{"type":"FeatureCollection","metadata":{"area":"SW","name":"City of Westminster","dataVersion":"2026-07-20","generatedAt":"2026-09-16T01:21:46.212Z","statusNote":"Restriction status is live at generation time and changes. Re-fetch rather than cache.","geometryNote":"Points are averaged postcode unit centroids, not boundaries, and are not legal boundaries.","attribution":["Contains Ordnance Survey data © Crown copyright and database right 2026.","Contains Royal Mail data © Royal Mail copyright and database right 2026.","Contains National Statistics data © Crown copyright and database right 2026."],"licence":"http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/","crs":"EPSG:27700 (British National Grid)"},"features":[{"type":"Feature","geometry":{"type":"Point","coordinates":[530749,173931]},"properties":{"district":"SW2","settlement":"City of Westminster","settlementBasis":"nearest town, 5.8km","postcodeUnits":1034,"waterCompanies":["Thames Water"],"waterCompanySlugs":["thames-water"],"restrictionStatus":"ban_in_force","restrictionLabel":"Ban in force"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[527434,178307]},"properties":{"district":"SW3","settlement":"City of Westminster","settlementBasis":"nearest town, 3.0km","postcodeUnits":868,"waterCompanies":["Thames Water"],"waterCompanySlugs":["thames-water"],"restrictionStatus":"ban_in_force","restrictionLabel":"Ban in force"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[529557,175201]},"properties":{"district":"SW4","settlement":"City of Westminster","settlementBasis":"nearest town, 4.5km","postcodeUnits":932,"waterCompanies":["Thames Water"],"waterCompanySlugs":["thames-water"],"restrictionStatus":"ban_in_force","restrictionLabel":"Ban in force"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[525625,178513]},"properties":{"district":"SW5","settlement":"City of Westminster","settlementBasis":"nearest town, 4.7km","postcodeUnits":306,"waterCompanies":["Thames Water"],"waterCompanySlugs":["thames-water"],"restrictionStatus":"ban_in_force","restrictionLabel":"Ban in force"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[525035,176821]},"properties":{"district":"SW6","settlement":"City of Westminster","settlementBasis":"nearest town, 5.9km","postcodeUnits":1506,"waterCompanies":["Thames Water"],"waterCompanySlugs":["thames-water"],"restrictionStatus":"ban_in_force","restrictionLabel":"Ban in force"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[526646,179059]},"properties":{"district":"SW7","settlement":"City of Westminster","settlementBasis":"nearest town, 3.6km","postcodeUnits":639,"waterCompanies":["Thames Water"],"waterCompanySlugs":["thames-water"],"restrictionStatus":"ban_in_force","restrictionLabel":"Ban in force"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[529825,176969]},"properties":{"district":"SW8","settlement":"City of Westminster","settlementBasis":"nearest town, 2.7km","postcodeUnits":858,"waterCompanies":["Thames Water"],"waterCompanySlugs":["thames-water"],"restrictionStatus":"ban_in_force","restrictionLabel":"Ban in force"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[531101,176174]},"properties":{"district":"SW9","settlement":"City of Westminster","settlementBasis":"nearest town, 3.6km","postcodeUnits":969,"waterCompanies":["Thames Water"],"waterCompanySlugs":["thames-water"],"restrictionStatus":"ban_in_force","restrictionLabel":"Ban in force"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[526279,177646]},"properties":{"district":"SW10","settlement":"City of Westminster","settlementBasis":"nearest town, 4.4km","postcodeUnits":468,"waterCompanies":["Thames Water"],"waterCompanySlugs":["thames-water"],"restrictionStatus":"ban_in_force","restrictionLabel":"Ban in force"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[527704,176021]},"properties":{"district":"SW11","settlement":"City of Westminster","settlementBasis":"nearest town, 4.4km","postcodeUnits":1527,"waterCompanies":["Thames Water"],"waterCompanySlugs":["thames-water"],"restrictionStatus":"ban_in_force","restrictionLabel":"Ban in force"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[528723,173550]},"properties":{"district":"SW12","settlement":"City of Westminster","settlementBasis":"nearest town, 6.3km","postcodeUnits":594,"waterCompanies":["Thames Water"],"waterCompanySlugs":["thames-water"],"restrictionStatus":"ban_in_force","restrictionLabel":"Ban in force"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[522098,176723]},"properties":{"district":"SW13","settlement":"City of Westminster","settlementBasis":"nearest town, 8.6km","postcodeUnits":373,"waterCompanies":["Thames Water"],"waterCompanySlugs":["thames-water"],"restrictionStatus":"ban_in_force","restrictionLabel":"Ban in force"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[520478,175468]},"properties":{"district":"SW14","settlement":"City of Westminster","settlementBasis":"nearest town, 10.6km","postcodeUnits":366,"waterCompanies":["Thames Water"],"waterCompanySlugs":["thames-water"],"restrictionStatus":"ban_in_force","restrictionLabel":"Ban in force"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[523168,174597]},"properties":{"district":"SW15","settlement":"City of Westminster","settlementBasis":"nearest town, 8.6km","postcodeUnits":1225,"waterCompanies":["Thames Water"],"waterCompanySlugs":["thames-water"],"restrictionStatus":"ban_in_force","restrictionLabel":"Ban in force"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[530172,170792]},"properties":{"district":"SW16","settlement":"City of Westminster","settlementBasis":"nearest town, 8.9km","postcodeUnits":1353,"waterCompanies":["Thames Water"],"waterCompanySlugs":["thames-water"],"restrictionStatus":"ban_in_force","restrictionLabel":"Ban in force"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[527639,171825]},"properties":{"district":"SW17","settlement":"City of Westminster","settlementBasis":"nearest town, 8.2km","postcodeUnits":1001,"waterCompanies":["Thames Water"],"waterCompanySlugs":["thames-water"],"restrictionStatus":"ban_in_force","restrictionLabel":"Ban in force"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[525765,174054]},"properties":{"district":"SW18","settlement":"City of Westminster","settlementBasis":"nearest town, 7.1km","postcodeUnits":1242,"waterCompanies":["Thames Water"],"waterCompanySlugs":["thames-water"],"restrictionStatus":"ban_in_force","restrictionLabel":"Ban in force"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[525048,170994]},"properties":{"district":"SW19","settlement":"Ewell","settlementBasis":"nearest town, 8.9km","postcodeUnits":1659,"waterCompanies":["Thames Water"],"waterCompanySlugs":["thames-water"],"restrictionStatus":"ban_in_force","restrictionLabel":"Ban in force"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[523342,169463]},"properties":{"district":"SW20","settlement":"Ewell","settlementBasis":"nearest town, 7.0km","postcodeUnits":570,"waterCompanies":["Thames Water"],"waterCompanySlugs":["thames-water"],"restrictionStatus":"ban_in_force","restrictionLabel":"Ban in force"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[529517,177362]},"properties":{"district":"SW95","settlement":"City of Westminster","settlementBasis":"nearest town, 2.4km","postcodeUnits":44,"waterCompanies":["Thames Water"],"waterCompanySlugs":["thames-water"],"restrictionStatus":"ban_in_force","restrictionLabel":"Ban in force"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[529727,180056]},"properties":{"district":"SW1A","settlement":"City of Westminster","settlementBasis":"densest named place in district","postcodeUnits":145,"waterCompanies":["Thames Water"],"waterCompanySlugs":["thames-water"],"restrictionStatus":"ban_in_force","restrictionLabel":"Ban in force"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[529221,179323]},"properties":{"district":"SW1E","settlement":"City of Westminster","settlementBasis":"nearest town, 1.0km","postcodeUnits":87,"waterCompanies":["Thames Water"],"waterCompanySlugs":["thames-water"],"restrictionStatus":"ban_in_force","restrictionLabel":"Ban in force"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[529656,179396]},"properties":{"district":"SW1H","settlement":"City of Westminster","settlementBasis":"nearest town, 0.6km","postcodeUnits":91,"waterCompanies":["Thames Water"],"waterCompanySlugs":["thames-water"],"restrictionStatus":"ban_in_force","restrictionLabel":"Ban in force"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[529734,178412]},"properties":{"district":"SW1P","settlement":"City of Westminster","settlementBasis":"nearest town, 1.3km","postcodeUnits":752,"waterCompanies":["Thames Water"],"waterCompanySlugs":["thames-water"],"restrictionStatus":"ban_in_force","restrictionLabel":"Ban in force"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[529231,178368]},"properties":{"district":"SW1V","settlement":"City of Westminster","settlementBasis":"nearest town, 1.6km","postcodeUnits":572,"waterCompanies":["Thames Water"],"waterCompanySlugs":["thames-water"],"restrictionStatus":"ban_in_force","restrictionLabel":"Ban in force"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[528452,178701]},"properties":{"district":"SW1W","settlement":"City of Westminster","settlementBasis":"nearest town, 2.0km","postcodeUnits":343,"waterCompanies":["Thames Water"],"waterCompanySlugs":["thames-water"],"restrictionStatus":"ban_in_force","restrictionLabel":"Ban in force"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[528044,179311]},"properties":{"district":"SW1X","settlement":"City of Westminster","settlementBasis":"nearest town, 2.1km","postcodeUnits":402,"waterCompanies":["Thames Water"],"waterCompanySlugs":["thames-water"],"restrictionStatus":"ban_in_force","restrictionLabel":"Ban in force"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[529559,180394]},"properties":{"district":"SW1Y","settlement":"London","settlementBasis":"nearest town, 0.5km","postcodeUnits":183,"waterCompanies":["Thames Water"],"waterCompanySlugs":["thames-water"],"restrictionStatus":"ban_in_force","restrictionLabel":"Ban in force"}}]}