BACKGROUND: Household overcrowding has increased in England. However, there is limited synthesis of evidence about what can be done to reduce the impact of overcrowding on health/wellbeing. METHODS: A rapid realist review of English language peer-reviewed and grey literature of interventions from comparable settings to urban contexts in England that addressed household overcrowding/health outcomes. A search was conducted (01.06.23 and updated on 07.03.25) in MEDLINE, EMBASE, Web of Science, S...
