{
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  "address_path": "ha4/herlwyn-avenue/80",
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  "street": "HERLWYN AVENUE",
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  "town_city": "RUISLIP",
  "district": "HILLINGDON",
  "county": "GREATER LONDON",
  "postcode": "HA4 6HQ",
  "postcodes": [
    "HA4 6HQ"
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  "latitude": 51.56588301953922,
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  "location_precision": "postcode_centroid",
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      "price": 327000,
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      "postcode": "HA4 6HQ",
      "property_type": "S",
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      "duration": "F",
      "duration_display": "Freehold",
      "paon": "80",
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      "street": "HERLWYN 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/herlwyn-avenue/80",
      "property_url": "https://openproperties.uk/ha4/herlwyn-avenue/80"
    },
    {
      "url": "https://openproperties.uk/ha4/herlwyn-avenue/80/3252cd30-abdc-4fb9-ab2f-7f89b3b52a5e",
      "transaction_id": "3252CD30-ABDC-4FB9-AB2F-7F89B3B52A5E",
      "price": 290000,
      "date_of_transfer": "2005-09-28",
      "postcode": "HA4 6HQ",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "80",
      "saon": null,
      "street": "HERLWYN 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/herlwyn-avenue/80",
      "property_url": "https://openproperties.uk/ha4/herlwyn-avenue/80"
    },
    {
      "url": "https://openproperties.uk/ha4/herlwyn-avenue/80/7e308b6a-5790-450e-833a-b903c24a1910",
      "transaction_id": "7E308B6A-5790-450E-833A-B903C24A1910",
      "price": 97000,
      "date_of_transfer": "1996-09-20",
      "postcode": "HA4 6HQ",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "80",
      "saon": null,
      "street": "HERLWYN 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/herlwyn-avenue/80",
      "property_url": "https://openproperties.uk/ha4/herlwyn-avenue/80"
    }
  ],
  "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
    }
  ]
}