{
  "url": "https://openproperties.uk/hp3/oak-street/18",
  "address_path": "hp3/oak-street/18",
  "paon": "18",
  "saon": null,
  "street": "OAK STREET",
  "locality": null,
  "town_city": "HEMEL HEMPSTEAD",
  "district": "DACORUM",
  "county": "HERTFORDSHIRE",
  "postcode": "HP3 9TT",
  "postcodes": [
    "HP3 9TT"
  ],
  "latitude": 51.7361747921162,
  "longitude": -0.45296281206231925,
  "location_precision": "postcode_centroid",
  "sale_count": 4,
  "first_sale_date": "2006-02-03",
  "last_sale_date": "2022-04-19",
  "last_price": 416000,
  "truncated": false,
  "sales": [
    {
      "url": "https://openproperties.uk/hp3/oak-street/18/de2d0cdf-aca7-51ee-e053-6c04a8c00671",
      "transaction_id": "DE2D0CDF-ACA7-51EE-E053-6C04A8C00671",
      "price": 416000,
      "date_of_transfer": "2022-04-19",
      "postcode": "HP3 9TT",
      "property_type": "T",
      "property_type_display": "Terraced",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "18",
      "saon": null,
      "street": "OAK STREET",
      "locality": null,
      "town_city": "HEMEL HEMPSTEAD",
      "district": "DACORUM",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "hp3/oak-street/18",
      "property_url": "https://openproperties.uk/hp3/oak-street/18"
    },
    {
      "url": "https://openproperties.uk/hp3/oak-street/18/a2479555-4e5c-74c7-e053-6b04a8c0887d",
      "transaction_id": "A2479555-4E5C-74C7-E053-6B04A8C0887D",
      "price": 380000,
      "date_of_transfer": "2020-01-31",
      "postcode": "HP3 9TT",
      "property_type": "T",
      "property_type_display": "Terraced",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "18",
      "saon": null,
      "street": "OAK STREET",
      "locality": null,
      "town_city": "HEMEL HEMPSTEAD",
      "district": "DACORUM",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "hp3/oak-street/18",
      "property_url": "https://openproperties.uk/hp3/oak-street/18"
    },
    {
      "url": "https://openproperties.uk/hp3/oak-street/18/e09f80f5-d844-4fb7-a1be-43a64b4f132b",
      "transaction_id": "E09F80F5-D844-4FB7-A1BE-43A64B4F132B",
      "price": 213000,
      "date_of_transfer": "2013-08-15",
      "postcode": "HP3 9TT",
      "property_type": "T",
      "property_type_display": "Terraced",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "18",
      "saon": null,
      "street": "OAK STREET",
      "locality": null,
      "town_city": "HEMEL HEMPSTEAD",
      "district": "DACORUM",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "hp3/oak-street/18",
      "property_url": "https://openproperties.uk/hp3/oak-street/18"
    },
    {
      "url": "https://openproperties.uk/hp3/oak-street/18/0b8e62f1-7f02-4001-b030-cac1d940e587",
      "transaction_id": "0B8E62F1-7F02-4001-B030-CAC1D940E587",
      "price": 179995,
      "date_of_transfer": "2006-02-03",
      "postcode": "HP3 9TT",
      "property_type": "T",
      "property_type_display": "Terraced",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "18",
      "saon": null,
      "street": "OAK STREET",
      "locality": "HEMEL HEMPSTEAD",
      "town_city": "HEMEL HEMPSTEAD",
      "district": "DACORUM",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "hp3/oak-street/18",
      "property_url": "https://openproperties.uk/hp3/oak-street/18"
    }
  ],
  "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
    }
  ]
}