{
  "url": "https://openproperties.uk/dl1/ullswater-avenue/28",
  "address_path": "dl1/ullswater-avenue/28",
  "paon": "28",
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  "street": "ULLSWATER AVENUE",
  "locality": "DARLINGTON",
  "town_city": "DARLINGTON",
  "district": "DARLINGTON",
  "county": "DARLINGTON",
  "postcode": "DL1 4TF",
  "postcodes": [
    "DL1 4TF"
  ],
  "latitude": 54.51630680335815,
  "longitude": -1.5458557803919064,
  "location_precision": "postcode_centroid",
  "sale_count": 3,
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      "transaction_id": "75B91D38-323D-47B7-8DE5-5EB502C80443",
      "price": 135000,
      "date_of_transfer": "2005-07-11",
      "postcode": "DL1 4TF",
      "property_type": "D",
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      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "28",
      "saon": null,
      "street": "ULLSWATER AVENUE",
      "locality": "DARLINGTON",
      "town_city": "DARLINGTON",
      "district": "DARLINGTON",
      "county": "DARLINGTON",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "dl1/ullswater-avenue/28",
      "property_url": "https://openproperties.uk/dl1/ullswater-avenue/28"
    },
    {
      "url": "https://openproperties.uk/dl1/ullswater-avenue/28/afdb6c46-1ff0-4def-9b89-c20b06990bde",
      "transaction_id": "AFDB6C46-1FF0-4DEF-9B89-C20B06990BDE",
      "price": 102000,
      "date_of_transfer": "2003-02-14",
      "postcode": "DL1 4TF",
      "property_type": "D",
      "property_type_display": "Detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "28",
      "saon": null,
      "street": "ULLSWATER AVENUE",
      "locality": "DARLINGTON",
      "town_city": "DARLINGTON",
      "district": "DARLINGTON",
      "county": "DARLINGTON",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "dl1/ullswater-avenue/28",
      "property_url": "https://openproperties.uk/dl1/ullswater-avenue/28"
    },
    {
      "url": "https://openproperties.uk/dl1/ullswater-avenue/28/58d04c32-f0b8-4b38-b22c-8e4d09fa92fa",
      "transaction_id": "58D04C32-F0B8-4B38-B22C-8E4D09FA92FA",
      "price": 75995,
      "date_of_transfer": "2001-07-27",
      "postcode": "DL1 4TF",
      "property_type": "D",
      "property_type_display": "Detached",
      "new_build": true,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "28",
      "saon": null,
      "street": "ULLSWATER AVENUE",
      "locality": "DARLINGTON",
      "town_city": "DARLINGTON",
      "district": "DARLINGTON",
      "county": "DARLINGTON",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "dl1/ullswater-avenue/28",
      "property_url": "https://openproperties.uk/dl1/ullswater-avenue/28"
    }
  ],
  "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
    }
  ]
}