a ‘fabric first’ approach before the installation of low carbon technologies, such as heat pumps. Compliance with PAS 2035 is a requirement of all retrofit projects benefitting from government funding, such as ECO4.

Successful candidates will be able to ensure retrofit projects meet the standards of PAS 2035 and also TrustMark, the quality mark for the Retrofit sector.


  • Experience of working in construction/building services for a minimum of two years
  • Good IT skills
Prerequisites icon

There are 10*-11 modules in total, each requiring the submission of an assignment. 

Candidates have 12 weeks to complete the course

What's included icon

The Diploma uses a mix of online learning tools:

  • Theory part is self directed E Learning with Support
  • One-to-one training and assessment with experts from Synergy 
  • Real-life case studies where candidates will get the chance to apply the theory using retrofit software. 
  1. Introduction to domestic retrofit
  2. Assessing dwellings for retrofit
  3. Retrofit assurance and risk management
  4. Building physiology - heat gain and heat loss
  5. Building physiology - moisture
  6. Understanding and improving building fabric
  7. Understanding and improving building services
  8. Improving air tightness and ventilation
  9. Improvement option valuation and medium term retrofit plans
  10. Post retrofit testing, monitoring and evaluation
  11. Retrofit software, including a practical assessment 
Course outline icon

PAS 2035 stands for "Publicly Available Specification 2035." It's a standard for the energy retrofit of domestic buildings, ensuring a whole-house approach is taken for energy efficiency improvements.

TrustMark is a government-endorsed quality scheme that covers work a consumer chooses to have carried out in their home. Businesses registered with TrustMark are vetted for their technical competence, customer service and trading practices.

Fabric First principles refer to prioritising the thermal performance of the building's fabric – walls, floors, roofs, windows, and doors – to reduce energy demand. This approach emphasises insulation and airtightness before considering mechanical or electrical heating solutions, such as heat pumps.

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