{
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  "address_path": "dl3/mayfield/20",
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  "street": "MAYFIELD",
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  "town_city": "DARLINGTON",
  "district": "DARLINGTON",
  "county": "DARLINGTON",
  "postcode": "DL3 7TU",
  "postcodes": [
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  "latitude": 54.524102373734024,
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  "location_precision": "postcode_centroid",
  "sale_count": 2,
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  "last_sale_date": "2020-06-22",
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  "truncated": false,
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      "transaction_id": "B0A9D11B-55FD-4C1F-E053-6C04A8C0D716",
      "price": 135000,
      "date_of_transfer": "2020-06-22",
      "postcode": "DL3 7TU",
      "property_type": "F",
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      "new_build": false,
      "duration": "L",
      "duration_display": "Leasehold",
      "paon": "20",
      "saon": null,
      "street": "MAYFIELD",
      "locality": null,
      "town_city": "DARLINGTON",
      "district": "DARLINGTON",
      "county": "DARLINGTON",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "dl3/mayfield/20",
      "property_url": "https://openproperties.uk/dl3/mayfield/20"
    },
    {
      "url": "https://openproperties.uk/dl3/mayfield/20/69492cfc-d07b-4a2b-b40f-7f96e0599b37",
      "transaction_id": "69492CFC-D07B-4A2B-B40F-7F96E0599B37",
      "price": 132500,
      "date_of_transfer": "2009-03-27",
      "postcode": "DL3 7TU",
      "property_type": "F",
      "property_type_display": "Flat/maisonette",
      "new_build": false,
      "duration": "L",
      "duration_display": "Leasehold",
      "paon": "20",
      "saon": null,
      "street": "MAYFIELD",
      "locality": null,
      "town_city": "DARLINGTON",
      "district": "DARLINGTON",
      "county": "DARLINGTON",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "dl3/mayfield/20",
      "property_url": "https://openproperties.uk/dl3/mayfield/20"
    }
  ],
  "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
    }
  ]
}