{
  "url": "https://openproperties.uk/n3/ballards-lane/hartley-house/flat-5",
  "address_path": "n3/ballards-lane/hartley-house/flat-5",
  "paon": "HARTLEY HOUSE",
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  "street": "BALLARDS LANE",
  "locality": "FINCHLEY",
  "town_city": "LONDON",
  "district": "BARNET",
  "county": "GREATER LONDON",
  "postcode": "N3 1NF",
  "postcodes": [
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  ],
  "latitude": 51.60850003438061,
  "longitude": -0.18380605103002262,
  "location_precision": "postcode_centroid",
  "sale_count": 3,
  "first_sale_date": "2003-02-12",
  "last_sale_date": "2019-12-13",
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  "truncated": false,
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      "price": 379000,
      "date_of_transfer": "2019-12-13",
      "postcode": "N3 1NF",
      "property_type": "F",
      "property_type_display": "Flat/maisonette",
      "new_build": false,
      "duration": "L",
      "duration_display": "Leasehold",
      "paon": "HARTLEY HOUSE",
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      "street": "BALLARDS LANE",
      "locality": "FINCHLEY",
      "town_city": "LONDON",
      "district": "BARNET",
      "county": "GREATER LONDON",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "n3/ballards-lane/hartley-house/flat-5",
      "property_url": "https://openproperties.uk/n3/ballards-lane/hartley-house/flat-5"
    },
    {
      "url": "https://openproperties.uk/n3/ballards-lane/hartley-house/flat-5/1b172cc2-a084-4a23-99bc-af17fa32f47c",
      "transaction_id": "1B172CC2-A084-4A23-99BC-AF17FA32F47C",
      "price": 250000,
      "date_of_transfer": "2010-09-21",
      "postcode": "N3 1NF",
      "property_type": "F",
      "property_type_display": "Flat/maisonette",
      "new_build": false,
      "duration": "L",
      "duration_display": "Leasehold",
      "paon": "HARTLEY HOUSE",
      "saon": "FLAT 5",
      "street": "BALLARDS LANE",
      "locality": null,
      "town_city": "LONDON",
      "district": "BARNET",
      "county": "GREATER LONDON",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "n3/ballards-lane/hartley-house/flat-5",
      "property_url": "https://openproperties.uk/n3/ballards-lane/hartley-house/flat-5"
    },
    {
      "url": "https://openproperties.uk/n3/ballards-lane/hartley-house/flat-5/67eda712-db00-428c-b8af-fc3f12d4d665",
      "transaction_id": "67EDA712-DB00-428C-B8AF-FC3F12D4D665",
      "price": 150000,
      "date_of_transfer": "2003-02-12",
      "postcode": "N3 1NF",
      "property_type": "F",
      "property_type_display": "Flat/maisonette",
      "new_build": false,
      "duration": "L",
      "duration_display": "Leasehold",
      "paon": "HARTLEY HOUSE",
      "saon": "FLAT 5",
      "street": "BALLARDS LANE",
      "locality": "LONDON",
      "town_city": "LONDON",
      "district": "BARNET",
      "county": "GREATER LONDON",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "n3/ballards-lane/hartley-house/flat-5",
      "property_url": "https://openproperties.uk/n3/ballards-lane/hartley-house/flat-5"
    }
  ],
  "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
    }
  ]
}