{
 "id": "eco4_end_date",
 "name": "ECO4 closing date",
 "category": "schemes",
 "value_num": null,
 "display": "31 December 2026",
 "unit": "last date for measures to be installed",
 "period_start": "2022-04-01",
 "period_end": "2026-12-31",
 "period_kind": "data",
 "deadline": "2026-12-31",
 "source_url": "https://www.ofgem.gov.uk/environmental-and-social-schemes/energy-company-obligation-eco",
 "source_org": "Ofgem",
 "checked_at": "2026-09-08",
 "recheck_by": "2026-10-08",
 "history": [
  {
   "period": "before SI 2026/361",
   "value_num": null,
   "display": "31 March 2026"
  }
 ],
 "public_note": "ECO4 closes to new installations on this date. If someone is telling you there is plenty of time, count the days on this page.",
 "next": null,
 "url": "https://hearthsum.co.uk/api/eco4_end_date.json"
}