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Scheme Standards | RISE Supply Chain Advice Pack


To support the delivery of large-scale domestic retrofit, schemes such as the Energy Company Obligation (ECO4) require activity to comply with specific standards.
Retrofit installation work must comply with PAS 2030; 2019+A1 2022(currently) or PAS 2030; 2023 (from March 2025) or MCS, for low carbon and renewable energy technologies.
In addition, the above schemes all require non-installation retrofit work, incorporating Retrofit Assessment, Retrofit Design, Retrofit Coordination (project management), handover and Retrofit Evaluation, to comply with PAS 2035; 2019+A1 2022(currently) or PAS 2035; 2023 (from March 2025).
If you are working in the retrofit supply chain, to access and deliver installation work under PAS requirements, you must hold appropriate certification through a TrustMark registered certification body for the measures or technologies that you aim to install.





    The guide explores:

    • Why standards are needed
    • The role each of the standards have
    • Microgeneration Certification Scheme (MCS)
    • PAS 2030 / 2035


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