CWISC

CWISC is a Competent Person Scheme that is operated by The Installation Assurance Authority (IAA) and has been approved by the Department of Levelling Up Communities and Housing (DLUHC). Since it's authorisation in 2010 over 1 million installations have been completed under the scheme, meaning that it is one of the largest Competent Persons Schemes.

Also known as: Cavity Wall Insulation Self Certification Scheme

Primary location: Leighton Buzzard United Kingdom