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  "district": "WALTHAM FOREST",
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      "date_of_transfer": "2018-04-12",
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      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "e4/mark-avenue/33",
      "property_url": "https://openproperties.uk/e4/mark-avenue/33"
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    {
      "url": "https://openproperties.uk/e4/mark-avenue/33/41b7442b-10ed-469e-908d-7de26a5e8a26",
      "transaction_id": "41B7442B-10ED-469E-908D-7DE26A5E8A26",
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      "date_of_transfer": "2014-02-10",
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      "duration": "F",
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      "paon": "33",
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      "street": "MARK AVENUE",
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      "town_city": "LONDON",
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      "county": "GREATER LONDON",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "e4/mark-avenue/33",
      "property_url": "https://openproperties.uk/e4/mark-avenue/33"
    },
    {
      "url": "https://openproperties.uk/e4/mark-avenue/33/9232b072-635a-4f73-a1fe-38efa0d7bcbd",
      "transaction_id": "9232B072-635A-4F73-A1FE-38EFA0D7BCBD",
      "price": 220000,
      "date_of_transfer": "2006-09-08",
      "postcode": "E4 7NR",
      "property_type": "T",
      "property_type_display": "Terraced",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "33",
      "saon": null,
      "street": "MARK AVENUE",
      "locality": "LONDON",
      "town_city": "LONDON",
      "district": "WALTHAM FOREST",
      "county": "GREATER LONDON",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "e4/mark-avenue/33",
      "property_url": "https://openproperties.uk/e4/mark-avenue/33"
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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
    }
  ]
}