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      "url": "https://openproperties.uk/nn9/grombold-avenue/26"
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      "url": "https://openproperties.uk/nn9/grombold-avenue/29"
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    {
      "paon": "39",
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      "last_price": 210000,
      "url": "https://openproperties.uk/nn9/grombold-avenue/39"
    },
    {
      "paon": "41",
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      "url": "https://openproperties.uk/nn9/grombold-avenue/41"
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      "url": "https://openproperties.uk/nn9/grombold-avenue/42"
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      "paon": "46",
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      "postcode": "NN9 6EN",
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      "url": "https://openproperties.uk/nn9/grombold-avenue/60"
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      "paon": "61",
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    {
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      "url": "https://openproperties.uk/nn9/grombold-avenue/63"
    },
    {
      "paon": "66",
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      "postcode": "NN9 6EN",
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      "url": "https://openproperties.uk/nn9/grombold-avenue/66"
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    {
      "paon": "68",
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      "postcode": "NN9 6EN",
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      "url": "https://openproperties.uk/nn9/grombold-avenue/68"
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    {
      "paon": "69",
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      "url": "https://openproperties.uk/nn9/grombold-avenue/69"
    },
    {
      "paon": "80",
      "saon": null,
      "postcode": "NN9 6EN",
      "sale_count": 3,
      "first_sale_date": "2004-07-09",
      "last_sale_date": "2015-07-17",
      "last_price": 155000,
      "url": "https://openproperties.uk/nn9/grombold-avenue/80"
    },
    {
      "paon": "81",
      "saon": null,
      "postcode": "NN9 6EW",
      "sale_count": 2,
      "first_sale_date": "2015-12-04",
      "last_sale_date": "2025-08-29",
      "last_price": 255000,
      "url": "https://openproperties.uk/nn9/grombold-avenue/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
  }
}