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      "url": "https://openproperties.uk/nn4/keystone/6/61fa0797-e733-4305-a049-3250dacaf13a",
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      "ppd_category_type": "A",
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      "address_path": "nn4/keystone/6",
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    {
      "url": "https://openproperties.uk/nn4/keystone/6/70ad686b-5653-4f32-8f3a-dea07c1a7b81",
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      "price": 179000,
      "date_of_transfer": "1999-06-30",
      "postcode": "NN4 9QZ",
      "property_type": "D",
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      "town_city": "NORTHAMPTON",
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      "ppd_category_type": "A",
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      "address_path": "nn4/keystone/6",
      "property_url": "https://openproperties.uk/nn4/keystone/6"
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  ],
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains HM Land Registry data © Crown copyright and database right. This data is licensed under the Open Government Licence v3.0. Contains OS data © Crown copyright and database right. Postcode locations are Code-Point Open centroids — they locate the postcode, not an individual building.",
  "provenance": [
    {
      "source": "HM Land Registry Price Paid Data",
      "source_url": "https://www.gov.uk/government/statistical-data-sets/price-paid-data-downloads",
      "retrieved_at": "2026-07-09T18:56:26.350736+00:00"
    },
    {
      "source": "OS Code-Point Open",
      "source_url": "https://osdatahub.os.uk/downloads/open/CodePointOpen",
      "retrieved_at": null
    }
  ]
}