{
  "url": "https://openproperties.uk/sg4/oakfield-avenue/11",
  "address_path": "sg4/oakfield-avenue/11",
  "paon": "11",
  "saon": null,
  "street": "OAKFIELD AVENUE",
  "locality": null,
  "town_city": "HITCHIN",
  "district": "NORTH HERTFORDSHIRE",
  "county": "HERTFORDSHIRE",
  "postcode": "SG4 9JB",
  "postcodes": [
    "SG4 9JB"
  ],
  "latitude": 51.94027320863657,
  "longitude": -0.26127719187330223,
  "location_precision": "postcode_centroid",
  "sale_count": 4,
  "first_sale_date": "2007-07-09",
  "last_sale_date": "2022-05-12",
  "last_price": 650000,
  "truncated": false,
  "sales": [
    {
      "url": "https://openproperties.uk/sg4/oakfield-avenue/11/e2d14905-756f-4c2d-e053-6b04a8c0422b",
      "transaction_id": "E2D14905-756F-4C2D-E053-6B04A8C0422B",
      "price": 650000,
      "date_of_transfer": "2022-05-12",
      "postcode": "SG4 9JB",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "11",
      "saon": null,
      "street": "OAKFIELD AVENUE",
      "locality": null,
      "town_city": "HITCHIN",
      "district": "NORTH HERTFORDSHIRE",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "sg4/oakfield-avenue/11",
      "property_url": "https://openproperties.uk/sg4/oakfield-avenue/11"
    },
    {
      "url": "https://openproperties.uk/sg4/oakfield-avenue/11/01192013-e645-4fb1-b9fb-1ca5301eac07",
      "transaction_id": "01192013-E645-4FB1-B9FB-1CA5301EAC07",
      "price": 390000,
      "date_of_transfer": "2014-10-13",
      "postcode": "SG4 9JB",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "11",
      "saon": null,
      "street": "OAKFIELD AVENUE",
      "locality": null,
      "town_city": "HITCHIN",
      "district": "NORTH HERTFORDSHIRE",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "sg4/oakfield-avenue/11",
      "property_url": "https://openproperties.uk/sg4/oakfield-avenue/11"
    },
    {
      "url": "https://openproperties.uk/sg4/oakfield-avenue/11/4f9ec2c5-2066-40ec-aac4-0bb79c9346c1",
      "transaction_id": "4F9EC2C5-2066-40EC-AAC4-0BB79C9346C1",
      "price": 175000,
      "date_of_transfer": "2010-07-26",
      "postcode": "SG4 9JB",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "11",
      "saon": null,
      "street": "OAKFIELD AVENUE",
      "locality": null,
      "town_city": "HITCHIN",
      "district": "NORTH HERTFORDSHIRE",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "sg4/oakfield-avenue/11",
      "property_url": "https://openproperties.uk/sg4/oakfield-avenue/11"
    },
    {
      "url": "https://openproperties.uk/sg4/oakfield-avenue/11/ed1ea123-a507-401f-9b4e-3a02d05a5f88",
      "transaction_id": "ED1EA123-A507-401F-9B4E-3A02D05A5F88",
      "price": 140000,
      "date_of_transfer": "2007-07-09",
      "postcode": "SG4 9JB",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "11",
      "saon": null,
      "street": "OAKFIELD AVENUE",
      "locality": "HITCHIN",
      "town_city": "HITCHIN",
      "district": "NORTH HERTFORDSHIRE",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "sg4/oakfield-avenue/11",
      "property_url": "https://openproperties.uk/sg4/oakfield-avenue/11"
    }
  ],
  "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
    }
  ]
}