The business and energy secretary has insisted the government is working on fresh plans to decarbonise the UK’s building stock following last month’s decision to pull the plug on its Green Homes Grant voucher scheme. Kwasi Kwarteng told the Business, Energy and Industrial Strategy Committee on Tuesday (13 April) that he “wasn’t happy with the outcomes” when he decided to close the scheme to the new applicants at the end of March, giving just four days’ notice.