{
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  "district": "HILLINGDON",
  "county": "GREATER LONDON",
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  "postcodes": [
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      "postcode": "HA4 7PN",
      "property_type": "S",
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      "duration": "F",
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      "paon": "18",
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      "street": "GRASMERE AVENUE",
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      "town_city": "RUISLIP",
      "district": "HILLINGDON",
      "county": "GREATER LONDON",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "ha4/grasmere-avenue/18",
      "property_url": "https://openproperties.uk/ha4/grasmere-avenue/18"
    },
    {
      "url": "https://openproperties.uk/ha4/grasmere-avenue/18/33e75b19-b88b-46bd-acab-24045a29e244",
      "transaction_id": "33E75B19-B88B-46BD-ACAB-24045A29E244",
      "price": 317000,
      "date_of_transfer": "2007-07-11",
      "postcode": "HA4 7PN",
      "property_type": "S",
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      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "18",
      "saon": null,
      "street": "GRASMERE AVENUE",
      "locality": "RUISLIP",
      "town_city": "RUISLIP",
      "district": "HILLINGDON",
      "county": "GREATER LONDON",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "ha4/grasmere-avenue/18",
      "property_url": "https://openproperties.uk/ha4/grasmere-avenue/18"
    },
    {
      "url": "https://openproperties.uk/ha4/grasmere-avenue/18/0f64316f-21b2-4202-9fde-7cbbdc999e26",
      "transaction_id": "0F64316F-21B2-4202-9FDE-7CBBDC999E26",
      "price": 250000,
      "date_of_transfer": "2006-03-10",
      "postcode": "HA4 7PN",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "18",
      "saon": null,
      "street": "GRASMERE AVENUE",
      "locality": "RUISLIP",
      "town_city": "RUISLIP",
      "district": "HILLINGDON",
      "county": "GREATER LONDON",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "ha4/grasmere-avenue/18",
      "property_url": "https://openproperties.uk/ha4/grasmere-avenue/18"
    }
  ],
  "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
    }
  ]
}