{
 "id": "mcs_average_solar_install_cost",
 "name": "Average cost of a home solar PV installation",
 "category": "costs",
 "value_num": 7000,
 "display": "Just over £7,000",
 "unit": "pounds per whole installation, all system sizes",
 "period_start": "2025-01-01",
 "period_end": "2025-12-31",
 "period_kind": "data",
 "deadline": null,
 "source_url": "https://mcscertified.com/consumers/technologies/solar-photovoltaic-pv/",
 "source_org": "MCS",
 "checked_at": "2026-09-08",
 "recheck_by": "2026-12-08",
 "history": [],
 "public_note": "The average price actually paid for a home installation last year, across all sizes. Down about £500 on the year before.",
 "next": null,
 "url": "https://hearthsum.co.uk/api/mcs_average_solar_install_cost.json"
}