{"data":{"postcode":"W1A 1AA","geographic_basis":"point_intersection_at_postcode_centroid","status":"available","constraints":[{"entity":"44002856","dataset":"conservation-area","name":"Harley Street","reference":"07/01600/CONARA","start_date":"2008-02-21","end_date":""},{"entity":"7010005187","dataset":"article-4-direction-area","name":"Article 4 Basement Development Permitted Rights Removed","reference":"23/00006/REG_4","start_date":"2016-07-31","end_date":""}],"datasets_checked":["conservation-area","listed-building","article-4-direction-area","green-belt","brownfield-land","scheduled-monument","flood-risk-zone"],"fetched_at":"2026-08-08T12:37:54.245Z"},"sources":[{"slug":"onspd","name":"ONS Postcode Directory","publisher":"Office for National Statistics","source_url":"https://geoportal.statistics.gov.uk/search?categories=ons+postcode+directory","licence_name":"Open Government Licence v3.0","licence_url":"https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/","as_of":"2026-05","imported_at":"2026-08-07T21:25:53.291Z"},{"slug":"planning-data","name":"Planning Data","publisher":"Ministry of Housing, Communities & Local Government","source_url":"https://www.planning.data.gov.uk/docs","licence_name":"Open Government Licence v3.0","licence_url":"https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/","as_of":"2026-08-08","imported_at":"2026-08-08T12:37:54.245Z"}],"notices":["Planning Data coverage and freshness vary by dataset and local planning authority; no returned entity does not prove that no constraint exists.","This is factual designation data, not planning or legal advice."]}