{
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  "district": "CARMARTHENSHIRE",
  "county": "CARMARTHENSHIRE",
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  "postcodes": [
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  "location_precision": "postcode_centroid",
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      "date_of_transfer": "2023-03-24",
      "postcode": "SA15 1SL",
      "property_type": "T",
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      "new_build": false,
      "duration": "F",
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      "paon": "21",
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      "street": "UPPER WILLIAM STREET",
      "locality": null,
      "town_city": "LLANELLI",
      "district": "CARMARTHENSHIRE",
      "county": "CARMARTHENSHIRE",
      "ppd_category_type": "B",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "sa15/upper-william-street/21",
      "property_url": "https://openproperties.uk/sa15/upper-william-street/21"
    },
    {
      "url": "https://openproperties.uk/sa15/upper-william-street/21/9c2cda27-4e7a-440e-945a-4e36675f1ba2",
      "transaction_id": "9C2CDA27-4E7A-440E-945A-4E36675F1BA2",
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      "date_of_transfer": "2015-06-19",
      "postcode": "SA15 1SL",
      "property_type": "T",
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      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "21",
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      "street": "UPPER WILLIAM STREET",
      "locality": null,
      "town_city": "LLANELLI",
      "district": "CARMARTHENSHIRE",
      "county": "CARMARTHENSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "sa15/upper-william-street/21",
      "property_url": "https://openproperties.uk/sa15/upper-william-street/21"
    },
    {
      "url": "https://openproperties.uk/sa15/upper-william-street/21/a294732c-e2c0-4ff9-8f99-ddbf6cc18f06",
      "transaction_id": "A294732C-E2C0-4FF9-8F99-DDBF6CC18F06",
      "price": 51500,
      "date_of_transfer": "2013-08-30",
      "postcode": "SA15 1SL",
      "property_type": "T",
      "property_type_display": "Terraced",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "21",
      "saon": null,
      "street": "UPPER WILLIAM STREET",
      "locality": null,
      "town_city": "LLANELLI",
      "district": "CARMARTHENSHIRE",
      "county": "CARMARTHENSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "sa15/upper-william-street/21",
      "property_url": "https://openproperties.uk/sa15/upper-william-street/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
    }
  ]
}