{
  "url": "https://openproperties.uk/ha4/northdown-close/23a",
  "address_path": "ha4/northdown-close/23a",
  "paon": "23A",
  "saon": null,
  "street": "NORTHDOWN CLOSE",
  "locality": null,
  "town_city": "RUISLIP",
  "district": "HILLINGDON",
  "county": "GREATER LONDON",
  "postcode": "HA4 6JY",
  "postcodes": [
    "HA4 6JY"
  ],
  "latitude": 51.56630775234133,
  "longitude": -0.41592603370849685,
  "location_precision": "postcode_centroid",
  "sale_count": 4,
  "first_sale_date": "2009-03-20",
  "last_sale_date": "2025-06-10",
  "last_price": 297000,
  "truncated": false,
  "sales": [
    {
      "url": "https://openproperties.uk/ha4/northdown-close/23a/38edc0c2-941a-0f63-e063-4704a8c00424",
      "transaction_id": "38EDC0C2-941A-0F63-E063-4704A8C00424",
      "price": 297000,
      "date_of_transfer": "2025-06-10",
      "postcode": "HA4 6JY",
      "property_type": "F",
      "property_type_display": "Flat/maisonette",
      "new_build": false,
      "duration": "L",
      "duration_display": "Leasehold",
      "paon": "23A",
      "saon": null,
      "street": "NORTHDOWN CLOSE",
      "locality": null,
      "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/northdown-close/23a",
      "property_url": "https://openproperties.uk/ha4/northdown-close/23a"
    },
    {
      "url": "https://openproperties.uk/ha4/northdown-close/23a/369dfb15-4fca-3a19-e050-a8c0620518c6",
      "transaction_id": "369DFB15-4FCA-3A19-E050-A8C0620518C6",
      "price": 335000,
      "date_of_transfer": "2016-06-23",
      "postcode": "HA4 6JY",
      "property_type": "F",
      "property_type_display": "Flat/maisonette",
      "new_build": false,
      "duration": "L",
      "duration_display": "Leasehold",
      "paon": "23A",
      "saon": null,
      "street": "NORTHDOWN CLOSE",
      "locality": null,
      "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/northdown-close/23a",
      "property_url": "https://openproperties.uk/ha4/northdown-close/23a"
    },
    {
      "url": "https://openproperties.uk/ha4/northdown-close/23a/486ef82d-7399-48d4-a126-73c6e0014872",
      "transaction_id": "486EF82D-7399-48D4-A126-73C6E0014872",
      "price": 231000,
      "date_of_transfer": "2013-11-28",
      "postcode": "HA4 6JY",
      "property_type": "F",
      "property_type_display": "Flat/maisonette",
      "new_build": false,
      "duration": "L",
      "duration_display": "Leasehold",
      "paon": "23A",
      "saon": null,
      "street": "NORTHDOWN CLOSE",
      "locality": null,
      "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/northdown-close/23a",
      "property_url": "https://openproperties.uk/ha4/northdown-close/23a"
    },
    {
      "url": "https://openproperties.uk/ha4/northdown-close/23a/259fb118-0f49-4aeb-b482-37c2eeb46d08",
      "transaction_id": "259FB118-0F49-4AEB-B482-37C2EEB46D08",
      "price": 165000,
      "date_of_transfer": "2009-03-20",
      "postcode": "HA4 6JY",
      "property_type": "F",
      "property_type_display": "Flat/maisonette",
      "new_build": false,
      "duration": "L",
      "duration_display": "Leasehold",
      "paon": "23A",
      "saon": null,
      "street": "NORTHDOWN CLOSE",
      "locality": null,
      "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/northdown-close/23a",
      "property_url": "https://openproperties.uk/ha4/northdown-close/23a"
    }
  ],
  "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
    }
  ]
}