Energy certificates lodged in an area

{
  "specversion": "1.0",
  "id": "evt_01M5EV0NM05SCCDP711Z5YWJ7A",
  "type": "property.energy_certificates_lodged",
  "source": "/sources/examples/property",
  "time": "2026-10-21T09:00:00Z",
  "observed_at": "2026-10-21T09:00:42Z",
  "dataschema": "https://schemas.worldsignals.dev/property.energy_certificates_lodged/1.json",
  "datacontenttype": "application/json",
  "visibility": "public",
  "country": "FR",
  "region": "FR-HDF",
  "place": {
    "locality": "Villeneuve-d'Ascq",
    "precision": "locality"
  },
  "subject": {
    "kind": "property",
    "name": "Homes in Villeneuve-d'Ascq (59)",
    "ids": {
      "fr_insee_commune": "59009"
    },
    "ws_id": "ent_01M5EV0NM0P6NK7QZSB2TP6ZPH"
  },
  "title": "Surge in home energy certificates in Villeneuve-d'Ascq (59): 110 in the week of 12 Oct 2026, 3.84× usual",
  "summary": "9% rated F or G. A typical week has about 29.",
  "lang": "fr",
  "data": {
    "time_precision": "week",
    "period_start": "2026-10-12",
    "period_end": "2026-10-18",
    "area": {
      "kind": "commune",
      "code": "59009",
      "name": "Villeneuve-d'Ascq"
    },
    "certificates": 110,
    "houses": 12,
    "flats": 98,
    "new_dwellings": 6,
    "ratings": {
      "A": 2,
      "B": 9,
      "C": 41,
      "D": 35,
      "E": 13,
      "F": 7,
      "G": 3
    },
    "share_f_or_g": 0.09,
    "typical_week": 27.4,
    "expected": 28.7,
    "ratio": 3.84,
    "baseline_weeks": 8,
    "surge": true,
    "threshold": {
      "min_certificates": 20,
      "ratio": 2
    },
    "department": "59"
  },
  "provenance": {
    "source_id": "example",
    "source_name": "Example data",
    "url": "https://example.com/worldsignals/property.energy_certificates_lodged",
    "licence": "Example only, not a real record",
    "method": "example"
  },
  "confidence": 0.95,
  "personal_data": false,
  "revision": 1,
  "tags": [
    "example",
    "energy_certificate",
    "housing",
    "surge"
  ]
}