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      "url": "https://openproperties.uk/sl1/warrington-avenue/54"
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    {
      "paon": "55",
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      "url": "https://openproperties.uk/sl1/warrington-avenue/55"
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    {
      "paon": "57",
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      "last_sale_date": "2003-04-14",
      "last_price": 162000,
      "url": "https://openproperties.uk/sl1/warrington-avenue/57"
    },
    {
      "paon": "61",
      "saon": null,
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      "first_sale_date": "1995-04-28",
      "last_sale_date": "1995-04-28",
      "last_price": 41000,
      "url": "https://openproperties.uk/sl1/warrington-avenue/61"
    },
    {
      "paon": "63",
      "saon": null,
      "postcode": "SL1 3BG",
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      "first_sale_date": "2003-06-07",
      "last_sale_date": "2021-09-15",
      "last_price": 407000,
      "url": "https://openproperties.uk/sl1/warrington-avenue/63"
    },
    {
      "paon": "65",
      "saon": null,
      "postcode": "SL1 3BG",
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      "first_sale_date": "2003-05-09",
      "last_sale_date": "2005-12-20",
      "last_price": 180000,
      "url": "https://openproperties.uk/sl1/warrington-avenue/65"
    }
  ],
  "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
  }
}