{"schemaVersion":"1.0","id":"how-kitchens-fail","dataset":"hygiene-components","title":"How kitchens fail","description":"One rating hides three separate judgements, and they do not fail together.","methodology":"Mean score for each of the three components behind a food hygiene rating across every rated London premises: food hygiene, structure and cleanliness, and confidence in management. Lower is better on all three — zero is compliant and 25 is urgent. A kitchen can be spotless and badly run, and the single headline rating cannot say which.","category":"environment","categoryLabel":"Environment","cadence":"monthly","placeholder":false,"landingPage":"https://londongraph.com/g/how-kitchens-fail","markdown":"https://londongraph.com/g/how-kitchens-fail/index.html.md","source":{"name":"Food Standards Agency","url":"https://ratings.food.gov.uk/","licence":"Open Government Licence v3.0","licenceUrl":"https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/"},"updatedAt":"2026-07-31T15:33:53.345Z","release":{"label":null,"publishedAt":null,"resourceUrl":null,"methodologyUrl":null,"sha256":null},"observations":[{"series":"","buckets":["Confidence in management","Structure and cleanliness","Food hygiene"],"values":[4.82,4.55,3.57],"unit":"mean score, lower is better","metadata":[{},{},{}]}],"areaStatistics":null,"visualizations":[{"id":"london-means","label":"London means","description":"Compare the three published component scores; lower means better compliance.","url":"https://londongraph.com/g/how-kitchens-fail","renderer":"primary","default":true,"timeControl":"inherit","datasets":[],"transform":null,"controls":null,"metrics":[],"caveat":null},{"id":"borough-matrix","label":"Borough components","description":"Compare food hygiene, structure and confidence-in-management mean scores across boroughs.","url":"https://londongraph.com/g/how-kitchens-fail?view=borough-matrix","renderer":"matrix","default":false,"timeControl":"inherit","datasets":["hygiene-component-matrix"],"transform":null,"controls":null,"metrics":[],"caveat":"Component scores are inspector judgements on a lower-is-better scale and are not percentages."}],"availability":"observations","note":"The release is complete for the measures represented on the graph page."}