PAS 2035
Introduction
PAS 2035 is is the publicly available specification that provides a comprehensive framework for retrofitting existing homes to improve their energy efficiency and reduce carbon emissions. It was first published in 2019 following the Each Home Counts Review, which identified significant issues in retrofit delivery, such as poor installation standards. This led to unintended consequences and caused problems like dampness and mould.
The standard outlines the entire retrofit process, including assessment, design, installation, testing, commissioning, handover, advice, and monitoring. It introduces several specialist roles, such as retrofit coordinators, designers, assessors, and advisors, specifying the qualifications and experience required for each. Compliance with PAS 2035 is mandatory for government-funded domestic retrofit projects.
PAS 2035 emphasises a whole-house approach to retrofit, ensuring that all measures are appropriate for the building and its occupants.
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