{
  "url": "https://openproperties.uk/hp1/pierian-spring/21",
  "address_path": "hp1/pierian-spring/21",
  "paon": "21",
  "saon": null,
  "street": "PIERIAN SPRING",
  "locality": null,
  "town_city": "HEMEL HEMPSTEAD",
  "district": "DACORUM",
  "county": "HERTFORDSHIRE",
  "postcode": "HP1 3JP",
  "postcodes": [
    "HP1 3JP"
  ],
  "latitude": 51.761697717771796,
  "longitude": -0.4822453449930575,
  "location_precision": "postcode_centroid",
  "sale_count": 5,
  "first_sale_date": "1996-06-28",
  "last_sale_date": "2016-08-12",
  "last_price": 504000,
  "truncated": false,
  "sales": [
    {
      "url": "https://openproperties.uk/hp1/pierian-spring/21/404a5af3-7f39-cd2b-e050-a8c063055c7b",
      "transaction_id": "404A5AF3-7F39-CD2B-E050-A8C063055C7B",
      "price": 504000,
      "date_of_transfer": "2016-08-12",
      "postcode": "HP1 3JP",
      "property_type": "D",
      "property_type_display": "Detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "21",
      "saon": null,
      "street": "PIERIAN SPRING",
      "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": "hp1/pierian-spring/21",
      "property_url": "https://openproperties.uk/hp1/pierian-spring/21"
    },
    {
      "url": "https://openproperties.uk/hp1/pierian-spring/21/f03b63f7-24ae-4550-9c1b-df5760f2dd2f",
      "transaction_id": "F03B63F7-24AE-4550-9C1B-DF5760F2DD2F",
      "price": 327000,
      "date_of_transfer": "2008-02-04",
      "postcode": "HP1 3JP",
      "property_type": "D",
      "property_type_display": "Detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "21",
      "saon": null,
      "street": "PIERIAN SPRING",
      "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": "hp1/pierian-spring/21",
      "property_url": "https://openproperties.uk/hp1/pierian-spring/21"
    },
    {
      "url": "https://openproperties.uk/hp1/pierian-spring/21/375c3c32-1a20-4965-b05b-a6b6066ac931",
      "transaction_id": "375C3C32-1A20-4965-B05B-A6B6066AC931",
      "price": 302000,
      "date_of_transfer": "2006-02-01",
      "postcode": "HP1 3JP",
      "property_type": "D",
      "property_type_display": "Detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "21",
      "saon": null,
      "street": "PIERIAN SPRING",
      "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": "hp1/pierian-spring/21",
      "property_url": "https://openproperties.uk/hp1/pierian-spring/21"
    },
    {
      "url": "https://openproperties.uk/hp1/pierian-spring/21/e7304685-bb0f-4efb-89fd-2f6d6ba2591f",
      "transaction_id": "E7304685-BB0F-4EFB-89FD-2F6D6BA2591F",
      "price": 220000,
      "date_of_transfer": "2002-04-19",
      "postcode": "HP1 3JP",
      "property_type": "D",
      "property_type_display": "Detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "21",
      "saon": null,
      "street": "PIERIAN SPRING",
      "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": "hp1/pierian-spring/21",
      "property_url": "https://openproperties.uk/hp1/pierian-spring/21"
    },
    {
      "url": "https://openproperties.uk/hp1/pierian-spring/21/6c9b8cc1-5639-4199-9afb-f818d7b16bf3",
      "transaction_id": "6C9B8CC1-5639-4199-9AFB-F818D7B16BF3",
      "price": 127500,
      "date_of_transfer": "1996-06-28",
      "postcode": "HP1 3JP",
      "property_type": "D",
      "property_type_display": "Detached",
      "new_build": true,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "21",
      "saon": null,
      "street": "PIERIAN SPRING",
      "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": "hp1/pierian-spring/21",
      "property_url": "https://openproperties.uk/hp1/pierian-spring/21"
    }
  ],
  "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
    }
  ]
}