Background Housing hazards and houses in multiple occupation (HMO) licensing: quality report This report covers the general principles and processes leading up to the production of our statistics. First published: 23 March 2023 Last updated: 14 May 2026 Documents Housing hazards and houses in multiple occupation (HMO) licensing: quality report Housing hazards and houses in multiple occupation (HMO) licensing: quality report , HTML HTML Series Housing hazards Related Statistics and research