{
  "url": "https://openproperties.uk/rm12/grenfell-avenue/51",
  "address_path": "rm12/grenfell-avenue/51",
  "paon": "51",
  "saon": null,
  "street": "GRENFELL AVENUE",
  "locality": null,
  "town_city": "HORNCHURCH",
  "district": "HAVERING",
  "county": "GREATER LONDON",
  "postcode": "RM12 4DN",
  "postcodes": [
    "RM12 4DN"
  ],
  "latitude": 51.564076717236546,
  "longitude": 0.18732506323454456,
  "location_precision": "postcode_centroid",
  "sale_count": 2,
  "first_sale_date": "2006-09-19",
  "last_sale_date": "2013-07-19",
  "last_price": 250000,
  "truncated": false,
  "sales": [
    {
      "url": "https://openproperties.uk/rm12/grenfell-avenue/51/1d5af0e0-09d7-4607-8634-bf289f0cefa2",
      "transaction_id": "1D5AF0E0-09D7-4607-8634-BF289F0CEFA2",
      "price": 250000,
      "date_of_transfer": "2013-07-19",
      "postcode": "RM12 4DN",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "51",
      "saon": null,
      "street": "GRENFELL AVENUE",
      "locality": null,
      "town_city": "HORNCHURCH",
      "district": "HAVERING",
      "county": "GREATER LONDON",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "rm12/grenfell-avenue/51",
      "property_url": "https://openproperties.uk/rm12/grenfell-avenue/51"
    },
    {
      "url": "https://openproperties.uk/rm12/grenfell-avenue/51/69afa253-6643-435e-b0df-00d19891948f",
      "transaction_id": "69AFA253-6643-435E-B0DF-00D19891948F",
      "price": 224000,
      "date_of_transfer": "2006-09-19",
      "postcode": "RM12 4DN",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "51",
      "saon": null,
      "street": "GRENFELL AVENUE",
      "locality": "HORNCHURCH",
      "town_city": "HORNCHURCH",
      "district": "HAVERING",
      "county": "GREATER LONDON",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "rm12/grenfell-avenue/51",
      "property_url": "https://openproperties.uk/rm12/grenfell-avenue/51"
    }
  ],
  "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
    }
  ]
}