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      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "nn3/maidencastle/36",
      "property_url": "https://openproperties.uk/nn3/maidencastle/36"
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    {
      "url": "https://openproperties.uk/nn3/maidencastle/36/098bd1f6-2183-4d41-bc06-14413fb47cd6",
      "transaction_id": "098BD1F6-2183-4D41-BC06-14413FB47CD6",
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      "date_of_transfer": "2001-01-08",
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      "street": "MAIDENCASTLE",
      "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/maidencastle/36",
      "property_url": "https://openproperties.uk/nn3/maidencastle/36"
    },
    {
      "url": "https://openproperties.uk/nn3/maidencastle/36/03c64e91-fafc-44dc-bda4-bcf808e9c763",
      "transaction_id": "03C64E91-FAFC-44DC-BDA4-BCF808E9C763",
      "price": 22000,
      "date_of_transfer": "1998-09-30",
      "postcode": "NN3 8EH",
      "property_type": "T",
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      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "36",
      "saon": null,
      "street": "MAIDENCASTLE",
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      "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/maidencastle/36",
      "property_url": "https://openproperties.uk/nn3/maidencastle/36"
    }
  ],
  "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
    }
  ]
}