The Department told us it designed the consumer protection and quality assurance system in response to the 2016 Each Home Counts review, introducing a single quality mark (delivered by TrustMark) and higher standards that consider multi-measure retrofits in the context of the whole home.69 It told us that the new system worked “alongside and with the grain” of the UK’s existing, decentralised model of standards that relied on the private sector.70 However, the Department accepted that the system was “too layered, fragmented and complicated and has not provided the protection that consumers deserve”.71