{
  "url": "https://openproperties.uk/de1/calvert-street/nightingale-mews/flat-15",
  "address_path": "de1/calvert-street/nightingale-mews/flat-15",
  "paon": "NIGHTINGALE MEWS",
  "saon": "FLAT 15",
  "street": "CALVERT STREET",
  "locality": "DERBY",
  "town_city": "DERBY",
  "district": "CITY OF DERBY",
  "county": "CITY OF DERBY",
  "postcode": "DE1 2RT",
  "postcodes": [
    "DE1 2RT"
  ],
  "latitude": 52.918295360585226,
  "longitude": -1.4645079658130502,
  "location_precision": "postcode_centroid",
  "sale_count": 2,
  "first_sale_date": "2002-07-31",
  "last_sale_date": "2004-05-21",
  "last_price": 159950,
  "truncated": false,
  "sales": [
    {
      "url": "https://openproperties.uk/de1/calvert-street/nightingale-mews/flat-15/a8c2e838-c19b-42d3-a2c6-cc880eaaf508",
      "transaction_id": "A8C2E838-C19B-42D3-A2C6-CC880EAAF508",
      "price": 159950,
      "date_of_transfer": "2004-05-21",
      "postcode": "DE1 2RT",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "NIGHTINGALE MEWS",
      "saon": "FLAT 15",
      "street": "CALVERT STREET",
      "locality": "DERBY",
      "town_city": "DERBY",
      "district": "CITY OF DERBY",
      "county": "CITY OF DERBY",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "de1/calvert-street/nightingale-mews/flat-15",
      "property_url": "https://openproperties.uk/de1/calvert-street/nightingale-mews/flat-15"
    },
    {
      "url": "https://openproperties.uk/de1/calvert-street/nightingale-mews/flat-15/e20ef4c9-65d9-40cf-a65a-c0e143f8575e",
      "transaction_id": "E20EF4C9-65D9-40CF-A65A-C0E143F8575E",
      "price": 134950,
      "date_of_transfer": "2002-07-31",
      "postcode": "DE1 2RT",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": true,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "NIGHTINGALE MEWS",
      "saon": "FLAT 15",
      "street": "CALVERT STREET",
      "locality": "DERBY",
      "town_city": "DERBY",
      "district": "CITY OF DERBY",
      "county": "CITY OF DERBY",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "de1/calvert-street/nightingale-mews/flat-15",
      "property_url": "https://openproperties.uk/de1/calvert-street/nightingale-mews/flat-15"
    }
  ],
  "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
    }
  ]
}