{
  "url": "https://openproperties.uk/ha4/masson-avenue/17",
  "address_path": "ha4/masson-avenue/17",
  "paon": "17",
  "saon": null,
  "street": "MASSON AVENUE",
  "locality": "RUISLIP",
  "town_city": "RUISLIP",
  "district": "HILLINGDON",
  "county": "GREATER LONDON",
  "postcode": "HA4 6QT",
  "postcodes": [
    "HA4 6QT"
  ],
  "latitude": 51.55122762522486,
  "longitude": -0.39868001756613636,
  "location_precision": "postcode_centroid",
  "sale_count": 3,
  "first_sale_date": "1995-05-26",
  "last_sale_date": "1998-10-22",
  "last_price": 156000,
  "truncated": false,
  "sales": [
    {
      "url": "https://openproperties.uk/ha4/masson-avenue/17/0b525d95-d09c-48ad-b9b3-90ab463118c2",
      "transaction_id": "0B525D95-D09C-48AD-B9B3-90AB463118C2",
      "price": 156000,
      "date_of_transfer": "1998-10-22",
      "postcode": "HA4 6QT",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "17",
      "saon": null,
      "street": "MASSON 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/masson-avenue/17",
      "property_url": "https://openproperties.uk/ha4/masson-avenue/17"
    },
    {
      "url": "https://openproperties.uk/ha4/masson-avenue/17/7c225492-9e92-4155-8879-57523b6e5f7e",
      "transaction_id": "7C225492-9E92-4155-8879-57523B6E5F7E",
      "price": 129000,
      "date_of_transfer": "1997-04-28",
      "postcode": "HA4 6QT",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "17",
      "saon": null,
      "street": "MASSON 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/masson-avenue/17",
      "property_url": "https://openproperties.uk/ha4/masson-avenue/17"
    },
    {
      "url": "https://openproperties.uk/ha4/masson-avenue/17/e563bed6-8e40-43a3-b583-6f9730a4fdcd",
      "transaction_id": "E563BED6-8E40-43A3-B583-6F9730A4FDCD",
      "price": 109000,
      "date_of_transfer": "1995-05-26",
      "postcode": "HA4 6QT",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "17",
      "saon": null,
      "street": "MASSON 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/masson-avenue/17",
      "property_url": "https://openproperties.uk/ha4/masson-avenue/17"
    }
  ],
  "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
    }
  ]
}