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    },
    {
      "paon": "68",
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      "url": "https://openproperties.uk/n21/hillfield-park/68"
    },
    {
      "paon": "69",
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      "url": "https://openproperties.uk/n21/hillfield-park/69"
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    {
      "paon": "71",
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      "first_sale_date": "2001-12-12",
      "last_sale_date": "2001-12-12",
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      "url": "https://openproperties.uk/n21/hillfield-park/71"
    },
    {
      "paon": "72",
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      "url": "https://openproperties.uk/n21/hillfield-park/72"
    },
    {
      "paon": "73",
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      "postcode": "N21 3QJ",
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      "first_sale_date": "1999-10-12",
      "last_sale_date": "2016-06-23",
      "last_price": 965000,
      "url": "https://openproperties.uk/n21/hillfield-park/73"
    },
    {
      "paon": "75",
      "saon": null,
      "postcode": "N21 3QJ",
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      "first_sale_date": "1999-09-09",
      "last_sale_date": "2002-07-31",
      "last_price": 328000,
      "url": "https://openproperties.uk/n21/hillfield-park/75"
    },
    {
      "paon": "77",
      "saon": null,
      "postcode": "N21 3QJ",
      "sale_count": 2,
      "first_sale_date": "1999-03-01",
      "last_sale_date": "2023-10-25",
      "last_price": 1264500,
      "url": "https://openproperties.uk/n21/hillfield-park/77"
    },
    {
      "paon": "81",
      "saon": null,
      "postcode": "N21 3QJ",
      "sale_count": 2,
      "first_sale_date": "2019-08-30",
      "last_sale_date": "2023-06-26",
      "last_price": 980000,
      "url": "https://openproperties.uk/n21/hillfield-park/81"
    }
  ],
  "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.",
  "provenance": {
    "source": "HM Land Registry Price Paid Data",
    "source_url": "https://www.gov.uk/government/statistical-data-sets/price-paid-data-downloads",
    "retrieved_at": null
  }
}