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    {
      "url": "https://openproperties.uk/sw11/sisters-avenue/avenue-mansions/13/5a3c5e29-7a9f-4fcf-aeaf-d0b33d446be6",
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      "address_path": "sw11/sisters-avenue/avenue-mansions/13",
      "property_url": "https://openproperties.uk/sw11/sisters-avenue/avenue-mansions/13"
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    {
      "url": "https://openproperties.uk/sw11/sisters-avenue/avenue-mansions/13/ce873544-30f6-4c74-ba8e-26cdcac604cd",
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      "price": 166000,
      "date_of_transfer": "1998-09-11",
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      "property_type": "F",
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      "new_build": false,
      "duration": "L",
      "duration_display": "Leasehold",
      "paon": "AVENUE MANSIONS",
      "saon": "13",
      "street": "SISTERS AVENUE",
      "locality": "LONDON",
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      "district": "WANDSWORTH",
      "county": "GREATER LONDON",
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      "address_path": "sw11/sisters-avenue/avenue-mansions/13",
      "property_url": "https://openproperties.uk/sw11/sisters-avenue/avenue-mansions/13"
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  ],
  "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
    }
  ]
}