{
 "id": "bus_cost_gshp_median",
 "name": "Ground source heat pump installed cost, median, Boiler Upgrade Scheme installs",
 "category": "heat_pump_cost",
 "value_num": 27232,
 "display": "£27,232",
 "unit": "median reported cost of a ground source heat pump installation with a Boiler Upgrade Scheme grant paid, England and Wales, VAT included, grant not taken off",
 "period_start": "2026-04-01",
 "period_end": "2026-06-30",
 "period_kind": "data",
 "deadline": null,
 "source_url": "https://www.gov.uk/government/statistics/boiler-upgrade-scheme-statistics-august-2026",
 "source_org": "DESNZ, Boiler Upgrade Scheme statistics August 2026, Table Q1.1A",
 "checked_at": "2026-10-02",
 "recheck_by": "2026-11-05",
 "history": [
  {
   "period": "1 January 2026 to 31 March 2026",
   "value_num": 27352,
   "display": "£27,352"
  },
  {
   "period": "1 April 2025 to 30 June 2025",
   "value_num": 23784,
   "display": "£23,784"
  }
 ],
 "public_note": "The same measure for ground source heat pumps: half cost less than this, half more, VAT in, grant counted in. Far fewer are fitted than air source, so this figure jumps about more from one quarter to the next.",
 "next": null,
 "url": "https://hearthsum.co.uk/api/bus_cost_gshp_median.json"
}