{
  "ok": true,
  "free": true,
  "pack": {
    "product": "epc_pack",
    "query": "EC1",
    "resolved_postcode": "EC1M 6DD",
    "country": "England",
    "admin_district": "Islington",
    "generated_at": "2026-10-07T03:23:51.529Z",
    "cached": false,
    "tier": "free",
    "size": 5,
    "count": 1,
    "band_counts": {
      "D": 1
    },
    "certificates": [
      {
        "postcode": "EC1M 6DD",
        "local_authority": "Islington",
        "band": "D"
      }
    ],
    "errors": [],
    "sources": [
      "api.get-energy-performance-data.communities.gov.uk/api/domestic/search"
    ],
    "note": "Results are postcode-level and not a personal record."
  }
}