{
  "url": "https://openproperties.uk/n11/firs-avenue/142",
  "address_path": "n11/firs-avenue/142",
  "paon": "142",
  "saon": null,
  "street": "FIRS AVENUE",
  "locality": "LONDON",
  "town_city": "LONDON",
  "district": "BARNET",
  "county": "GREATER LONDON",
  "postcode": "N11 3NQ",
  "postcodes": [
    "N11 3NQ"
  ],
  "latitude": 51.60871076843151,
  "longitude": -0.15065274900376022,
  "location_precision": "postcode_centroid",
  "sale_count": 4,
  "first_sale_date": "1999-11-26",
  "last_sale_date": "2006-12-04",
  "last_price": 249999,
  "truncated": false,
  "sales": [
    {
      "url": "https://openproperties.uk/n11/firs-avenue/142/de81c479-df05-4d1c-97b8-188e42b54c57",
      "transaction_id": "DE81C479-DF05-4D1C-97B8-188E42B54C57",
      "price": 249999,
      "date_of_transfer": "2006-12-04",
      "postcode": "N11 3NQ",
      "property_type": "T",
      "property_type_display": "Terraced",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "142",
      "saon": null,
      "street": "FIRS AVENUE",
      "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": "n11/firs-avenue/142",
      "property_url": "https://openproperties.uk/n11/firs-avenue/142"
    },
    {
      "url": "https://openproperties.uk/n11/firs-avenue/142/e6c95be4-3b35-4fff-a5de-4c2e1f850dca",
      "transaction_id": "E6C95BE4-3B35-4FFF-A5DE-4C2E1F850DCA",
      "price": 230000,
      "date_of_transfer": "2006-03-23",
      "postcode": "N11 3NQ",
      "property_type": "T",
      "property_type_display": "Terraced",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "142",
      "saon": null,
      "street": "FIRS AVENUE",
      "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": "n11/firs-avenue/142",
      "property_url": "https://openproperties.uk/n11/firs-avenue/142"
    },
    {
      "url": "https://openproperties.uk/n11/firs-avenue/142/553cfaab-e52c-4db6-a6f1-0772b8a43fd3",
      "transaction_id": "553CFAAB-E52C-4DB6-A6F1-0772B8A43FD3",
      "price": 207000,
      "date_of_transfer": "2003-08-29",
      "postcode": "N11 3NQ",
      "property_type": "T",
      "property_type_display": "Terraced",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "142",
      "saon": null,
      "street": "FIRS AVENUE",
      "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": "n11/firs-avenue/142",
      "property_url": "https://openproperties.uk/n11/firs-avenue/142"
    },
    {
      "url": "https://openproperties.uk/n11/firs-avenue/142/f4da3a21-230e-422b-8aa6-beb27224ba81",
      "transaction_id": "F4DA3A21-230E-422B-8AA6-BEB27224BA81",
      "price": 126000,
      "date_of_transfer": "1999-11-26",
      "postcode": "N11 3NQ",
      "property_type": "T",
      "property_type_display": "Terraced",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "142",
      "saon": null,
      "street": "FIRS AVENUE",
      "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": "n11/firs-avenue/142",
      "property_url": "https://openproperties.uk/n11/firs-avenue/142"
    }
  ],
  "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
    }
  ]
}