{
  "url": "https://openproperties.uk/hp1/pierian-spring/19",
  "address_path": "hp1/pierian-spring/19",
  "paon": "19",
  "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": "1996-07-05",
  "last_sale_date": "2020-02-04",
  "last_price": 440000,
  "truncated": false,
  "sales": [
    {
      "url": "https://openproperties.uk/hp1/pierian-spring/19/9ff0d969-c18d-11ed-e053-6c04a8c06383",
      "transaction_id": "9FF0D969-C18D-11ED-E053-6C04A8C06383",
      "price": 440000,
      "date_of_transfer": "2020-02-04",
      "postcode": "HP1 3JP",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "19",
      "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/19",
      "property_url": "https://openproperties.uk/hp1/pierian-spring/19"
    },
    {
      "url": "https://openproperties.uk/hp1/pierian-spring/19/36dbe18a-4e39-40a6-a698-28072e379cbf",
      "transaction_id": "36DBE18A-4E39-40A6-A698-28072E379CBF",
      "price": 144017,
      "date_of_transfer": "2009-06-12",
      "postcode": "HP1 3JP",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "19",
      "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/19",
      "property_url": "https://openproperties.uk/hp1/pierian-spring/19"
    },
    {
      "url": "https://openproperties.uk/hp1/pierian-spring/19/825be4e7-b426-484c-8017-7ad691b0fd08",
      "transaction_id": "825BE4E7-B426-484C-8017-7AD691B0FD08",
      "price": 290000,
      "date_of_transfer": "2006-11-30",
      "postcode": "HP1 3JP",
      "property_type": "D",
      "property_type_display": "Detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "19",
      "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/19",
      "property_url": "https://openproperties.uk/hp1/pierian-spring/19"
    },
    {
      "url": "https://openproperties.uk/hp1/pierian-spring/19/8307a13c-bf8a-4f2d-9c92-8dad2a1fbcb0",
      "transaction_id": "8307A13C-BF8A-4F2D-9C92-8DAD2A1FBCB0",
      "price": 142000,
      "date_of_transfer": "1998-03-25",
      "postcode": "HP1 3JP",
      "property_type": "D",
      "property_type_display": "Detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "19",
      "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/19",
      "property_url": "https://openproperties.uk/hp1/pierian-spring/19"
    },
    {
      "url": "https://openproperties.uk/hp1/pierian-spring/19/75d35b61-0248-412d-a87b-0106b2f62d66",
      "transaction_id": "75D35B61-0248-412D-A87B-0106B2F62D66",
      "price": 117950,
      "date_of_transfer": "1996-07-05",
      "postcode": "HP1 3JP",
      "property_type": "D",
      "property_type_display": "Detached",
      "new_build": true,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "19",
      "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/19",
      "property_url": "https://openproperties.uk/hp1/pierian-spring/19"
    }
  ],
  "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
    }
  ]
}