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Certass Glazing Scheme

Certass, is a competent person scheme covering the installation of replacement windows, doors and associated glazing products in domestic properties, and is licensed by the Department for Communities and Local Government. Certass, established in 2006, is a not for profit organisation and is dedicated to raising standards in the glazing industry. Membership of Certass enables contractors to self-certify installations as an alternative to submitting a building notice or using an approved inspector.