{"type":"FeatureCollection","metadata":{"area":"AL","name":"St Albans","dataVersion":"2026-07-20","generatedAt":"2026-09-16T01:21:57.501Z","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":[515810,206909]},"properties":{"district":"AL1","settlement":"St Albans","settlementBasis":"nearest town, 1.1km","postcodeUnits":1217,"waterCompanies":["Affinity Water","Thames Water"],"waterCompanySlugs":["affinity-water","thames-water"],"restrictionStatus":"ban_in_force","restrictionLabel":"Ban in force"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[515059,203565]},"properties":{"district":"AL2","settlement":"St Albans","settlementBasis":"nearest town, 3.7km","postcodeUnits":737,"waterCompanies":["Affinity Water","Thames Water"],"waterCompanySlugs":["affinity-water","thames-water"],"restrictionStatus":"ban_in_force","restrictionLabel":"Ban in force"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[512011,210334]},"properties":{"district":"AL3","settlement":"St Albans","settlementBasis":"densest named place in district","postcodeUnits":955,"waterCompanies":["Affinity Water","Thames Water"],"waterCompanySlugs":["affinity-water","thames-water"],"restrictionStatus":"ban_in_force","restrictionLabel":"Ban in force"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[517750,209720]},"properties":{"district":"AL4","settlement":"St Albans","settlementBasis":"nearest town, 3.9km","postcodeUnits":787,"waterCompanies":["Affinity Water","Thames Water"],"waterCompanySlugs":["affinity-water","thames-water"],"restrictionStatus":"ban_in_force","restrictionLabel":"Ban in force"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[513669,214313]},"properties":{"district":"AL5","settlement":"Harpenden","settlementBasis":"densest named place in district","postcodeUnits":1058,"waterCompanies":["Affinity Water","Thames Water"],"waterCompanySlugs":["affinity-water","thames-water"],"restrictionStatus":"ban_in_force","restrictionLabel":"Ban in force"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[524141,216379]},"properties":{"district":"AL6","settlement":"Welwyn Garden City","settlementBasis":"nearest town, 3.2km","postcodeUnits":506,"waterCompanies":["Affinity Water","Thames Water"],"waterCompanySlugs":["affinity-water","thames-water"],"restrictionStatus":"ban_in_force","restrictionLabel":"Ban in force"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[525107,212463]},"properties":{"district":"AL7","settlement":"Welwyn Garden City","settlementBasis":"nearest town, 1.5km","postcodeUnits":895,"waterCompanies":["Affinity Water","Thames Water"],"waterCompanySlugs":["affinity-water","thames-water"],"restrictionStatus":"ban_in_force","restrictionLabel":"Ban in force"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[523394,213177]},"properties":{"district":"AL8","settlement":"Welwyn Garden City","settlementBasis":"densest named place in district","postcodeUnits":422,"waterCompanies":["Affinity Water","Thames Water"],"waterCompanySlugs":["affinity-water","thames-water"],"restrictionStatus":"ban_in_force","restrictionLabel":"Ban in force"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[524545,206608]},"properties":{"district":"AL9","settlement":"Hatfield","settlementBasis":"nearest town, 2.8km","postcodeUnits":429,"waterCompanies":["Affinity Water","Thames Water"],"waterCompanySlugs":["affinity-water","thames-water"],"restrictionStatus":"ban_in_force","restrictionLabel":"Ban in force"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[522079,208311]},"properties":{"district":"AL10","settlement":"Hatfield","settlementBasis":"densest named place in district","postcodeUnits":786,"waterCompanies":["Affinity Water","Thames Water"],"waterCompanySlugs":["affinity-water","thames-water"],"restrictionStatus":"ban_in_force","restrictionLabel":"Ban in force"}}]}