Standards and accreditations, Support for businesses delivering retrofit

Supply Chain Advice Pack: PAS 2035 TrustMark Lodgement

Introduction

TrustMark lodgement is the process that ensures retrofit work is compliant with government standards and is properly recorded in the TrustMark Data Warehouse.

Published: 5 December 2025

Compliant lodgement of the key project documentation is necessary before funding will be released in WH: Social Housing Fund Wave 3 and WH: Local Grant schemes. Please refer to Trustmark for the latest guidance.

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Readers that would like this document in a more accessible format should contact rise@turntown.co.uk.

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