{
  "url": "https://openproperties.uk/sg2/chalkdown/49",
  "address_path": "sg2/chalkdown/49",
  "paon": "49",
  "saon": null,
  "street": "CHALKDOWN",
  "locality": null,
  "town_city": "STEVENAGE",
  "district": "STEVENAGE",
  "county": "HERTFORDSHIRE",
  "postcode": "SG2 7BG",
  "postcodes": [
    "SG2 7BG"
  ],
  "latitude": 51.910974067817264,
  "longitude": -0.15759765906082765,
  "location_precision": "postcode_centroid",
  "sale_count": 4,
  "first_sale_date": "1996-05-07",
  "last_sale_date": "2014-08-01",
  "last_price": 358000,
  "truncated": false,
  "sales": [
    {
      "url": "https://openproperties.uk/sg2/chalkdown/49/a90ea827-77d9-4f82-97ef-047500484450",
      "transaction_id": "A90EA827-77D9-4F82-97EF-047500484450",
      "price": 358000,
      "date_of_transfer": "2014-08-01",
      "postcode": "SG2 7BG",
      "property_type": "D",
      "property_type_display": "Detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "49",
      "saon": null,
      "street": "CHALKDOWN",
      "locality": null,
      "town_city": "STEVENAGE",
      "district": "STEVENAGE",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "sg2/chalkdown/49",
      "property_url": "https://openproperties.uk/sg2/chalkdown/49"
    },
    {
      "url": "https://openproperties.uk/sg2/chalkdown/49/6a59ad2a-ab93-47ea-9fca-641a29154422",
      "transaction_id": "6A59AD2A-AB93-47EA-9FCA-641A29154422",
      "price": 299995,
      "date_of_transfer": "2007-12-07",
      "postcode": "SG2 7BG",
      "property_type": "D",
      "property_type_display": "Detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "49",
      "saon": null,
      "street": "CHALKDOWN",
      "locality": "STEVENAGE",
      "town_city": "STEVENAGE",
      "district": "STEVENAGE",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "sg2/chalkdown/49",
      "property_url": "https://openproperties.uk/sg2/chalkdown/49"
    },
    {
      "url": "https://openproperties.uk/sg2/chalkdown/49/63632303-cf34-4766-a39e-c8e64f4f1536",
      "transaction_id": "63632303-CF34-4766-A39E-C8E64F4F1536",
      "price": 104000,
      "date_of_transfer": "1998-01-14",
      "postcode": "SG2 7BG",
      "property_type": "D",
      "property_type_display": "Detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "49",
      "saon": null,
      "street": "CHALKDOWN",
      "locality": "STEVENAGE",
      "town_city": "STEVENAGE",
      "district": "STEVENAGE",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "sg2/chalkdown/49",
      "property_url": "https://openproperties.uk/sg2/chalkdown/49"
    },
    {
      "url": "https://openproperties.uk/sg2/chalkdown/49/f4fa25ef-8aaf-416b-a8d7-e385336f5b2a",
      "transaction_id": "F4FA25EF-8AAF-416B-A8D7-E385336F5B2A",
      "price": 79000,
      "date_of_transfer": "1996-05-07",
      "postcode": "SG2 7BG",
      "property_type": "D",
      "property_type_display": "Detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "49",
      "saon": null,
      "street": "CHALKDOWN",
      "locality": "STEVENAGE",
      "town_city": "STEVENAGE",
      "district": "STEVENAGE",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "sg2/chalkdown/49",
      "property_url": "https://openproperties.uk/sg2/chalkdown/49"
    }
  ],
  "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
    }
  ]
}