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The End of PAS2035-2019 and the beginning of PAS2035-2023

retrofit houses

The direction of the BSI in PAS 2035:2023 - Retrofitting dwellings for improved energy efficiency (second edition September 2023), states that the PAS 2035:2023 standard will supersede the PAS 2035:2019 standard which will be withdrawn on the 30th March 2025.

In accordance with this guidance the following transition rules will come into effect in the TrustMark Data Warehouse from the end of 29th March 2025, for both API and Retrofit Portal users.

PAS 2035:2019 Assessments: PAS 2035:2019 Assessments cannot be uploaded to the Data Warehouse if the assessment date (RdSAP Inspection Date) is dated after 29th March 2025.

PAS 2035:2019 Projects: In PAS 2035:2019 projects, lodgements cannot be made if the measure handover date is dated after 29th March 2025.

Amendments to PAS 2035:2019 lodgements and projects can continue to take place after the transition date, provided the above rules at points 1 & 2 are met.

Trustmark advise Scheme Providers not to withdraw PAS 2030:2019 trade codes from businesses until all measures within the allowed timeframe have been lodged.

Are you confident you understand what will be happening and what contingencies do you have in place for transitioning to the new process? It would be useful to identify and plan for the likely issues before they arise, and the Proficiency forum is the best place to do that.

There is a summary of the Transition Rules on the Trustmark website at https://www.trustmark.org.uk/business/information-guidance/pas-20352019-pas-203020352023/retrofit-portal