Cavity Insulation Guarantee Agency

The Cavity Insulation Guarantee Agency provides independent 25 year guarantees for Cavity Wall Insulation fitted by registered installers in the UK and Channel islands.

Diversity

Diversity Management Services is an approved TrustMark scheme operator. We help tradesmen achieve accreditation and support them through the entire process, from initial enquiry to fully validated and accredited membership status. TrustMark is all about local, trustworthy and reliable tradesmen – operating to Government endorsed standards. It is a not for profit organisation which is licensed by Government, and supported by consumer protection groups.

The Insulation Assurance Authority

The Insulation Assurance Authority (IAA) is the technical authority and industry body that provides a quality assurance framework under a single compliance platform. Our framework gives homeowners, key stakeholders and funders the confidence that insulation work is carried out to the highest standards and subject to a level of rigor and surveillance which helps ensure it is done Right First Time.

TrustMark

TrustMark is a not for profit organisation, licensed by Government and supported by consumer protection groups, helping you find local, trustworthy & reliable tradesmen, operating to Government endorsed standards.

TrustMark is a quality mark which operates a framework under which 30 plus scheme operators working in the Repair, Maintenance and Improvement sectors are approved to carry the TrustMark logo and recruit reputable and trustworthy tradesmen.

All of these scheme operators are audited annually by TrustMark, to ensure processes, standards and complaints procedures are being maintained.