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Retrofit Assessor Accreditation

Becoming a Retrofit Assessor

ecmk operate a TrustMark approved Retrofit Assessor scheme, enabling qualified professionals to deliver retrofit work in accordance with PAS 2035 framework standards. All Retrofit Assessors need to be qualified Level 3 Domestic Energy Assessors and have completed ecmk’s in-house Retrofit Assessor Training, prior to joining ecmk’s Retrofit Assessor accreditation scheme.

Being Retrofit accredited through ecmk will mean that you are fully qualified and PAS 2035 compliant, to carry out retrofit assessments and use the TrustMark quality mark of approval.

By joining ecmk’s Retrofit Assessor accreditation scheme you’ll have a licence to operate as a Retrofit Assessor and have an effective means to deliver retrofit assessments in accordance with industry standards. You will also gain access to other services ecmk has to offer.


ecmk accredited Retrofit Assessors get free access to CoreLogic’s market leading PAS 2035 Retrofit Software. The software is designed to facilitate the assessment, along with the installation and reporting of Retrofit projects in accordance with PAS 2035. The software also supports Government schemes including ECO, LAD & SHDF and enables easy collaboration with Coordinators and Installers.

Once you are accredited, you can start to use the software straight away and you only pay for the lodgement fee, which includes a pay per click Professional Indemnity and Public Liability insurance.

You will get access to CoreLogic’s mobile Retrofit App, alongside the desktop PAS Hub software.

PAS 2035 Retrofit App

Capture all necessary PAS, ECO, technical information and floor plans on-site in one single visit, with built in validation checks.
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Manage projects, including, transfer of work between companies, project sign-off and lodgement onto the TrustMark data warehouse.
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Retrofit Assessment lodgement fee


Fees are subject to VAT and exclude central register fees.

Reasons to join

Competitive lodgement fees

Market-leading software

Technical support helpline

4 hours free CPD every year

Top-up CPD sessions

Technical bulletins

Get accredited

Join our professional and supportive accreditation schemes and benefit from our technical assistance and continued professional development.
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