{
  "url": "https://openproperties.uk/cm21/highgate-grove/4",
  "address_path": "cm21/highgate-grove/4",
  "paon": "4",
  "saon": null,
  "street": "HIGHGATE GROVE",
  "locality": "SAWBRIDGEWORTH",
  "town_city": "SAWBRIDGEWORTH",
  "district": "EAST HERTFORDSHIRE",
  "county": "HERTFORDSHIRE",
  "postcode": "CM21 0DD",
  "postcodes": [
    "CM21 0DD"
  ],
  "latitude": 51.81285701426691,
  "longitude": 0.1430171279141367,
  "location_precision": "postcode_centroid",
  "sale_count": 3,
  "first_sale_date": "1998-07-31",
  "last_sale_date": "2006-10-13",
  "last_price": 131500,
  "truncated": false,
  "sales": [
    {
      "url": "https://openproperties.uk/cm21/highgate-grove/4/13ebc1d1-6219-4d6e-847f-22e12f41c133",
      "transaction_id": "13EBC1D1-6219-4D6E-847F-22E12F41C133",
      "price": 131500,
      "date_of_transfer": "2006-10-13",
      "postcode": "CM21 0DD",
      "property_type": "F",
      "property_type_display": "Flat/maisonette",
      "new_build": false,
      "duration": "L",
      "duration_display": "Leasehold",
      "paon": "4",
      "saon": null,
      "street": "HIGHGATE GROVE",
      "locality": "SAWBRIDGEWORTH",
      "town_city": "SAWBRIDGEWORTH",
      "district": "EAST HERTFORDSHIRE",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "cm21/highgate-grove/4",
      "property_url": "https://openproperties.uk/cm21/highgate-grove/4"
    },
    {
      "url": "https://openproperties.uk/cm21/highgate-grove/4/3f399b16-4107-44e4-8c36-3e2712c0a1ce",
      "transaction_id": "3F399B16-4107-44E4-8C36-3E2712C0A1CE",
      "price": 111000,
      "date_of_transfer": "2004-03-11",
      "postcode": "CM21 0DD",
      "property_type": "F",
      "property_type_display": "Flat/maisonette",
      "new_build": false,
      "duration": "L",
      "duration_display": "Leasehold",
      "paon": "4",
      "saon": null,
      "street": "HIGHGATE GROVE",
      "locality": "SAWBRIDGEWORTH",
      "town_city": "SAWBRIDGEWORTH",
      "district": "EAST HERTFORDSHIRE",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "cm21/highgate-grove/4",
      "property_url": "https://openproperties.uk/cm21/highgate-grove/4"
    },
    {
      "url": "https://openproperties.uk/cm21/highgate-grove/4/4ea6bc93-65b2-4346-b9e6-b17ebd23734e",
      "transaction_id": "4EA6BC93-65B2-4346-B9E6-B17EBD23734E",
      "price": 45000,
      "date_of_transfer": "1998-07-31",
      "postcode": "CM21 0DD",
      "property_type": "F",
      "property_type_display": "Flat/maisonette",
      "new_build": false,
      "duration": "L",
      "duration_display": "Leasehold",
      "paon": "4",
      "saon": null,
      "street": "HIGHGATE GROVE",
      "locality": "SAWBRIDGEWORTH",
      "town_city": "SAWBRIDGEWORTH",
      "district": "EAST HERTFORDSHIRE",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "cm21/highgate-grove/4",
      "property_url": "https://openproperties.uk/cm21/highgate-grove/4"
    }
  ],
  "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
    }
  ]
}