{"schemaVersion":"1.0","id":"nhs-cancer-standards","dataset":"nhs-cancer-standards","title":"London cancer waiting-time standards","description":"Faster diagnosis, 31-day treatment and 62-day referral-to-treatment performance across London providers.","methodology":"Provider-level totals and within-standard counts are summed across organisations assigned to the NHS London region, then divided to produce patient-weighted rates. The source workbook combines final and provisional months. Standards before October 2023 are not directly comparable with the current 31-day and 62-day framework; this graph uses the current workbook window.","category":"nhs","categoryLabel":"NHS","cadence":"monthly","placeholder":false,"landingPage":"https://londongraph.com/g/nhs-cancer-standards","markdown":"https://londongraph.com/g/nhs-cancer-standards/index.html.md","source":{"name":"NHS England","url":"https://www.england.nhs.uk/statistics/statistical-work-areas/cancer-waiting-times/","licence":"Open Government Licence v3.0","licenceUrl":"https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/"},"updatedAt":"2026-08-01T23:45:53.570Z","release":{"label":"2026-05","publishedAt":null,"resourceUrl":"https://www.england.nhs.uk/statistics/wp-content/uploads/sites/2/2026/07/May-2026-Monthly-Time-Series-with-Revisions-1.xlsx","methodologyUrl":"https://www.england.nhs.uk/statistics/statistical-work-areas/cancer-waiting-times/","sha256":"92bde40167388c3e13d648641054574d746344cac88dc9cd9047afeb2e822b7e"},"observations":[{"series":"Faster diagnosis within 28 days","buckets":["2025-04","2025-05","2025-06","2025-07","2025-08","2025-09","2025-10","2025-11","2025-12","2026-01","2026-02","2026-03","2026-04","2026-05"],"values":[79.43864229765013,77.80182444382389,79.47886378886156,79.06071774176944,77.4677852186737,77.43548316667395,78.5648337019303,79.55610829426959,80.82403965303594,77.39209028507219,82.89658512957132,81.64014687882496,79.14936780524627,81.79861791922718],"unit":"% meeting standard","metadata":[{"flags":["provisional"],"metrics":{"within_standard":34076,"publication_status":"mixed final and provisional"},"denominator":42896,"geographyType":"region"},{"flags":["provisional"],"metrics":{"within_standard":33433,"publication_status":"mixed final and provisional"},"denominator":42972,"geographyType":"region"},{"flags":["provisional"],"metrics":{"within_standard":35535,"publication_status":"mixed final and provisional"},"denominator":44710,"geographyType":"region"},{"flags":["provisional"],"metrics":{"within_standard":38399,"publication_status":"mixed final and provisional"},"denominator":48569,"geographyType":"region"},{"flags":["provisional"],"metrics":{"within_standard":32043,"publication_status":"mixed final and provisional"},"denominator":41363,"geographyType":"region"},{"flags":["provisional"],"metrics":{"within_standard":35467,"publication_status":"mixed final and provisional"},"denominator":45802,"geographyType":"region"},{"flags":["provisional"],"metrics":{"within_standard":36590,"publication_status":"mixed final and provisional"},"denominator":46573,"geographyType":"region"},{"flags":["provisional"],"metrics":{"within_standard":33264,"publication_status":"mixed final and provisional"},"denominator":41812,"geographyType":"region"},{"flags":["provisional"],"metrics":{"within_standard":33917,"publication_status":"mixed final and provisional"},"denominator":41964,"geographyType":"region"},{"flags":["provisional"],"metrics":{"within_standard":31682,"publication_status":"mixed final and provisional"},"denominator":40937,"geographyType":"region"},{"flags":["provisional"],"metrics":{"within_standard":34228,"publication_status":"mixed final and provisional"},"denominator":41290,"geographyType":"region"},{"flags":["provisional"],"metrics":{"within_standard":37352,"publication_status":"mixed final and provisional"},"denominator":45752,"geographyType":"region"},{"flags":["provisional"],"metrics":{"within_standard":33553,"publication_status":"mixed final and provisional"},"denominator":42392,"geographyType":"region"},{"flags":["provisional"],"metrics":{"within_standard":34209,"publication_status":"mixed final and provisional"},"denominator":41821,"geographyType":"region"}]},{"series":"Treatment within 31 days","buckets":["2025-04","2025-05","2025-06","2025-07","2025-08","2025-09","2025-10","2025-11","2025-12","2026-01","2026-02","2026-03","2026-04","2026-05"],"values":[94.59536745782098,94.65879642959976,95.49623545516769,95.39448848622122,95.09257865422249,94.09908055441196,94.66089466089466,93.88422699473759,95.2419572857529,92.97089511257552,95.4121759394116,95.2191235059761,94.51875545216633,95.43244437895979],"unit":"% meeting standard","metadata":[{"flags":["provisional"],"metrics":{"within_standard":6616,"publication_status":"mixed final and provisional"},"denominator":6994,"geographyType":"region"},{"flags":["provisional"],"metrics":{"within_standard":6575,"publication_status":"mixed final and provisional"},"denominator":6946,"geographyType":"region"},{"flags":["provisional"],"metrics":{"within_standard":6976,"publication_status":"mixed final and provisional"},"denominator":7305,"geographyType":"region"},{"flags":["provisional"],"metrics":{"within_standard":7581,"publication_status":"mixed final and provisional"},"denominator":7947,"geographyType":"region"},{"flags":["provisional"],"metrics":{"within_standard":6317,"publication_status":"mixed final and provisional"},"denominator":6643,"geographyType":"region"},{"flags":["provisional"],"metrics":{"within_standard":6857,"publication_status":"mixed final and provisional"},"denominator":7287,"geographyType":"region"},{"flags":["provisional"],"metrics":{"within_standard":7216,"publication_status":"mixed final and provisional"},"denominator":7623,"geographyType":"region"},{"flags":["provisional"],"metrics":{"within_standard":6601,"publication_status":"mixed final and provisional"},"denominator":7031,"geographyType":"region"},{"flags":["provisional"],"metrics":{"within_standard":7046,"publication_status":"mixed final and provisional"},"denominator":7398,"geographyType":"region"},{"flags":["provisional"],"metrics":{"within_standard":6772,"publication_status":"mixed final and provisional"},"denominator":7284,"geographyType":"region"},{"flags":["provisional"],"metrics":{"within_standard":6551,"publication_status":"mixed final and provisional"},"denominator":6866,"geographyType":"region"},{"flags":["provisional"],"metrics":{"within_standard":7170,"publication_status":"mixed final and provisional"},"denominator":7530,"geographyType":"region"},{"flags":["provisional"],"metrics":{"within_standard":6501,"publication_status":"mixed final and provisional"},"denominator":6878,"geographyType":"region"},{"flags":["provisional"],"metrics":{"within_standard":6477,"publication_status":"mixed final and provisional"},"denominator":6787,"geographyType":"region"}]},{"series":"Treatment within 62 days of referral","buckets":["2025-04","2025-05","2025-06","2025-07","2025-08","2025-09","2025-10","2025-11","2025-12","2026-01","2026-02","2026-03","2026-04","2026-05"],"values":[72.66079689598567,70.58823529411765,70.4031465093412,71.11111111111111,73.28219878555448,71.72161172161172,72.82366071428571,73.53298875038006,75.50325636471284,72.679778733866,72.64106211474632,77.98138452588714,76.6488413547237,76.13932291666666],"unit":"% meeting standard","metadata":[{"flags":["provisional"],"metrics":{"within_standard":2434.5,"publication_status":"mixed final and provisional"},"denominator":3350.5,"geographyType":"region"},{"flags":["provisional"],"metrics":{"within_standard":2376,"publication_status":"mixed final and provisional"},"denominator":3366,"geographyType":"region"},{"flags":["provisional"],"metrics":{"within_standard":2506,"publication_status":"mixed final and provisional"},"denominator":3559.5,"geographyType":"region"},{"flags":["provisional"],"metrics":{"within_standard":2656,"publication_status":"mixed final and provisional"},"denominator":3735,"geographyType":"region"},{"flags":["provisional"],"metrics":{"within_standard":2293,"publication_status":"mixed final and provisional"},"denominator":3129,"geographyType":"region"},{"flags":["provisional"],"metrics":{"within_standard":2447.5,"publication_status":"mixed final and provisional"},"denominator":3412.5,"geographyType":"region"},{"flags":["provisional"],"metrics":{"within_standard":2610,"publication_status":"mixed final and provisional"},"denominator":3584,"geographyType":"region"},{"flags":["provisional"],"metrics":{"within_standard":2418.5,"publication_status":"mixed final and provisional"},"denominator":3289,"geographyType":"region"},{"flags":["provisional"],"metrics":{"within_standard":2550.5,"publication_status":"mixed final and provisional"},"denominator":3378,"geographyType":"region"},{"flags":["provisional"],"metrics":{"within_standard":2365,"publication_status":"mixed final and provisional"},"denominator":3254,"geographyType":"region"},{"flags":["provisional"],"metrics":{"within_standard":2298,"publication_status":"mixed final and provisional"},"denominator":3163.5,"geographyType":"region"},{"flags":["provisional"],"metrics":{"within_standard":2681,"publication_status":"mixed final and provisional"},"denominator":3438,"geographyType":"region"},{"flags":["provisional"],"metrics":{"within_standard":2365,"publication_status":"mixed final and provisional"},"denominator":3085.5,"geographyType":"region"},{"flags":["provisional"],"metrics":{"within_standard":2339,"publication_status":"mixed final and provisional"},"denominator":3072,"geographyType":"region"}]}],"areaStatistics":null,"visualizations":[{"id":"overview","label":"Trend","description":"Faster diagnosis, 31-day treatment and 62-day referral-to-treatment performance across London providers.","url":"https://londongraph.com/g/nhs-cancer-standards","renderer":"primary","default":true,"timeControl":"inherit","datasets":[],"transform":null,"controls":null,"metrics":[],"caveat":null},{"id":"small-multiples","label":"Small multiples","description":"Give each series its own aligned panel.","url":"https://londongraph.com/g/nhs-cancer-standards?view=small-multiples","renderer":"small-multiples","default":false,"timeControl":"inherit","datasets":[],"transform":null,"controls":null,"metrics":[],"caveat":null},{"id":"change","label":"Change","description":"Show the change from each preceding published period.","url":"https://londongraph.com/g/nhs-cancer-standards?view=change","renderer":"delta","default":false,"timeControl":"inherit","datasets":[],"transform":null,"controls":null,"metrics":[],"caveat":null}],"availability":"observations","note":"The release is complete for the measures represented on the graph page."}