{
  "url": "https://openproperties.uk/hp1/st-margarets/10",
  "address_path": "hp1/st-margarets/10",
  "paon": "10",
  "saon": null,
  "street": "ST MARGARETS",
  "locality": "GREAT GADDESDEN",
  "town_city": "HEMEL HEMPSTEAD",
  "district": "DACORUM",
  "county": "HERTFORDSHIRE",
  "postcode": "HP1 3BZ",
  "postcodes": [
    "HP1 3BZ"
  ],
  "latitude": 51.791452451998204,
  "longitude": -0.5197007141269865,
  "location_precision": "postcode_centroid",
  "sale_count": 2,
  "first_sale_date": "1999-05-07",
  "last_sale_date": "2014-01-16",
  "last_price": 591000,
  "truncated": false,
  "sales": [
    {
      "url": "https://openproperties.uk/hp1/st-margarets/10/e7383c15-8cfd-4917-bfa7-2f58da2351ff",
      "transaction_id": "E7383C15-8CFD-4917-BFA7-2F58DA2351FF",
      "price": 591000,
      "date_of_transfer": "2014-01-16",
      "postcode": "HP1 3BZ",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "10",
      "saon": null,
      "street": "ST MARGARETS",
      "locality": "GREAT GADDESDEN",
      "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": "hp1/st-margarets/10",
      "property_url": "https://openproperties.uk/hp1/st-margarets/10"
    },
    {
      "url": "https://openproperties.uk/hp1/st-margarets/10/d1aac217-277d-410a-bf30-d47073cdc950",
      "transaction_id": "D1AAC217-277D-410A-BF30-D47073CDC950",
      "price": 385000,
      "date_of_transfer": "1999-05-07",
      "postcode": "HP1 3BZ",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "10",
      "saon": null,
      "street": "ST MARGARETS",
      "locality": "GREAT GADDESDEN",
      "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": "hp1/st-margarets/10",
      "property_url": "https://openproperties.uk/hp1/st-margarets/10"
    }
  ],
  "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
    }
  ]
}