Thousands of households on heating oil have applied for a heat pump, taking advantage of the £9,000 Boiler Upgrade Scheme grant.
Source
https://www.gov.uk/government/news/record-number-of-heating-oil-households-apply-for-a-heat-pumpDocument officiel chez le régulateur. Citez toujours cette URL — et non la page de détail Vantage — dans les preuves de conformité.