{"schemaVersion":"1.0","type":"DataStory","id":"the-layers-london-keeps","title":"The layers London keeps","description":"Culture, listed buildings, heritage at risk and tree registers preserve four very different versions of place.","introduction":"Official designation, cultural-venue records and local tree registers do not measure what residents value most. They show what institutions have recorded, protected or funded—and where their coverage thins.","category":"Place and memory","canonical":"https://londongraph.com/story/the-layers-london-keeps","markdown":"https://londongraph.com/story/the-layers-london-keeps/index.html.md","updatedAt":"2026-07-31T23:59:07.787Z","caveat":"Every source reflects institutional definitions and uneven recording coverage. Counts are not measures of cultural worth, neighbourhood quality or ecological abundance.","evidence":[{"dataset":"culture-boroughs","graphSlug":"cultural-boroughs","label":"Recorded cultural venues","text":"Cultural venues in the GLA inventory aggregated by borough.","shape":"categories","graph":"https://londongraph.com/g/cultural-boroughs","claim":{"dataset":"culture-boroughs","graphSlug":"cultural-boroughs","label":"Recorded cultural venues","text":"Cultural venues in the GLA inventory aggregated by borough.","headlineLabel":"Camden","value":154,"unit":"cultural venues","period":"Camden","comparisonLabel":"Hackney","comparisonValue":150,"caveat":null,"release":{"updatedAt":"2026-07-31T23:28:05.457Z","resourceUrl":null,"methodologyUrl":null,"releaseLabel":null,"sourcePublishedAt":null,"resourceChecksum":null}}},{"dataset":"listed-by-borough","graphSlug":"where-protection-concentrates","label":"Listed heritage","text":"Nationally listed entries aggregated by borough.","shape":"categories","graph":"https://londongraph.com/g/where-protection-concentrates","claim":{"dataset":"listed-by-borough","graphSlug":"where-protection-concentrates","label":"Listed heritage","text":"Nationally listed entries aggregated by borough.","headlineLabel":"Westminster","value":4014,"unit":"listed buildings","period":"Westminster","comparisonLabel":"Camden","comparisonValue":1968,"caveat":null,"release":{"updatedAt":"2026-07-31T23:58:58.676Z","resourceUrl":null,"methodologyUrl":null,"releaseLabel":null,"sourcePublishedAt":null,"resourceChecksum":null}}},{"dataset":"heritage-at-risk","graphSlug":"where-heritage-is-losing","label":"Heritage at risk","text":"Published at-risk entries aggregated by borough.","shape":"categories","graph":"https://londongraph.com/g/where-heritage-is-losing","claim":{"dataset":"heritage-at-risk","graphSlug":"where-heritage-is-losing","label":"Heritage at risk","text":"Published at-risk entries aggregated by borough.","headlineLabel":"Hillingdon","value":45,"unit":"entries on the register","period":"Hillingdon","comparisonLabel":"Kensington and Chelsea","comparisonValue":43,"caveat":null,"release":{"updatedAt":"2026-07-31T23:59:07.787Z","resourceUrl":null,"methodologyUrl":null,"releaseLabel":null,"sourcePublishedAt":null,"resourceChecksum":null}}},{"dataset":"trees-by-borough","graphSlug":"what-each-borough-has-counted","label":"Recorded trees","text":"Trees present in contributing local registers, not a canopy census.","shape":"categories","caveat":"Register coverage differs sharply between boroughs.","graph":"https://londongraph.com/g/what-each-borough-has-counted","claim":{"dataset":"trees-by-borough","graphSlug":"what-each-borough-has-counted","label":"Recorded trees","text":"Trees present in contributing local registers, not a canopy census.","headlineLabel":"Enfield","value":109897,"unit":"trees maintained","period":"Enfield","comparisonLabel":"Ealing","comparisonValue":67328,"caveat":"Register coverage differs sharply between boroughs.","release":{"updatedAt":"2026-07-31T23:24:32.558Z","resourceUrl":null,"methodologyUrl":null,"releaseLabel":null,"sourcePublishedAt":null,"resourceChecksum":null}}}],"sources":[{"name":"GLA Cultural Infrastructure Map","url":"https://data.london.gov.uk/dataset/cultural-infrastructure-map-2ko88/","graphSlug":"cultural-boroughs"},{"name":"Planning Data (MHCLG)","url":"https://www.planning.data.gov.uk/","graphSlug":"where-protection-concentrates"},{"name":"GLA / GiGL","url":"https://data.london.gov.uk/dataset/local-authority-maintained-trees/","graphSlug":"what-each-borough-has-counted"}]}