The information presented here covers Houses in Multiple Occupation (HMOs), as estimated by local authorities.
The information on HMOs provided by local authorities was reviewed during 2009 and following consultation changes were introduced to the data items collected. The number of known HMOs was added following the review and was not previously collected and published.
Data collection and calculation
The information presented here is collected via annual returns from Welsh planning authorities on Hazards & Licences during each year.