{
  "counts": {
    "postcodes": 1809062
  },
  "counts_refreshed_at": "2026-10-24T17:26:03.775Z",
  "sources": [
    {
      "source": "onspd",
      "label": "ONS Postcode Directory (postcodes, coordinates and geography codes)",
      "cadence": "Quarterly (February, May, August, November), each edition loaded by hand",
      "edition": "ONSPD May 2026",
      "last_success_at": null
    },
    {
      "source": "names",
      "label": "ONS Names and Codes registers, and House of Commons Library MSOA names",
      "cadence": "With each ONS Postcode Directory edition",
      "edition": "ONSPD May 2026",
      "last_success_at": null
    },
    {
      "source": "nearest",
      "label": "Nearest places (stations, hospitals, GPs, schools, airports, bus stops, food banks, defibrillators, pharmacies, post offices, libraries and the coast)",
      "cadence": "Refreshed now and then, not on a fixed cycle",
      "edition": "Varies by source (see /sources)",
      "last_success_at": null
    },
    {
      "source": "boundaries",
      "label": "Postcode boundaries (Mark Longair, from ONS address points)",
      "cadence": "A single snapshot, not refreshed",
      "edition": "2021",
      "last_success_at": null
    },
    {
      "source": "utilities",
      "label": "Electricity, water and sewerage supply areas (NESO, Ofwat)",
      "cadence": "When NESO or Ofwat publish a revision",
      "edition": "NESO 2024-05-03; Ofwat v1.5, April 2024",
      "last_success_at": null
    },
    {
      "source": "broadband",
      "label": "Fixed broadband coverage (Ofcom Connected Nations)",
      "cadence": "When Ofcom publish, about twice a year",
      "edition": "Connected Nations 2024",
      "last_success_at": null
    },
    {
      "source": "wmm",
      "label": "World Magnetic Model, for magnetic declination",
      "cadence": "Every five years",
      "edition": "WMM2025, valid 2025 to 2030",
      "last_success_at": null
    }
  ],
  "not_held": [
    "Addresses, or how many addresses a postcode has",
    "Terminated (retired) postcodes",
    "A search from a point or a place name to its postcode",
    "Boundaries for Northern Ireland, the Channel Islands and the Isle of Man",
    "Schools in Wales and Northern Ireland, and hospitals and GPs in Scotland and Wales",
    "Property sales (openproperties.uk) and the companies registered at a postcode (opencompanies.uk)"
  ],
  "coverage_notes": [
    "Live postcodes only: terminated postcodes are left out, so a postcode that is not found may have been retired.",
    "Coordinates are the centroid of the postcode, not any one building. The Channel Islands, the Isle of Man and GIR 0AA have none, so their location fields are null.",
    "Deprivation (classification.imd) is a rank on each country's own index (England's IMD, Scotland's SIMD, Wales's WIMD, Northern Ireland's NIMDM), 1 being the most deprived. Ranks do not compare across countries.",
    "Nearest places are straight-line distances from the centroid, and coverage varies: schools for England and Scotland only, hospitals and GPs for England and Northern Ireland only (its hospitals a hand-compiled list of major sites).",
    "Boundaries are approximate (a 2021 Voronoi diagram of address points), Great Britain only, missing for postcodes introduced since, and not legal boundaries.",
    "Electricity, water and sewerage companies come from supply-area maps: approximate, not a record of supply, and new-build connections in particular may differ.",
    "Broadband figures are Ofcom's percentages of premises, for Great Britain and Northern Ireland, and null where Ofcom has no record for the postcode.",
    "sun (sunrise, solar noon, sunset) and magnetic_declination are for today and change daily; declination is null outside the World Magnetic Model's 2025 to 2030 window.",
    "Northern Ireland postcodes (BT) are under the Northern Ireland End User Licence: commercial re-use may need a licence from Land & Property Services."
  ],
  "edition": "ONSPD May 2026",
  "coverage": {
    "geography": "The United Kingdom, the Channel Islands and the Isle of Man",
    "postcodes": "Live postcodes only; terminated ones are left out"
  },
  "today": "2026-10-24",
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains OS data © Crown copyright and database right 2026. Contains Royal Mail data © Royal Mail copyright and database right 2026. Source: Office for National Statistics licensed under the Open Government Licence v3.0."
}