Using Administrative Data Linkage to Drive Homelessness Policy: Experiences From Wales

This article profiles Administrative Data Research Wales (ADR-W) and its use of data linkage to support homelessness policy and practice in Wales, United Kingdom. Despite having a national integrated data system for nearly a decade, Wales lacks the capacity-and, more important, the homelessness administrative data-necessary to engage in linkage -based research. However, the formation of ADR-W, with a remit to make better use of public -sector data, has instigated a rapid shift in the use of administrative data linkage in Wales. This article introduces the ADR-W, situating it as part of a wider turn to administrative data in the United Kingdom before providing an overview of the operation of the integrated data system ADR-W uses to conduct research-the Secure Anonymised Information Linkage Databank. This article offers insights into some of the homelessness research ADR-W conducts, highlighting key policy -relevant findings-including the effectiveness of the COVID-19 response. This article also critically reflects on some of the challenges with the current homelessness administrative data landscape in Wales, concluding with a note on its future direction.