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  "outcode": "CM1",
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      "url": "https://openproperties.uk/cm1/first-avenue/42"
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      "url": "https://openproperties.uk/cm1/first-avenue/43"
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    {
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      "url": "https://openproperties.uk/cm1/first-avenue/50"
    },
    {
      "paon": "51",
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      "last_price": 87500,
      "url": "https://openproperties.uk/cm1/first-avenue/51"
    },
    {
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      "url": "https://openproperties.uk/cm1/first-avenue/53"
    },
    {
      "paon": "56",
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      "url": "https://openproperties.uk/cm1/first-avenue/56"
    },
    {
      "paon": "57",
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      "url": "https://openproperties.uk/cm1/first-avenue/58"
    },
    {
      "paon": "59",
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      "url": "https://openproperties.uk/cm1/first-avenue/59"
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    {
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      "last_sale_date": "2013-03-22",
      "last_price": 320000,
      "url": "https://openproperties.uk/cm1/first-avenue/60"
    },
    {
      "paon": "61",
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      "last_sale_date": "2019-01-04",
      "last_price": 572000,
      "url": "https://openproperties.uk/cm1/first-avenue/61"
    },
    {
      "paon": "65",
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      "last_sale_date": "2021-05-14",
      "last_price": 525000,
      "url": "https://openproperties.uk/cm1/first-avenue/65"
    },
    {
      "paon": "66",
      "saon": null,
      "postcode": "CM1 1RU",
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      "first_sale_date": "1997-06-02",
      "last_sale_date": "1997-06-02",
      "last_price": 96500,
      "url": "https://openproperties.uk/cm1/first-avenue/66"
    },
    {
      "paon": "67",
      "saon": null,
      "postcode": "CM1 1RX",
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      "first_sale_date": "1996-04-19",
      "last_sale_date": "1996-04-19",
      "last_price": 73500,
      "url": "https://openproperties.uk/cm1/first-avenue/67"
    },
    {
      "paon": "71",
      "saon": null,
      "postcode": "CM1 1RX",
      "sale_count": 2,
      "first_sale_date": "2003-03-21",
      "last_sale_date": "2004-10-06",
      "last_price": 204500,
      "url": "https://openproperties.uk/cm1/first-avenue/71"
    },
    {
      "paon": "73",
      "saon": null,
      "postcode": "CM1 1RX",
      "sale_count": 1,
      "first_sale_date": "2025-10-13",
      "last_sale_date": "2025-10-13",
      "last_price": 432500,
      "url": "https://openproperties.uk/cm1/first-avenue/73"
    },
    {
      "paon": "75",
      "saon": null,
      "postcode": "CM1 1RX",
      "sale_count": 1,
      "first_sale_date": "1999-05-10",
      "last_sale_date": "1999-05-10",
      "last_price": 104995,
      "url": "https://openproperties.uk/cm1/first-avenue/75"
    },
    {
      "paon": "79",
      "saon": null,
      "postcode": "CM1 1RX",
      "sale_count": 1,
      "first_sale_date": "1995-08-10",
      "last_sale_date": "1995-08-10",
      "last_price": 72500,
      "url": "https://openproperties.uk/cm1/first-avenue/79"
    }
  ],
  "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
  }
}