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      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "nn3/westone-avenue/20",
      "property_url": "https://openproperties.uk/nn3/westone-avenue/20"
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      "url": "https://openproperties.uk/nn3/westone-avenue/20/70854a61-0693-4173-82b8-22648d9dd4b7",
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      "date_of_transfer": "2006-03-10",
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      "street": "WESTONE AVENUE",
      "locality": "NORTHAMPTON",
      "town_city": "NORTHAMPTON",
      "district": "NORTHAMPTON",
      "county": "NORTHAMPTONSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "nn3/westone-avenue/20",
      "property_url": "https://openproperties.uk/nn3/westone-avenue/20"
    },
    {
      "url": "https://openproperties.uk/nn3/westone-avenue/20/c6ce480e-1d1f-4162-b633-3bf55140d22a",
      "transaction_id": "C6CE480E-1D1F-4162-B633-3BF55140D22A",
      "price": 63000,
      "date_of_transfer": "1998-06-12",
      "postcode": "NN3 3JJ",
      "property_type": "S",
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      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "20",
      "saon": null,
      "street": "WESTONE AVENUE",
      "locality": "NORTHAMPTON",
      "town_city": "NORTHAMPTON",
      "district": "NORTHAMPTON",
      "county": "NORTHAMPTONSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "nn3/westone-avenue/20",
      "property_url": "https://openproperties.uk/nn3/westone-avenue/20"
    }
  ],
  "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
    }
  ]
}